master..4fcb510 · project-m36

.github/workflows/ci.yaml+21−61

since splitsnapshots

unifiedsplit

@@ -6,64 +6,24 @@ jobs:

6 dockerimage:

7 runs-on: ubuntu-latest

8 steps:

9− - uses: actions/checkout@v2.3.1

9+ - uses: actions/checkout@v2.3.1

10− - uses: cachix/install-nix-action@v12

10+ - uses: cachix/install-nix-action@v12

11− with:

11+ with:

12− nix_path: nixpkgs=channel:nixos-unstable

12+ nix_path: nixpkgs=channel:nixos-unstable

13− - uses: cachix/cachix-action@v8

13+ - uses: cachix/cachix-action@v8

14− with:

14+ with:

15− name: project-m36

15+ name: project-m36

16− signingKey: "${{ secrets.CACHIX_SIGNING_KEY }}"

16+ signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'

17− - run: cachix use iohk

17+ - run: cachix use iohk

18− - name: docker load

18+ - name: docker load

19− run: docker load < $(nix-build docker.nix)

19+ run: docker load < $(nix-build docker.nix)

20− - name: docker login

20+ - name: docker login

21− if: ${{ github.ref == 'refs/heads/master' }}

22− run: echo ${{secrets.DOCKERHUB_PASSWORD}} | docker login --username ${{secrets.DOCKERHUB_USER}} --password-stdin

21+ run: echo ${{secrets.DOCKERHUB_PASSWORD}} | docker login --username ${{secrets.DOCKERHUB_USER}} --password-stdin

23− - name: docker tag with version

22+ - name: docker tag with version

24− run: docker tag project-m36:latest projectm36/project-m36:$(awk '/^Version:/ {print $2}' project-m36.cabal)

23+ run: docker tag project-m36:latest projectm36/project-m36:$(awk '/^Version:/ {print $2}' project-m36.cabal)

25− if: ${{ github.ref == 'refs/heads/master' }}

24+ if: ${{ github.ref == 'refs/heads/master' }}

26− - name: docker tag latest

25+ - name: docker tag latest

27− run: docker tag project-m36:latest projectm36/project-m36:latest

26+ run: docker tag project-m36:latest projectm36/project-m36:latest

28− if: ${{ github.ref == 'refs/heads/master' }}

27+ if: ${{ github.ref == 'refs/heads/master' }}

29− - run: docker push projectm36/project-m36

28+ - run: docker push projectm36/project-m36

30− if: ${{ github.ref == 'refs/heads/master' }}

29+ if: ${{ github.ref == 'refs/heads/master' }}

31−

32− stack-build:

33− runs-on: ${{ matrix.os }}

34− strategy:

35− matrix:

36− os: [ubuntu-latest]

37− ghc:

38− - ghc8.10

39− - ghc8.8

40− - ghc8.6

41− include:

42− - os: macos-latest

43− ghc: ghc8.10

44− env:

45− STACK_YAML: stack.${{ matrix.ghc }}.yaml

46− steps:

47− - uses: actions/checkout@v2

48− - name: Cache

49− uses: actions/cache@v1

50− with:

51− path: ~/.stack

52− key: ${{ runner.os }}-build-stack-${{ matrix.ghc }}-${{ hashFiles(env.STACK_YAML) }}-${{ hashFiles('**/*.cabal') }}

53− restore-keys: |

54− ${{ runner.os }}-build-stack-${{ matrix.ghc }}-${{ hashFiles(env.STACK_YAML) }}

55− ${{ runner.os }}-build-stack-${{ matrix.ghc }}

56− - name: Fix macOS cache bug

57− run: rm -rf ~/.stack/setup-exe-cache

58− - name: Build

59− run: stack build --ghc-options -O2 --local-bin-path out --copy-bins

60− - name: Test

61− run: stack test --stack-yaml=${{ env.STACK_YAML }}

62− - name: HLint

63− run: curl -sSL https://raw.github.com/ndmitchell/hlint/master/misc/run.sh | sh -s .

64− - name: Haddock

65− run: stack --no-install-ghc --system-ghc --no-haddock-deps haddock

66− - uses: actions/upload-artifact@v2

67− with:

68− name: project-m36-${{ matrix.os }}-${{ matrix.ghc }}

69− path: out/

.gitignore−1

@@ -20,4 +20,3 @@ jupyter/build

20juyter/dist

21.ipynb_checkpoints

22project-m36.nix

23−stack.yaml

.travis.ymlnew file+60

@@ -0,0 +1,60 @@

1+# For more information, see https://github.com/ChrisPenner/haskell-stack-travis-ci

2+language: c

3+sudo: false

4+

5+git:

6+ submodules: false # whether to recursively clone submodules

7+

8+cache:

9+ directories:

10+ - $HOME/.ghc

11+ - $HOME/.cabal

12+ - $HOME/.stack

13+ - .stack-work

14+ timeout: 1000

15+

16+matrix:

17+ fast_finish: true

18+ include:

19+ - env: CACHE_NAME=8.8.4 STACK_YAML=stack.ghc8.8.yaml

20+ compiler: ": #stack 8.8.4"

21+

22+ - env: CACHE_NAME=8.6.5 STACK_YAML=stack.ghc8.6.yaml

23+ compiler: ": #stack 8.6.5"

24+

25+ - env: CACHE_NAME=osx-8.6.5 STACK_YAML=stack.ghc8.6.yaml

26+ os: osx

27+ osx_image: xcode11

28+ compiler: ": #stack 8.6.5"

29+

30+before_script:

31+ - unset CC

32+ - export PATH=$HOME/.local/bin:/opt/ghc/$GHC_VERSION/bin:$PATH

33+ - ./.travis/install-ghr.sh

34+ - ./.travis/install-stack.sh

35+

36+# Here starts the actual work to be performed for the package under test;

37+# any command which exits with a non-zero exit code causes the build to fail.

38+script:

39+ - |

40+ # Run tests

41+ set -e

42+ ./.travis/install-dependencies.sh

43+ stack --no-terminal --jobs=2 --system-ghc test

44+ - |

45+ #Run HLint

46+ if [[ "$(uname)" = "Linux" ]]; then

47+ curl -sL https://raw.github.com/ndmitchell/hlint/master/misc/travis.sh | sh -s lint src test examples --cpp-define VERSION_project_m36=HLINT

48+ fi

49+ - |

50+ #Run Haddock

51+ if [[ "$(uname)" = "Linux" ]]; then

52+ stack --no-install-ghc --system-ghc --no-haddock-deps haddock

53+ fi

54+

55+after_success:

56+ - |

57+ # Build and ship binary

58+ #./.travis/attach-binary.sh

59+

60+# EOF

.travis/attach-binary.shnew file+25

@@ -0,0 +1,25 @@

1+#!/bin/sh

2+set -o errexit -o verbose

3+

4+if test ! "$BUILD_BINARY" || test ! "$TRAVIS_TAG"

5+then

6+ echo 'This is not a release build.'

7+elif test ! "$GITHUB_TOKEN"

8+then

9+ echo 'The GITHUB_TOKEN environment variable is not set!'

10+ exit 1

11+else

12+ echo "Building binary for $TRAVIS_OS_NAME to $TRAVIS_TAG..."

13+ stack build --ghc-options -O2 --pedantic

14+ echo "Attaching binary for $TRAVIS_OS_NAME to $TRAVIS_TAG..."

15+ OWNER="$(echo "$TRAVIS_REPO_SLUG" | cut -f1 -d/)"

16+ REPO="$(echo "$TRAVIS_REPO_SLUG" | cut -f2 -d/)"

17+ BIN="$(stack path --local-install-root)/bin/$REPO"

18+ BUNDLE_NAME="$REPO-$TRAVIS_TAG-$TRAVIS_OS_NAME.tar.gz"

19+ cp "$BIN" "./$REPO"

20+ chmod +x "./$REPO"

21+ tar -czf "$BUNDLE_NAME" "$REPO"

22+ echo "SHA256:"

23+ shasum -a 256 "$BUNDLE_NAME"

24+ ghr -t "$GITHUB_TOKEN" -u "$OWNER" -r "$REPO" --replace "$(git describe --tags)" "$BUNDLE_NAME"

25+fi

.travis/install-dependencies.shnew file+22

@@ -0,0 +1,22 @@

1+# Run tests

2+if [[ "$(uname)" = "Darwin" ]]; then

3+ timeout_cmd="gtimeout"

4+else

5+ timeout_cmd="timeout"

6+fi

7+$timeout_cmd 40m stack --no-terminal --jobs=2 --install-ghc --system-ghc build --only-dependencies --fast

8+ret=$?

9+case "$ret" in

10+ 0)

11+ # continue

12+ ;;

13+ 124)

14+ echo "Timed out while installing dependencies."

15+ echo "Try building again by pushing a new commit."

16+ exit 1

17+ ;;

18+ *)

19+ echo "Failed to install dependencies; stack exited with $ret"

20+ exit "$ret"

21+ ;;

22+esac

.travis/install-ghc.shnew file+16

@@ -0,0 +1,16 @@

1+#!/bin/sh

2+set -eux

3+#assume stack is installed

4+STACK=~/.local/bin/stack

5+

6+fetch_ghc_osx() {

7+ echo "Using stack to install GHC $GHC_VERSION"

8+ $STACK setup $GHC_VERSION

9+}

10+

11+if [ "$(uname)" = "Darwin" ]; then

12+ fetch_ghc_osx

13+else

14+ #installed by apt

15+ echo "Linux GHC $GHC_VERSION via APT already installed."

16+fi

.travis/install-ghr.shnew file+21

@@ -0,0 +1,21 @@

1+#!/bin/sh

2+set -o errexit -o verbose

3+

4+if test ! "$BUILD_BINARY" || test ! "$TRAVIS_TAG"

5+then

6+ echo 'This is not a release build.'

7+else

8+ if [ "$TRAVIS_OS_NAME" = "linux" ]

9+ then

10+ ARCH="linux"

11+ else

12+ ARCH="darwin"

13+ fi

14+ echo "Installing ghr"

15+ URL="https://github.com/tcnksm/ghr/releases/download/v0.5.4/ghr_v0.5.4_${ARCH}_386.zip"

16+ curl -L ${URL} > ghr.zip

17+ mkdir -p "$HOME/bin"

18+ export PATH="$HOME/bin:$PATH"

19+ unzip ghr.zip -d "$HOME/bin"

20+ rm ghr.zip

21+fi

.travis/install-stack.shnew file+27

@@ -0,0 +1,27 @@

1+#!/bin/sh

2+

3+# Adapted from https://github.com/commercialhaskell/stack

4+

5+set -eux

6+

7+travis_retry() {

8+ cmd=$*

9+ $cmd || (sleep 2 && $cmd) || (sleep 10 && $cmd)

10+}

11+

12+fetch_stack_osx() {

13+ curl -skL https://get.haskellstack.org/stable/osx-x86_64.tar.gz | tar xz --strip-components=1 --include '*/stack' -C ~/.local/bin;

14+}

15+

16+fetch_stack_linux() {

17+ curl -sL https://get.haskellstack.org/stable/linux-x86_64.tar.gz | tar xz --wildcards --strip-components=1 -C ~/.local/bin '*/stack';

18+}

19+

20+# We need stack to generate cabal files with precise bounds, even for cabal

21+# builds.

22+mkdir -p ~/.local/bin;

23+if [ "$(uname)" = "Darwin" ]; then

24+ travis_retry fetch_stack_osx

25+else

26+ travis_retry fetch_stack_linux

27+fi

Changelog.markdown−4

@@ -1,7 +1,3 @@

1−# 2021-04-01 (v0.9.3)

2−

3−* add new ":importtutd <URI> <SHA256 hash>" feature to import TutorialD from a local file or a HTTP/HTTPS URI

4−

5# 2020-12-27 (v0.9.0)

1# 2020-12-27 (v0.9.0)

6

2

7* replace unmaintained distributed-process-client-server RPC package with new curryer RPC package

3* replace unmaintained distributed-process-client-server RPC package with new curryer RPC package

README.markdown+2−1

@@ -4,6 +4,7 @@

4[![Public Domain](https://img.shields.io/badge/license-Public%20Domain-brightgreen.svg)](http://unlicense.org)

5[![Hackage](https://img.shields.io/hackage/v/project-m36.svg)](http://hackage.haskell.org/package/project-m36)

6[![Hackage dependency status](https://img.shields.io/hackage-deps/v/project-m36.svg)](http://packdeps.haskellers.com/feed?needle=project-m36)

7+[![Build status](https://travis-ci.org/agentm/project-m36.svg?branch=master)](https://travis-ci.org/agentm/project-m36)

7[![Windows Build status](https://ci.appveyor.com/api/projects/status/q7jyddd6dy1ibqdo/branch/master?svg=true)](https://ci.appveyor.com/project/agentm/project-m36)

8[![Windows Build status](https://ci.appveyor.com/api/projects/status/q7jyddd6dy1ibqdo/branch/master?svg=true)](https://ci.appveyor.com/project/agentm/project-m36)

8[![Github Workflow status](https://github.com/agentm/project-m36/workflows/CI/badge.svg)](https://github.com/agentm/project-m36/actions?query=workflow%3ACI)

9[![Github Workflow status](https://github.com/agentm/project-m36/workflows/CI/badge.svg)](https://github.com/agentm/project-m36/actions?query=workflow%3ACI)

9

10

@@ -44,7 +45,7 @@ Project:M36 supports multiple frontends which target different audiences.

44

45

45* [Developer's Blog](https://agentm.github.io/project-m36/)

46* [Developer's Blog](https://agentm.github.io/project-m36/)

46* [Mailing List/Discussion Group](https://groups.google.com/d/forum/project-m36)

47* [Mailing List/Discussion Group](https://groups.google.com/d/forum/project-m36)

47−* IRC Channel: irc.libera.chat #project-m36 -- [Chat via Web Client](http://kiwiirc.com/nextclient/irc.libera.chat:+6697/#project-m36)

48+* IRC Channel: chat.freenode.net #project-m36

48* [Hackage](https://hackage.haskell.org/package/project-m36)

49* [Hackage](https://hackage.haskell.org/package/project-m36)

49* [Diogo Biazus' Project:M36 Video Tutorial](https://www.youtube.com/watch?v=_GC_lxlVEnE)

50* [Diogo Biazus' Project:M36 Video Tutorial](https://www.youtube.com/watch?v=_GC_lxlVEnE)

50

51

cabal.project−3

@@ -1,8 +1,5 @@

1packages: project-m36.cabal

2

3−package *

4− split-sections: True

5−

6--high-performance streaming library

3--high-performance streaming library

7source-repository-package

4source-repository-package

8 type: git

5 type: git

docker.nix+11−16

@@ -1,18 +1,13 @@

1−{ compiler ? "ghc8104"

2−, sources ? import ./nix/sources.nix

1+{ pkgs ? import ./pkgs.nix }:

3−, pkgs ? import sources.nixpkgs { }

4−}:

5let

2let

6− release = import ./release.nix { inherit pkgs compiler sources; };

3+ release = import ./release.nix { inherit pkgs; };

7− static-project-m36 = pkgs.haskell.lib.dontCheck (pkgs.haskell.lib.justStaticExecutables release.project);

4+ static-project-m36 = pkgs.haskell.lib.justStaticExecutables release.project;

8in

5in

9−pkgs.dockerTools.buildImage {

6+ pkgs.dockerTools.buildImage {

10− name = "project-m36";

7+ name = "project-m36";

11− tag = "latest";

8+ tag = "latest";

12− contents = [ static-project-m36 ];

9+ contents = [static-project-m36];

13− # expose default project-m36 and websocket server ports

10+ #expose default project-m36 and websocket server ports

14− config = {

15− Env = [ "LC_ALL=en_US.UTF-8" ];

11+ config = { Env = ["LC_ALL=en_US.UTF-8"];

16− ExposedPorts = { "6543/tcp" = { }; "8000/tcp" = { }; };

12+ ExposedPorts = { "6543/tcp" = {}; "8000/tcp" = {}; }; };

17− };

18−}

13+ }

docs/15_minute_tutorial.markdown+1−1

@@ -28,7 +28,7 @@ Note that TutorialD is strongly-typed- no type coercions take place automaticall

28### Load the Canonical Chris Date Example

29

30```

31−TutorialD (master/main): :importexample cjdate

31+TutorialD (master/main): :importexample date

32```

33

34```:importexample``` (do not skip typing the preceding colon), loads a built-in example schema and executes it to change the state of the database. In this case, the relations "s" (supplier), "p" (product), and "sp" (suppliers-products) are now loaded.

docs/import_export_csv.markdown+2−2

@@ -9,7 +9,7 @@ If a relation variable cannot be exported due to data types which are not suppor

9### Example Export

10

11```

12−TutorialD (master/main): :importexample cjdate

12+TutorialD (master/main): :importexample date

13TutorialD (master/main): :exportcsv s "/tmp/csv"

14```

15```

@@ -37,7 +37,7 @@ s#,sname,status,city

37S6,Samson,100,New York

38```

39```

40−TutorialD (master/main): :importexample cjdate

40+TutorialD (master/main): :importexample date

41TutorialD (master/main): :showexpr s

42┌──────────┬────────┬───────────┬───────────────┐

43│city::Text│s#::Text│sname::Text│status::Integer│

docs/introduction_to_the_relational_algebra.markdown+1−1

@@ -202,7 +202,7 @@ Join (Instructor relation)

202

203(Course Relation)

204

205−|(Course Name, Course Name Type)|(Instructor Name, Instructor Name Type)|(Course Room Number, Room Number Type)|

205+|(Course Name, Course Name Type)|(Instructor, Instructor Name Type)|(Course Room Number, Room Number Type)|

206|-------------------------------|----------------------------------|--------------------------------------|

207|English 1|Steve|Room 104|

208|French 2|Bob|Room 103|

docs/reaching_out_of_the_tarpit.markdown+1−1

@@ -57,7 +57,7 @@ Project:M36 implements multiple interfaces:

57To understand how Project:M36 stacks up against the fictional programming language shown in the paper, we have implemented the [example from the paper](/examples/out_of_the_tarpit.tutd). The language used in the script is a dialect of Chris Date's TutorialD language. It can be loaded into an interactive ```tutd``` session like so:

58

59```

60−TutorialD (master/main): :importexample cjdate

60+TutorialD (master/main): :importexample date

61TutorialD (master/main): :showexpr p

62┌───────────────────┬────────────┬───────────────────┬────────────┬────────────┐

63│address::Address │agent::Agent│dateRegistered::Day│photo::Text │price::Price│

docs/tutd_cheatsheet.markdown+1−3

@@ -47,9 +47,7 @@ Database context expressions take the current database context as input and alte

47

48|Database Context Expression |Description |

49|------------------------------------------------------|---------------------------------------|

50−|`:importexample cjdate`|Imports a precooked schema from Chris Date's books resulting in relvars `s`, `sp`, and `p`|

50+|`:importexample date`|Imports a precooked schema from Chris Date's books resulting in relvars `s`, `sp`, and `p`|

51−|`:importtutd "file:///home/agentm/project-m36/scripts/emp.tutd"`|Imports TutorialD from file URI|

52−|`:importtutd "https://raw.githubusercontent.com/agentm/project-m36/master/scripts/emp.tutd" "effe32b247586dc3ac0079fc241b9618d41d189afcaeb7907edbe5a8b45992a4"`| Imports TutorialD from HTTP or HTTPS URI|

53|`newrelvar:=relation{tuple{age 3}}`|Assign a new relation variable named `newrelvar`|

51|`newrelvar:=relation{tuple{age 3}}`|Assign a new relation variable named `newrelvar`|

54|`undefine s`|Remove a relation variable|

52|`undefine s`|Remove a relation variable|

55|`insert s relation{tuple{city "Boston",s# "S10",sname "Gonzalez",status 10}}`| Append to an existing relation variable with another relational expression|

53|`insert s relation{tuple{city "Boston",s# "S10",sname "Gonzalez",status 10}}`| Append to an existing relation variable with another relational expression|

docs/tutd_tutorial.markdown+1−19

@@ -19,7 +19,7 @@ TutorialD (master/main):

19The examples in this tutorial can be executed after loading Chris Date's sample relations using:

20

21```

22−:importexample cjdate

22+:importexample date

23```

24

25Each section assumes a fresh instance of the Date examples. The relation variables created in the script are:

@@ -30,24 +30,6 @@ Each section assumes a fresh instance of the Date examples. The relation variabl

30|p|parts|

31|sp|contains mapping of which suppliers supply which parts|

32

33−### Importing TutorialD from Other Sources

34−

35−The `tutd` console can also run TutorialD from a local file or from a web server.

36−

37−To import TutorialD from a file:

38−

39−```

40−:importtutd "file:///home/agentm/project-m36/scripts/emp.tutd"

41−```

42−

43−or from a web server:

44−

45−```

46−:importtutd "https://raw.githubusercontent.com/agentm/project-m36/master/scripts/DateExamples.tutd" "db9f3d9fe06d0a29b8355e045b89ec94d6428e3a3de93def7ca77bf0298b7010"

47−```

48−

49−The second argument is an optional SHA256 hash in hexadecimal form. This can be used to validate that the script has not changed since the last import. Importing TutorialD from the web is in general safe because it is effectively sandboxed with "Safe Haskell" for functions, so the script is contained security-wise, however, nothing prevents the script from running forever. Downloading a schema from the web is a great way to share schemas and to kick start your project without starting from scratch.

50−

51### Types

33### Types

52

34

53TutorialD is strongly-typed. The basic built-in types are:

35TutorialD is strongly-typed. The basic built-in types are:

examples/Plantfarm.hsdeleted−446

@@ -1,446 +0,0 @@

1−{-# LANGUAGE DeriveGeneric #-}

2−

3−{-# LANGUAGE OverloadedStrings #-}

4−

5−{-# LANGUAGE DeriveAnyClass #-}

6−

7−{-# LANGUAGE DerivingVia #-}

8−

9−

10−import Codec.Winery (Serialise, WineryVariant(WineryVariant))

11−import Control.DeepSeq (NFData)

12−import Data.Aeson (FromJSON, ToJSON(toEncoding, toJSON))

13−import Data.Data (Proxy(Proxy))

14−import Data.Either (lefts, rights)

15−import Data.Functor (($>))

16−import Data.Text as T (Text)

17−import qualified Data.Text.Lazy as TL (pack)

18−import GHC.Generics (Generic)

19−import qualified ProjectM36.Base as Base

20−import ProjectM36.Client

21− ( AtomExprBase(NakedAtomExpr)

22− , Atomable(toAddTypeExpr, toAtom)

23− , AttributeName

24− , Connection

25− , ConnectionInfo(InProcessConnectionInfo)

26− , DatabaseContextExpr

27− , DatabaseContextExprBase(Delete)

28− , PersistenceStrategy(NoPersistence)

29− , RelationalError

30− , RelationalExprBase(RelationVariable, Restrict)

31− , RestrictionPredicateExprBase(AttributeEqualityPredicate)

32− , SessionId

33− , close

34− , commit

35− , connectProjectM36

36− , createSessionAtHead

37− , databaseContextExprForUniqueKey

38− , defaultHeadName

39− , emptyNotificationCallback

40− , executeDatabaseContextExpr

41− , executeRelationalExpr

42− , withTransaction

43− )

44−import qualified ProjectM36.Relation as Relation

45−import ProjectM36.Tupleable

46− ( Tupleable(fromTuple)

47− , toDefineExpr

48− , toDeleteExpr

49− , toInsertExpr

50− , toUpdateExpr

51− )

52−import qualified System.Random as R

53−

54−

55−import Control.Monad.IO.Class (MonadIO(liftIO))

56−import qualified Web.Scotty as S

57−

58−-- | This is an example showcasing the updating of data

59−-- with the help of plants. \\

60−-- This is a very simple example and of course not how

61−-- plants grow in nature. \\

62−-- The main goal of this example is to showcase the updating

63−-- of data and the different options of persistence.

64−-- You can just pipe the output from curl into jq:

65−--

66−-- curl -X POST -H 'Accept: application/json' http://localhost:8001/plant/water/angu | jq -r '.stage'

67−

68−

69−data Stage = Seed | Sprout | Seedling | Adult | Dead

70− deriving (Show, Eq, Ord, Generic, NFData, Atomable)

71− deriving Serialise via WineryVariant Stage

72−

73−

74−instance ToJSON Stage where -- The where can be removed and the implementation commented out

75− -- if the ascii values are not wanted

76− toJSON s = toJSON $ show s <> "\nascii only provided for visualisation:\n" <> stagetoAscii s

77−

78− toEncoding s = toEncoding $ show s <> "\nascii only provided for visualisation:\n" <> stagetoAscii s

79−

80−instance FromJSON Stage

81−

82−instance S.Parsable Stage where

83− parseParam t

84− | t == "seed" || t == "Seed" = Right Seed

85− | t == "sprout" || t == "Sprout" = Right Sprout

86− | t == "seedling" || t == "Seedling" = Right Seedling

87− | t == "adult" || t == "Adult" = Right Adult

88− | t == "dead" || t == "Dead" = Right Dead

89− | otherwise = Left t

90−

91−

92−-- Just for ToJSON for ilustration of stage

93−type ASCIIStage = String

94−

95−seedStr :: ASCIIStage

96−seedStr = "<>\n\

97− \'''\n"

98−sproutStr :: ASCIIStage

99−sproutStr = " ..\n\

100− \<|>\n\

101− \''''\n"

102−seedlingStr :: ASCIIStage

103−seedlingStr = " `\\⁄o \n\

104− \ v|/\n\

105− \'´;'''\n"

106−adultStr :: ASCIIStage

107−adultStr = "*~(#)~\n\

108− \ \\,Y,e\n\

109− \ \\|/\n\

110− \''+'\\''\n"

111−deadStr :: ASCIIStage

112−deadStr = " ,__:<\n\

113− \'/'''''\n"

114−

115−-- Just used for ToJSON illustration of stages

116−stagetoAscii :: Stage -> ASCIIStage

117−stagetoAscii Seed = seedStr

118−stagetoAscii Sprout = sproutStr

119−stagetoAscii Seedling = seedlingStr

120−stagetoAscii Adult = adultStr

121−stagetoAscii Dead = deadStr

122−

123−-- used for update stage

124−next :: Stage -> Stage

125−next Seed = Sprout

126−next Sprout = Seedling

127−next Seedling = Adult

128−next s = s

129−

130−data Plant = Plant { name :: Text, species :: Text, stage :: Stage, waterings:: Integer } deriving (Show, Generic)

131−instance Tupleable Plant

132−instance ToJSON Plant

133−instance FromJSON Plant

134−

135−

136−main :: IO ()

137−main = do

138− putStrLn "Connecting to plant farm"

139− c <- dbConnection

140− _ <- createSchema c

141− putStrLn "Planting some plants"

142− _ <- insertSampleData c

143− let port = 8001

144− putStrLn $ "Started Plant farm at " <> show port

145− S.scotty port $ do

146−

147− -- retrieve a plant by name

148− S.get "/plant/:name" $ do

149− n <- S.param "name"

150− e <- liftIO $ getPlant c n

151− p <- handleWebError e

152− S.json p

153−

154−

155− -- save a plant providing it as json data

156− S.post "/plant" $ do

157− pl <- S.jsonData :: S.ActionM Plant

158− e <- liftIO $ savePlant c [pl]

159− p <- handleWebError e

160− S.json p

161−

162− -- updating a plant providing it as json data

163− S.put "/plant" $ do

164− pl <- S.jsonData :: S.ActionM Plant

165− e <- liftIO $ updatePlantFst c pl

166− p <- handleWebError e

167− S.json p

168−

169− -- watering the plant having the provided name.

170− -- This will water the plant and might let it progress to the next stage. It might also die.

171− S.post "/plant/water/:name" $ do

172− n <- S.param "name"

173− e <- liftIO $ waterPlant c n

174− p <- handleWebError e

175− S.json p

176−

177− -- retriving all the plants as json data

178− S.get "/plants" $ do

179− e <- liftIO $ getAllPlants c

180− ps <- handleWebErrors e

181− S.json ps

182−

183− -- saving many plants at the same time

184− S.post "/plants" $ do

185− pl <- S.jsonData :: S.ActionM [Plant]

186− e <- liftIO $ savePlant c pl

187− p <- handleWebError e

188− S.json p

189−

190− -- deleting all plants at a specific stage

191− S.delete "/plants?stage=:stage" $ do

192− s <- S.param "stage"

193− e <- liftIO $ deletePlantsByStage c s

194− p <- handleWebError e

195− S.json p

196−

197− -- deleting all plants at a specific stage

198− S.delete "/plants" $ do

199− s <- S.param "name"

200− e <- liftIO $ deletePlantByName c s

201− p <- handleWebError e

202− S.json p

203−

204− -- deleting all dead plants

205− S.delete "/plants/clear" $ do

206− e <- liftIO $ clearDeadPlants c

207− ps <- handleWebErrors e

208− S.json ps

209−

210−handleWebError :: Either Err b -> S.ActionM b

211−handleWebError (Left e) = S.raise (TL.pack $ "An error occurred:\n" <> show e)

212−handleWebError (Right v) = pure v

213−

214−handleWebErrors :: [Either Err b] -> S.ActionM [b]

215−handleWebErrors e = do

216− case lefts e of

217− [] -> pure (rights e)

218− l -> S.raise (TL.pack $ "Errors occurred:\n" <> concatMap ((<>"\n") . show) l)

219−

220−

221−-- | watering a plant and thereby possibly updating its stage

222−waterPlant :: DBConnection -> Text -> IO (Either Err Plant)

223−waterPlant db n = do

224− p <- getPlant db n

225− case p of

226− Left e -> pure $ Left e

227− Right v -> updateStage db $ v { waterings = waterings v + 1 }

228−

229−-- | used by 'waterPlant' updates the stage depending on random numbers

230−updateStage :: DBConnection -> Plant -> IO (Either Err Plant)

231−updateStage db p@(Plant _ _ Dead _ ) = do

232− tmp <- updatePlantFst db p

233− case tmp of

234− Left e -> pure $ Left e

235− Right _ -> pure $ Right p

236−updateStage db p = do

237− res <- calculateStage p

238− tmp <- updatePlantFst db res

239− case tmp of

240− Left e -> pure $ Left e

241− Right _ -> pure $ Right res

242− where calculateStage p' = do

243− r1 <- R.randomRIO (1, 10) :: IO Integer

244− let np = if r1 < waterings p' then p' { stage = next $ stage p', waterings = 0 } else p'

245− r2 <- R.randomRIO (1, 20)

246− pure $ if r2 < waterings np then np { stage = Dead, waterings = 0 } else np

247−

248−-- | deletes all plants with Stage = Dead

249−clearDeadPlants :: DBConnection -> IO [Either Err Plant]

250−clearDeadPlants db = do

251− _ <- deletePlantsByStage db Dead

252− getAllPlants db

253−

254−

255−-- ****************************

256−-- | *Database functions* :

257−-- ****************************

258−

259−

260−-- | Error type for passing. It is not very specific.

261−-- Just minimal and non optimal for this example.

262−data Err = NotSpecified | NotFound deriving (Show ,Generic)

263−

264−instance ToJSON Err

265−

266−-- | Just for convinience for passing around the SessionId

267−-- and the Connection

268−data DBConnection = DB SessionId Connection

269−

270−

271−-- | Getting plants by their name.\

272−-- Because plant has name as primary key \

273−-- we can assume will get at most one result. \

274−-- Alternatively we could return a list.

275−getPlant :: DBConnection -> Text -> IO (Either Err Plant)

276−getPlant db n = defaultHead (Left NotFound) <$> (

277− get db

278− ( Restrict -- Restrict can be thought of as similar to "WITH" in SQL

279− (AttributeEqualityPredicate "name" (NakedAtomExpr (toAtom n))) -- This is the Predicate we are "restricting" our RelationalExprBase with

280− (RelationVariable "plants" ())

281− )

282− :: IO [Either Err Plant] -- this is needed because our 'get' function is

283− )

284−

285−defaultHead :: a -> [a] -> a

286−defaultHead d [] = d

287−defaultHead _ (x:_) = x

288−

289−-- | Getting all the plants

290−getAllPlants :: DBConnection -> IO [Either Err Plant]

291−getAllPlants db = get db (RelationVariable "plants" ())

292−

293−-- | Getting all the plants that satisfy the restrictions

294−getAllPlantsWith :: DBConnection -> Base.RestrictionPredicateExpr -> IO [Either Err Plant]

295−getAllPlantsWith db ex = get db (Restrict ex (RelationVariable "plants" ()))

296−

297−

298−-- | Saving a plant

299−savePlant :: (Traversable t) => DBConnection -> t Plant -> IO (Either Err ())

300−savePlant db sps = insert db sps "plants"

301−

302−-- | An alternative to update alone because due to updates

303−-- not being cached yet \

304−-- they have to be calculated every update. \

305−-- This seems like an alternative until caching is implemented.

306−updatePlantFst :: DBConnection -> Plant -> IO (Either Err ())

307−updatePlantFst db pln = do

308− _ <- delete db pln ["name"] "plants"

309− savePlant db [pln]

310−

311−-- | Updating a plant. Due to the way project 36 works, \

312−-- updates have to be executed every time.\

313−-- This is slow but won't be an issue soon because they will

314−-- be cached.\

315−-- But because of this project 36 can provide O(1) commits.

316−updatePlant :: DBConnection -> Plant -> IO (Either Err ())

317−updatePlant db sps = update

318− db -- db connection

319− sps -- plant value

320− ["name"] -- the attributes to be updated by (in case of unique key)

321− "plants" -- the relation we want to update on

322−

323−

324−-- | deleting all plants that have given name.

325−deletePlantByName :: DBConnection -> Text -> IO (Either Err ())

326−deletePlantByName db s = executeWithTransaction db $ Right $ Delete "plants" $ AttributeEqualityPredicate "name" (NakedAtomExpr (toAtom s))

327−

328−-- | deleting all plants that have given stage.

329−deletePlantsByStage :: DBConnection -> Stage -> IO (Either Err ())

330−deletePlantsByStage db s = executeWithTransaction db $ Right $ Delete "plants" $ AttributeEqualityPredicate "stage" (NakedAtomExpr (toAtom s))

331−

332−

333−-- | Inserting the schema into the DB

334−createSchema :: DBConnection -> IO ()

335−createSchema (DB sessionId conn) = do

336− _ <- handleIOErrorsAndQuit $ mapM (executeDatabaseContextExpr sessionId conn) [

337− toAddTypeExpr (Proxy :: Proxy Stage) -- Adds the Type Stage as data to the DB

338− , toDefineExpr (Proxy :: Proxy Plant) "plants" -- Creates the plants relation

339− , databaseContextExprForUniqueKey "plants" ["name"] -- Makes name of the plants relation a uniqe Key,

340− -- Foreign Key restrictions are available too

341− ]

342− pure ()

343−

344−

345−-- | inserting some sample data

346−insertSampleData :: DBConnection -> IO (Either Err ())

347−insertSampleData (DB sid conn) = do

348− insert (DB sid conn) [

349− Plant "angu" "Caladenia angustata" Seed 0

350− , Plant "thely" "Thelymitra alcockiae" Seed 0

351− , Plant "monstera" "Araceae" Seed 0

352− ] "plants"

353−

354−dbConnection :: IO DBConnection

355−dbConnection = do

356− -- connect to the database

357− let connInfo = InProcessConnectionInfo NoPersistence emptyNotificationCallback []

358− -- The code below persists the data in a DB with the name "base". \\

359−-- let connInfo = InProcessConnectionInfo (CrashSafePersistence "base") emptyNotificationCallback [] \\

360− -- In addition minimal persistance is available. \\

361−-- let connInfo = InProcessConnectionInfo (MinimalPersistence "base") emptyNotificationCallback []

362− conn <- handleIOErrorAndQuit $ connectProjectM36 connInfo

363− --create a database session at the default branch of the database

364− sessionId <- handleIOErrorAndQuit $ createSessionAtHead conn defaultHeadName

365− pure (DB sessionId conn)

366−

367−

368−-- | A polymorphic function to insert data (a traversable of data) into the DB

369−insert :: (Tupleable a, Traversable t) => DBConnection -> t a -> Base.RelVarName -> IO (Either Err ())

370−insert db rlv rlvName = executeWithTransaction db $ toInsertExpr rlv rlvName

371−

372−-- | A polymorphic function to update data in the DB.

373−-- An update in one funtion would take:

374−--

375−-- - SessionId

376−-- - Connection

377−-- - Tuplable a -- the Tuplable you want to update

378−-- - [AttributeName] -- the Attributes of the Tuplable you want to update those are of StringType

379−-- - RelVarName -- the name of the relation

380−--

381−-- With that you can via 'toUpdateExpr' create a 'DatabaseContextExpr' to be executed. \\

382−-- For inserting its very similarly done with 'toInsertExpr'.

383−update :: (Tupleable a) => DBConnection -> a -> [AttributeName]-> Base.RelVarName -> IO (Either Err ())

384−update db rlv attr rlvName = executeWithTransaction db $ toUpdateExpr rlvName attr rlv

385−

386−-- | A polymorphic function to delete data in the DB

387−delete :: (Tupleable a) => DBConnection -> a -> [AttributeName]-> Base.RelVarName -> IO (Either Err ())

388−delete db rlv attr rlvName = executeWithTransaction db $ toDeleteExpr rlvName attr rlv

389−

390−-- | A convenience function to make executing DBContextExpr with commiting simpler. \\

391−-- In particular for expr that just insert, delete and update.

392−-- Therefor ultimately return Either _ ()

393−executeWithTransaction :: DBConnection -> Either RelationalError DatabaseContextExpr -> IO (Either Err ())

394−executeWithTransaction (DB sid conn) expr = do

395− iEx <- handleError expr

396− case iEx of

397− Left e -> pure $ Left e

398− Right v -> handleIOError $ withTransaction sid conn (executeDatabaseContextExpr sid conn v) (commit sid conn)

399−

400−-- | A polymorphic function to get data (a list of data and possibly errors) from the DB

401−get :: Tupleable b => DBConnection -> Base.RelationalExpr -> IO [Either Err b]

402−get (DB sessionId conn) q = do

403− eRel <- executeRelationalExpr sessionId conn q

404− e <- handleError eRel

405− case e of

406− Left err -> pure [Left err]

407− Right pRel -> do

408− ws <- Relation.toList pRel

409− mapM (handleError . fromTuple) ws

410−

411−-- | for closing the DB connection.

412−-- Not really needed when using in-memory DB

413−closeConn :: DBConnection -> IO ()

414−closeConn (DB _ conn) = close conn

415−

416−

417−-- | Error handling is heavily inspired by 'blog.hs' the blog example \\

418−-- by (agentm)[https://github.com/agentm] (https://github.com/agentm/project-m36, commit: f8432522adaafeae7c32bc2b8b6cb09c00396fc6). \\

419−-- As stated there, your application should have proper error handling.

420−handleIOErrorAndQuit :: Show e => IO (Either e a) -> IO a

421−handleIOErrorAndQuit m = do

422− v <- m

423− handleErrorAndQuit v

424−

425−handleError :: Show e => Either e a -> IO (Either Err a)

426−handleError eErr = case eErr of

427− Left err -> print err $> Left NotSpecified

428− Right v -> pure $ Right v

429−

430−handleIOError :: Show e => IO (Either e a) -> IO (Either Err a)

431−handleIOError m = do

432− v <- m

433− handleError v

434−

435−handleErrorAndQuit :: Show e => Either e a -> IO a

436−handleErrorAndQuit eErr = case eErr of

437− Left err -> print err >> error "Quit."

438− Right v -> pure v

439−

440−handleIOErrorsAndQuit :: Show e => IO [Either e a] -> IO [a]

441−handleIOErrorsAndQuit m = do

442− eErrs <- m

443− case lefts eErrs of

444− [] -> pure (rights eErrs)

445− err:_ -> handleErrorAndQuit (Left err)

446−

examples/out_of_the_tarpit.tutd+4−4

@@ -3,9 +3,9 @@

3data Address = Address Text

4data Agent = Agent Text

5data Name = Name Text

6−data Price = Price Integer --dollars

6+data Price = Price Double

7data RoomType = Kitchen | Bathroom | LivingRoom

8−data PriceBand = Low | Med | High | Premium

8+data PriceBand = Low | Medium | High | Premium

9data AreaCode = City | Suburban | Rural

10data SpeedBand = VeryFast | Fast | Medium | Slow

11

@@ -57,9 +57,9 @@ constraint noOffersAfterSale (offer join decision where ^dayEarlierThan(@offerDa

57--1. identify offerPrices > 2000 (arbitrarily-chosen high price band which is not specified in the paper)

58--2. remove the properties which have been sold

59--3. group and count sub-relation and restrict by greater than 50

60−constraint noMoreThan50PremiumProperties ((((property where ^gt(@price,Price 2000)) minus ((property join decision){address,agent,dateRegistered,photo,price})) group ({} as x) : {z:=gt(count(@x),50)}) {z}){} equals false

60+constraint noMoreThan50PremiumProperties ((((property where ^gt(offerPrice,2000.0)) minus ((property join decision){address,agent,dateRegistered,photo,price})) group ({} as x) : {z:=gt(count(@x),50)}) {z}){} equals false

61

62−constraint noBidderCanMakeMoreThan10BidsOnAProperty (((offer group ({all but bidderAddress} as bidder)) : {bidCount:=gt(count(@bidder),10)}) where ^gt(@bidCount,10)) {} equals false

62+constraint noBidderCanMakeMoreThan10BidsOnAProperty (((offer group ({all but bidderAddress} as bidder)) : {bidCount:=gt(count(@bidder),10)}) where ^gt(bidCount,10)) {} equals false

63

64-- sample data

65

jupyter/TutorialD Notebook Walkthrough.ipynb+1−1

@@ -38,7 +38,7 @@

38 }

39 ],

40 "source": [

41− ":importexample cjdate"

41+ ":importexample date"

42 ]

43 },

44 {

nix/sources.jsondeleted−50

@@ -1,50 +0,0 @@

1−{

2− "curryer": {

3− "branch": "master",

4− "description": "Fast Haskell RPC",

5− "homepage": null,

6− "owner": "agentm",

7− "repo": "curryer",

8− "rev": "74ecaac619ad1165a4517d5c0f4e530493bda130",

9− "sha256": "1izdvzj00k0y76ixm7dfgvq2fzphb8h4nzqgwkl3p0bg0806rsn1",

10− "type": "tarball",

11− "url": "https://github.com/agentm/curryer/archive/74ecaac619ad1165a4517d5c0f4e530493bda130.tar.gz",

12− "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"

13− },

14− "niv": {

15− "branch": "master",

16− "description": "Easy dependency management for Nix projects",

17− "homepage": "https://github.com/nmattia/niv",

18− "owner": "nmattia",

19− "repo": "niv",

20− "rev": "1819632b5823e0527da28ad82fecd6be5136c1e9",

21− "sha256": "08jz17756qchq0zrqmapcm33nr4ms9f630mycc06i6zkfwl5yh5i",

22− "type": "tarball",

23− "url": "https://github.com/nmattia/niv/archive/1819632b5823e0527da28ad82fecd6be5136c1e9.tar.gz",

24− "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"

25− },

26− "nixpkgs": {

27− "branch": "master",

28− "description": "Nix Packages collection",

29− "homepage": "",

30− "owner": "NixOS",

31− "repo": "nixpkgs",

32− "rev": "429c23aad0fce9ef38b0e60d55d7459c19d53ddc",

33− "sha256": "1nj8sh1fnxp07jdlvjkijwfd1pnsi2zj0ivy7a0dhx02g63byhg3",

34− "type": "tarball",

35− "url": "https://github.com/NixOS/nixpkgs/archive/429c23aad0fce9ef38b0e60d55d7459c19d53ddc.tar.gz",

36− "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"

37− },

38− "streamly": {

39− "branch": "ac3af8749194f1788704dda8667d0b3807075cc2",

40− "description": "Beautiful Streaming, Concurrent and Reactive Composition (Haskell)",

41− "homepage": "https://hackage.haskell.org/package/streamly",

42− "owner": "composewell",

43− "repo": "streamly",

44− "rev": "ac3af8749194f1788704dda8667d0b3807075cc2",

45− "sha256": "04d8fk654vawdfs0dfidmq2awwgwi8x44iv8r7vqz70zkcsd5fij",

46− "type": "tarball",

47− "url": "https://github.com/composewell/streamly/archive/ac3af8749194f1788704dda8667d0b3807075cc2.tar.gz",

48− "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"

49− }

50−}

nix/sources.nixdeleted−171

@@ -1,171 +0,0 @@

1−# This file has been generated by Niv.

2−

3−let

4−

5− #

6− # The fetchers. fetch_<type> fetches specs of type <type>.

7− #

8−

9− fetch_file = pkgs: name: spec:

10− let

11− name' = sanitizeName name + "-src";

12− in

13− if spec.builtin or true then

14− builtins_fetchurl { inherit (spec) url sha256; name = name'; }

15− else

16− pkgs.fetchurl { inherit (spec) url sha256; name = name'; };

17−

18− fetch_tarball = pkgs: name: spec:

19− let

20− name' = sanitizeName name + "-src";

21− in

22− if spec.builtin or true then

23− builtins_fetchTarball { name = name'; inherit (spec) url sha256; }

24− else

25− pkgs.fetchzip { name = name'; inherit (spec) url sha256; };

26−

27− fetch_git = name: spec:

28− let

29− ref =

30− if spec ? ref then spec.ref else

31− if spec ? branch then "refs/heads/${spec.branch}" else

32− if spec ? tag then "refs/tags/${spec.tag}" else

33− abort "In git source '${name}': Please specify `ref`, `tag` or `branch`!";

34− in

35− builtins.fetchGit { url = spec.repo; inherit (spec) rev; inherit ref; };

36−

37− fetch_local = spec: spec.path;

38−

39− fetch_builtin-tarball = name: throw

40− ''[${name}] The niv type "builtin-tarball" is deprecated. You should instead use `builtin = true`.

41− $ niv modify ${name} -a type=tarball -a builtin=true'';

42−

43− fetch_builtin-url = name: throw

44− ''[${name}] The niv type "builtin-url" will soon be deprecated. You should instead use `builtin = true`.

45− $ niv modify ${name} -a type=file -a builtin=true'';

46−

47− #

48− # Various helpers

49− #

50−

51− # https://github.com/NixOS/nixpkgs/pull/83241/files#diff-c6f540a4f3bfa4b0e8b6bafd4cd54e8bR695

52− sanitizeName = name:

53− (

54− concatMapStrings (s: if builtins.isList s then "-" else s)

55− (

56− builtins.split "[^[:alnum:]+._?=-]+"

57− ((x: builtins.elemAt (builtins.match "\\.*(.*)" x) 0) name)

58− )

59− );

60−

61− # The set of packages used when specs are fetched using non-builtins.

62− mkPkgs = sources: system:

63− let

64− sourcesNixpkgs =

65− import (builtins_fetchTarball { inherit (sources.nixpkgs) url sha256; }) { inherit system; };

66− hasNixpkgsPath = builtins.any (x: x.prefix == "nixpkgs") builtins.nixPath;

67− hasThisAsNixpkgsPath = <nixpkgs> == ./.;

68− in

69− if builtins.hasAttr "nixpkgs" sources

70− then sourcesNixpkgs

71− else if hasNixpkgsPath && ! hasThisAsNixpkgsPath then

72− import <nixpkgs> {}

73− else

74− abort

75− ''

76− Please specify either <nixpkgs> (through -I or NIX_PATH=nixpkgs=...) or

77− add a package called "nixpkgs" to your sources.json.

78− '';

79−

80− # The actual fetching function.

81− fetch = pkgs: name: spec:

82−

83− if ! builtins.hasAttr "type" spec then

84− abort "ERROR: niv spec ${name} does not have a 'type' attribute"

85− else if spec.type == "file" then fetch_file pkgs name spec

86− else if spec.type == "tarball" then fetch_tarball pkgs name spec

87− else if spec.type == "git" then fetch_git name spec

88− else if spec.type == "local" then fetch_local spec

89− else if spec.type == "builtin-tarball" then fetch_builtin-tarball name

90− else if spec.type == "builtin-url" then fetch_builtin-url name

91− else

92− abort "ERROR: niv spec ${name} has unknown type ${builtins.toJSON spec.type}";

93−

94− # If the environment variable NIV_OVERRIDE_${name} is set, then use

95− # the path directly as opposed to the fetched source.

96− replace = name: drv:

97− let

98− saneName = stringAsChars (c: if isNull (builtins.match "[a-zA-Z0-9]" c) then "_" else c) name;

99− ersatz = builtins.getEnv "NIV_OVERRIDE_${saneName}";

100− in

101− if ersatz == "" then drv else ersatz;

102−

103− # Ports of functions for older nix versions

104−

105− # a Nix version of mapAttrs if the built-in doesn't exist

106− mapAttrs = builtins.mapAttrs or (

107− f: set: with builtins;

108− listToAttrs (map (attr: { name = attr; value = f attr set.${attr}; }) (attrNames set))

109− );

110−

111− # https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/lists.nix#L295

112− range = first: last: if first > last then [] else builtins.genList (n: first + n) (last - first + 1);

113−

114− # https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/strings.nix#L257

115− stringToCharacters = s: map (p: builtins.substring p 1 s) (range 0 (builtins.stringLength s - 1));

116−

117− # https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/strings.nix#L269

118− stringAsChars = f: s: concatStrings (map f (stringToCharacters s));

119− concatMapStrings = f: list: concatStrings (map f list);

120− concatStrings = builtins.concatStringsSep "";

121−

122− # https://github.com/NixOS/nixpkgs/blob/8a9f58a375c401b96da862d969f66429def1d118/lib/attrsets.nix#L331

123− optionalAttrs = cond: as: if cond then as else {};

124−

125− # fetchTarball version that is compatible between all the versions of Nix

126− builtins_fetchTarball = { url, name ? null, sha256 }@attrs:

127− let

128− inherit (builtins) lessThan nixVersion fetchTarball;

129− in

130− if lessThan nixVersion "1.12" then

131− fetchTarball ({ inherit url; } // (optionalAttrs (!isNull name) { inherit name; }))

132− else

133− fetchTarball attrs;

134−

135− # fetchurl version that is compatible between all the versions of Nix

136− builtins_fetchurl = { url, name ? null, sha256 }@attrs:

137− let

138− inherit (builtins) lessThan nixVersion fetchurl;

139− in

140− if lessThan nixVersion "1.12" then

141− fetchurl ({ inherit url; } // (optionalAttrs (!isNull name) { inherit name; }))

142− else

143− fetchurl attrs;

144−

145− # Create the final "sources" from the config

146− mkSources = config:

147− mapAttrs (

148− name: spec:

149− if builtins.hasAttr "outPath" spec

150− then abort

151− "The values in sources.json should not have an 'outPath' attribute"

152− else

153− spec // { outPath = replace name (fetch config.pkgs name spec); }

154− ) config.sources;

155−

156− # The "config" used by the fetchers

157− mkConfig =

158− { sourcesFile ? if builtins.pathExists ./sources.json then ./sources.json else null

159− , sources ? if isNull sourcesFile then {} else builtins.fromJSON (builtins.readFile sourcesFile)

160− , system ? builtins.currentSystem

161− , pkgs ? mkPkgs sources system

162− }: rec {

163− # The sources, i.e. the attribute set of spec name to spec

164− inherit sources;

165−

166− # The "pkgs" (evaluated nixpkgs) to use for e.g. non-builtin fetchers

167− inherit pkgs;

168− };

169−

170−in

171−mkSources (mkConfig {}) // { __functor = _: settings: mkSources (mkConfig settings); }

pkgs.nixnew file+7

@@ -0,0 +1,7 @@

1+let

2+nixpkgs = builtins.fetchGit {

3+ url = "https://github.com/NixOS/nixpkgs";

4+ rev = "f58482658eabf7d695f45904ecbc5f49c19fef98";

5+};

6+in

7+import nixpkgs { config.allowBroken = true; }

project-m36.cabal+42−67

@@ -1,8 +1,8 @@

1Cabal-Version: 2.2

2Name: project-m36

3−Version: 0.9.3

3+Version: 0.9.0

4License: MIT

5−--note that this license specification is erroneous and only labeled MIT to appease hackage which does not recognize public domain packages in cabal >2.2- Project:M36 is dedicated to the public domain

5+--note that this license specification is erroneous and only labeled MIT to appease hackage which does not recognize public domain packages in cabal >2.2- Project:M36 is dedicated to the public domain

6Build-Type: Simple

7Homepage: https://github.com/agentm/project-m36

8Bug-Reports: https://github.com/agentm/project-m36/issues

@@ -35,7 +35,7 @@ Flag haskell-scripting

35 Default: True

36

37Library

38− Build-Depends: base>=4.8 && < 4.15, ghc-paths, mtl, containers, unordered-containers, hashable, haskeline, directory, MonadRandom, random-shuffle, uuid >= 1.3.12, cassava >= 0.4.5.1 && < 0.6, text, bytestring, deepseq, deepseq-generics, vector, parallel, monad-parallel, exceptions, transformers, gnuplot, filepath, zlib, directory, temporary, stm, time, hashable-time, old-locale, rset, attoparsec, either, base64-bytestring, data-interval, extended-reals, aeson >= 1.1, path-pieces, conduit, resourcet, http-api-data, semigroups, QuickCheck, quickcheck-instances, list-t, stm-containers >= 0.2.15, foldl, optparse-applicative, Glob, cryptohash-sha256, text-manipulate >= 0.2.0.1 && < 0.4, winery, curryer-rpc, network, async, vector-instances, recursion-schemes, streamly >= 0.7.2, convertible

38+ Build-Depends: base>=4.8 && < 4.15, ghc-paths, mtl, containers, unordered-containers, hashable, haskeline, directory, MonadRandom, random-shuffle, uuid >= 1.3.12, cassava >= 0.4.5.1 && < 0.6, text, bytestring, deepseq, deepseq-generics, vector, parallel, monad-parallel, exceptions, transformers, gnuplot, filepath, zlib, directory, temporary, stm, time, hashable-time, old-locale, rset, attoparsec, either, base64-bytestring, data-interval, extended-reals, aeson >= 1.1, path-pieces, conduit, resourcet, http-api-data, semigroups, QuickCheck, quickcheck-instances, list-t, stm-containers >= 0.2.15, foldl, optparse-applicative, Glob, cryptohash-sha256, text-manipulate >= 0.2.0.1 && < 0.3, winery, curryer-rpc, network, async, vector-instances

39 if flag(haskell-scripting)

40 Build-Depends: ghc >= 8.2 && < 8.11

41 CPP-Options: -DPM36_HASKELL_SCRIPTING

@@ -63,7 +63,6 @@ Library

63 ProjectM36.AtomFunction,

64 ProjectM36.AtomFunctionError,

65 ProjectM36.ScriptSession,

66− ProjectM36.Shortcuts,

67 ProjectM36.DatabaseContextFunction,

66 ProjectM36.DatabaseContextFunction,

68 ProjectM36.DatabaseContextFunctionError,

67 ProjectM36.DatabaseContextFunctionError,

69 ProjectM36.DatabaseContextFunctionUtils,

68 ProjectM36.DatabaseContextFunctionUtils,

@@ -136,14 +135,14 @@ Library

136 Other-Modules: ProjectM36.Win32Handle

135 Other-Modules: ProjectM36.Win32Handle

137 else

136 else

138 --219- too many exported symbols under Windows and GHC 8.4

137 --219- too many exported symbols under Windows and GHC 8.4

139− GHC-Options: -rdynamic -fexternal-interpreter

138+ GHC-Options: -rdynamic

140 C-sources: cbits/DirectoryFsync.c, cbits/darwin_statfs.c

139 C-sources: cbits/DirectoryFsync.c, cbits/darwin_statfs.c

141 Build-Depends: unix

140 Build-Depends: unix

142 CC-Options: -fPIC

141 CC-Options: -fPIC

143 Hs-Source-Dirs: ./src/lib

142 Hs-Source-Dirs: ./src/lib

144 Default-Language: Haskell2010

143 Default-Language: Haskell2010

145 Default-Extensions: OverloadedStrings, CPP

144 Default-Extensions: OverloadedStrings, CPP

146− if !flag(stack)

145+ if !flag(stack)

147 Build-Depends: deferred-folds

146 Build-Depends: deferred-folds

148

147

149Executable tutd

148Executable tutd

@@ -175,7 +174,7 @@ Executable tutd

175 directory,

174 directory,

176 filepath,

175 filepath,

177 temporary,

176 temporary,

178− megaparsec >= 5.2.0 && < 10,

177+ megaparsec >= 5.2.0 && < 9,

179 haskeline,

178 haskeline,

180 random, MonadRandom,

179 random, MonadRandom,

181 base64-bytestring,

180 base64-bytestring,

@@ -185,13 +184,7 @@ Executable tutd

185 list-t,

184 list-t,

186 parser-combinators,

185 parser-combinators,

187 curryer-rpc,

186 curryer-rpc,

188− prettyprinter,

187+ prettyprinter

189− cryptohash-sha256,

190− --due to decode signature change

191− base16-bytestring >= 1.0.0.0,

192− http-conduit,

193− modern-uri,

194− http-types

195 Other-Modules: TutorialD.Interpreter,

188 Other-Modules: TutorialD.Interpreter,

196 TutorialD.Interpreter.Base,

189 TutorialD.Interpreter.Base,

197 TutorialD.Interpreter.DatabaseContextExpr,

190 TutorialD.Interpreter.DatabaseContextExpr,

@@ -237,6 +230,7 @@ Executable project-m36-server

237 optparse-applicative,

230 optparse-applicative,

238 hashable-time,

231 hashable-time,

239 time,

232 time,

233+ vector-binary-instances,

240 text,

234 text,

241 deepseq-generics,

235 deepseq-generics,

242 mtl,

236 mtl,

@@ -258,7 +252,7 @@ Executable project-m36-server

258Executable bigrel

252Executable bigrel

259 Default-Language: Haskell2010

253 Default-Language: Haskell2010

260 Default-Extensions: OverloadedStrings

254 Default-Extensions: OverloadedStrings

261− Build-Depends: base, HUnit, Cabal, containers, hashable, unordered-containers, mtl, vector, time, hashable-time, bytestring, uuid, stm, deepseq, deepseq-generics, parallel, cassava, attoparsec, gnuplot, directory, temporary, haskeline, megaparsec, text, base64-bytestring, data-interval, filepath, optparse-applicative, stm-containers, list-t, ghc, ghc-paths, transformers, project-m36, random, MonadRandom, semigroups, parser-combinators

255+ Build-Depends: base, HUnit, Cabal, containers, hashable, unordered-containers, mtl, vector, vector-binary-instances, time, hashable-time, bytestring, uuid, stm, deepseq, deepseq-generics, parallel, cassava, attoparsec, gnuplot, directory, temporary, haskeline, megaparsec, text, base64-bytestring, data-interval, filepath, optparse-applicative, stm-containers, list-t, ghc, ghc-paths, transformers, project-m36, random, MonadRandom, semigroups, parser-combinators

262 Other-Modules: TutorialD.Interpreter.Base,

256 Other-Modules: TutorialD.Interpreter.Base,

263 TutorialD.Interpreter.DatabaseContextExpr,

257 TutorialD.Interpreter.DatabaseContextExpr,

264 TutorialD.Interpreter.RelationalExpr,

258 TutorialD.Interpreter.RelationalExpr,

@@ -270,11 +264,11 @@ Executable bigrel

270 GHC-Prof-Options: -fprof-auto -rtsopts -threaded -Wall

264 GHC-Prof-Options: -fprof-auto -rtsopts -threaded -Wall

271

265

272Common commontest

266Common commontest

273− Default-Language: Haskell2010

267+ Default-Language: Haskell2010

274− Build-Depends: base, HUnit, Cabal, containers, hashable, unordered-containers, mtl, vector, time, hashable-time, bytestring, uuid, stm, deepseq, deepseq-generics,parallel, cassava, attoparsec, gnuplot, directory, temporary, haskeline, megaparsec, text, base64-bytestring, data-interval, filepath, transformers, stm-containers, list-t, websockets, optparse-applicative, network, aeson, project-m36, random, MonadRandom, semigroups, parser-combinators, winery, curryer-rpc, prettyprinter, base64-bytestring, modern-uri, http-types, http-conduit, base16-bytestring,cryptohash-sha256

268+ Build-Depends: base, HUnit, Cabal, containers, hashable, unordered-containers, mtl, vector, vector-binary-instances, time, hashable-time, bytestring, uuid, stm, deepseq, deepseq-generics,parallel, cassava, attoparsec, gnuplot, directory, temporary, haskeline, megaparsec, text, base64-bytestring, data-interval, filepath, transformers, stm-containers, list-t, websockets, optparse-applicative, network, aeson, project-m36, random, MonadRandom, semigroups, parser-combinators, winery, curryer-rpc, prettyprinter, base64-bytestring

275 Default-Extensions: OverloadedStrings

269 Default-Extensions: OverloadedStrings

276 GHC-Options: -Wall -threaded

270 GHC-Options: -Wall -threaded

277− Hs-Source-Dirs: test, src/bin

271+ Hs-Source-Dirs: ./src/bin, ., test/

278

272

279Benchmark basic-benchmark

273Benchmark basic-benchmark

280 Default-Language: Haskell2010

274 Default-Language: Haskell2010

@@ -287,79 +281,67 @@ Benchmark basic-benchmark

287 if flag(profiler)

281 if flag(profiler)

288 GHC-Prof-Options: -fprof-auto -rtsopts -threaded -Wall

282 GHC-Prof-Options: -fprof-auto -rtsopts -threaded -Wall

289

283

290−--benchmark inserts, updates, deletes for a basic use-case to shake out any space leaks

291−Benchmark update-exprs

292− Default-Language: Haskell2010

293− Default-Extensions: OverloadedStrings

294− Build-Depends: base, criterion, project-m36, text, winery

295− Main-Is: benchmark/Server.hs

296− Type: exitcode-stdio-1.0

297− GHC-Options: -Wall -threaded -rtsopts

298− HS-Source-Dirs: ./src/bin

299− if flag(profiler)

300− GHC-Prof-Options: -fprof-auto -rtsopts -threaded -Wall -fexternal-interpreter

301−

302Test-Suite test-tutoriald

284Test-Suite test-tutoriald

303 import: commontest

285 import: commontest

304 type: exitcode-stdio-1.0

286 type: exitcode-stdio-1.0

305− main-is: TutorialD/InterpreterTest.hs

287+ main-is: test/TutorialD/Interpreter.hs

306 Other-Modules: TutorialD.Interpreter, TutorialD.Interpreter.Base, TutorialD.Interpreter.Export.Base, TutorialD.Interpreter.Export.CSV, TutorialD.Interpreter.Import.Base, TutorialD.Interpreter.Import.CSV, TutorialD.Interpreter.Import.TutorialD, TutorialD.Interpreter.RODatabaseContextOperator, TutorialD.Interpreter.RelationalExpr, TutorialD.Interpreter.TransactionGraphOperator, TutorialD.Interpreter.Types, TutorialD.Interpreter.DatabaseContextExpr, TutorialD.Interpreter.InformationOperator, TutorialD.Interpreter.Import.BasicExamples, TutorialD.Interpreter.DatabaseContextIOOperator, TutorialD.Interpreter.TestBase, TutorialD.Interpreter.TransGraphRelationalOperator, TutorialD.Interpreter.SchemaOperator, TutorialD.Printer

288 Other-Modules: TutorialD.Interpreter, TutorialD.Interpreter.Base, TutorialD.Interpreter.Export.Base, TutorialD.Interpreter.Export.CSV, TutorialD.Interpreter.Import.Base, TutorialD.Interpreter.Import.CSV, TutorialD.Interpreter.Import.TutorialD, TutorialD.Interpreter.RODatabaseContextOperator, TutorialD.Interpreter.RelationalExpr, TutorialD.Interpreter.TransactionGraphOperator, TutorialD.Interpreter.Types, TutorialD.Interpreter.DatabaseContextExpr, TutorialD.Interpreter.InformationOperator, TutorialD.Interpreter.Import.BasicExamples, TutorialD.Interpreter.DatabaseContextIOOperator, TutorialD.Interpreter.TestBase, TutorialD.Interpreter.TransGraphRelationalOperator, TutorialD.Interpreter.SchemaOperator, TutorialD.Printer

307− Build-Depends: base, HUnit, Cabal, containers, hashable, unordered-containers, mtl, vector, time, hashable-time, bytestring, uuid, stm, deepseq, deepseq-generics, parallel, cassava, attoparsec, gnuplot, directory, temporary, haskeline, megaparsec, text, base64-bytestring, data-interval, filepath, stm-containers, list-t, project-m36, random, MonadRandom, semigroups, parser-combinators, prettyprinter

289+ Build-Depends: base, HUnit, Cabal, containers, hashable, unordered-containers, mtl, vector, vector-binary-instances, time, hashable-time, bytestring, uuid, stm, deepseq, deepseq-generics, binary, parallel, cassava, attoparsec, gnuplot, directory, temporary, haskeline, megaparsec, text, base64-bytestring, data-interval, filepath, stm-containers, list-t, project-m36, random, MonadRandom, semigroups, parser-combinators, prettyprinter

308

290

309Test-Suite test-tutoriald-atomfunctionscript

291Test-Suite test-tutoriald-atomfunctionscript

310 import: commontest

292 import: commontest

311 type: exitcode-stdio-1.0

293 type: exitcode-stdio-1.0

312 Other-Modules: TutorialD.Interpreter, TutorialD.Interpreter.Base, TutorialD.Interpreter.DatabaseContextExpr, TutorialD.Interpreter.DatabaseContextIOOperator, TutorialD.Interpreter.Export.Base, TutorialD.Interpreter.Export.CSV, TutorialD.Interpreter.Import.Base, TutorialD.Interpreter.Import.BasicExamples, TutorialD.Interpreter.Import.CSV, TutorialD.Interpreter.Import.TutorialD, TutorialD.Interpreter.InformationOperator, TutorialD.Interpreter.RODatabaseContextOperator, TutorialD.Interpreter.RelationalExpr, TutorialD.Interpreter.TestBase, TutorialD.Interpreter.TransGraphRelationalOperator, TutorialD.Interpreter.TransactionGraphOperator, TutorialD.Interpreter.Types, TutorialD.Interpreter.SchemaOperator, TutorialD.Printer

294 Other-Modules: TutorialD.Interpreter, TutorialD.Interpreter.Base, TutorialD.Interpreter.DatabaseContextExpr, TutorialD.Interpreter.DatabaseContextIOOperator, TutorialD.Interpreter.Export.Base, TutorialD.Interpreter.Export.CSV, TutorialD.Interpreter.Import.Base, TutorialD.Interpreter.Import.BasicExamples, TutorialD.Interpreter.Import.CSV, TutorialD.Interpreter.Import.TutorialD, TutorialD.Interpreter.InformationOperator, TutorialD.Interpreter.RODatabaseContextOperator, TutorialD.Interpreter.RelationalExpr, TutorialD.Interpreter.TestBase, TutorialD.Interpreter.TransGraphRelationalOperator, TutorialD.Interpreter.TransactionGraphOperator, TutorialD.Interpreter.Types, TutorialD.Interpreter.SchemaOperator, TutorialD.Printer

313− main-is: TutorialD/Interpreter/AtomFunctionScript.hs

295+ main-is: test/TutorialD/Interpreter/AtomFunctionScript.hs

314

296

315Test-Suite test-tutoriald-databasecontextfunctionscript

297Test-Suite test-tutoriald-databasecontextfunctionscript

316 import: commontest

298 import: commontest

317 type: exitcode-stdio-1.0

299 type: exitcode-stdio-1.0

318 Other-Modules: TutorialD.Interpreter, TutorialD.Interpreter.Base, TutorialD.Interpreter.DatabaseContextExpr, TutorialD.Interpreter.DatabaseContextIOOperator, TutorialD.Interpreter.Export.Base, TutorialD.Interpreter.Export.CSV, TutorialD.Interpreter.Import.Base, TutorialD.Interpreter.Import.BasicExamples, TutorialD.Interpreter.Import.CSV, TutorialD.Interpreter.Import.TutorialD, TutorialD.Interpreter.InformationOperator, TutorialD.Interpreter.RODatabaseContextOperator, TutorialD.Interpreter.RelationalExpr, TutorialD.Interpreter.TestBase, TutorialD.Interpreter.TransGraphRelationalOperator, TutorialD.Interpreter.TransactionGraphOperator, TutorialD.Interpreter.Types, TutorialD.Interpreter.SchemaOperator, TutorialD.Printer

300 Other-Modules: TutorialD.Interpreter, TutorialD.Interpreter.Base, TutorialD.Interpreter.DatabaseContextExpr, TutorialD.Interpreter.DatabaseContextIOOperator, TutorialD.Interpreter.Export.Base, TutorialD.Interpreter.Export.CSV, TutorialD.Interpreter.Import.Base, TutorialD.Interpreter.Import.BasicExamples, TutorialD.Interpreter.Import.CSV, TutorialD.Interpreter.Import.TutorialD, TutorialD.Interpreter.InformationOperator, TutorialD.Interpreter.RODatabaseContextOperator, TutorialD.Interpreter.RelationalExpr, TutorialD.Interpreter.TestBase, TutorialD.Interpreter.TransGraphRelationalOperator, TutorialD.Interpreter.TransactionGraphOperator, TutorialD.Interpreter.Types, TutorialD.Interpreter.SchemaOperator, TutorialD.Printer

319− main-is: TutorialD/Interpreter/DatabaseContextFunctionScript.hs

301+ main-is: test/TutorialD/Interpreter/DatabaseContextFunctionScript.hs

320

302

321Test-Suite test-relation

303Test-Suite test-relation

322 import: commontest

304 import: commontest

323 type: exitcode-stdio-1.0

305 type: exitcode-stdio-1.0

324− main-is: Relation/Basic.hs

306+ main-is: test/Relation/Basic.hs

325

307

326Test-Suite test-static-optimizer

308Test-Suite test-static-optimizer

327 import: commontest

309 import: commontest

328 type: exitcode-stdio-1.0

310 type: exitcode-stdio-1.0

329− main-is: Relation/StaticOptimizer.hs

311+ main-is: test/Relation/StaticOptimizer.hs

330

312

331Test-Suite test-transactiongraph-persist

313Test-Suite test-transactiongraph-persist

332 import: commontest

314 import: commontest

333 type: exitcode-stdio-1.0

315 type: exitcode-stdio-1.0

334− main-is: TransactionGraph/Persist.hs

316+ main-is: test/TransactionGraph/Persist.hs

335 Other-Modules: TutorialD.Interpreter.Base, TutorialD.Interpreter.RelationalExpr, TutorialD.Interpreter.Types, TutorialD.Interpreter.DatabaseContextExpr, TutorialD.Interpreter.Import.BasicExamples, TutorialD.Printer

317 Other-Modules: TutorialD.Interpreter.Base, TutorialD.Interpreter.RelationalExpr, TutorialD.Interpreter.Types, TutorialD.Interpreter.DatabaseContextExpr, TutorialD.Interpreter.Import.BasicExamples, TutorialD.Printer

336

318

337Test-Suite test-relation-import-csv

319Test-Suite test-relation-import-csv

338 import: commontest

320 import: commontest

339 type: exitcode-stdio-1.0

321 type: exitcode-stdio-1.0

340− main-is: Relation/Import/CSV.hs

322+ main-is: test/Relation/Import/CSV.hs

341

323

342Test-Suite test-tutoriald-import-tutoriald

324Test-Suite test-tutoriald-import-tutoriald

343 import: commontest

325 import: commontest

344 type: exitcode-stdio-1.0

326 type: exitcode-stdio-1.0

345− main-is: TutorialD/Interpreter/Import/ImportTest.hs

327+ main-is: test/TutorialD/Interpreter/Import/TutorialD.hs

346 Other-Modules: TutorialD.Interpreter.Base, TutorialD.Interpreter.Import.Base, TutorialD.Interpreter.Import.TutorialD, TutorialD.Interpreter.RelationalExpr, TutorialD.Interpreter.Types, TutorialD.Interpreter.DatabaseContextExpr, TutorialD.Interpreter.Import.BasicExamples, TutorialD.Printer

328 Other-Modules: TutorialD.Interpreter.Base, TutorialD.Interpreter.Import.Base, TutorialD.Interpreter.Import.TutorialD, TutorialD.Interpreter.RelationalExpr, TutorialD.Interpreter.Types, TutorialD.Interpreter.DatabaseContextExpr, TutorialD.Interpreter.Import.BasicExamples, TutorialD.Printer

347

329

348Test-Suite test-relation-export-csv

330Test-Suite test-relation-export-csv

349 import: commontest

331 import: commontest

350 type: exitcode-stdio-1.0

332 type: exitcode-stdio-1.0

351− main-is: Relation/Export/CSV.hs

333+ main-is: test/Relation/Export/CSV.hs

352

334

353Test-Suite test-transactiongraph-merge

335Test-Suite test-transactiongraph-merge

354 import: commontest

336 import: commontest

355 type: exitcode-stdio-1.0

337 type: exitcode-stdio-1.0

356− main-is: TransactionGraph/Merge.hs

338+ main-is: test/TransactionGraph/Merge.hs

357

339

358

340

359Test-Suite test-prettyprinter

341Test-Suite test-prettyprinter

360 import: commontest

342 import: commontest

361 type: exitcode-stdio-1.0

343 type: exitcode-stdio-1.0

362− main-is: TutorialD/PrinterTest.hs

344+ main-is: test/TutorialD/Printer.hs

363 Other-Modules: TutorialD.Printer, TutorialD.Interpreter.Base, TutorialD.Interpreter.RelationalExpr, TutorialD.Interpreter.Types

345 Other-Modules: TutorialD.Printer, TutorialD.Interpreter.Base, TutorialD.Interpreter.RelationalExpr, TutorialD.Interpreter.Types

364

346

365benchmark bench

347benchmark bench

@@ -370,48 +352,41 @@ benchmark bench

370Test-Suite test-server

352Test-Suite test-server

371 import: commontest

353 import: commontest

372 type: exitcode-stdio-1.0

354 type: exitcode-stdio-1.0

373− main-is: Server/Main.hs

355+ main-is: test/Server/Main.hs

374

356

375

357

376Executable Example-SimpleClient

358Executable Example-SimpleClient

377 Default-Language: Haskell2010

359 Default-Language: Haskell2010

378 Default-Extensions: OverloadedStrings

360 Default-Extensions: OverloadedStrings

379− Build-Depends: base, HUnit, Cabal, containers, hashable, unordered-containers, mtl, vector, time, hashable-time, bytestring, uuid, stm, deepseq, deepseq-generics,parallel, cassava, attoparsec, gnuplot, directory, temporary, haskeline, megaparsec, text, base64-bytestring, data-interval, filepath, transformers, stm-containers, list-t, ghc, ghc-paths, project-m36, random, MonadRandom

361+ Build-Depends: base, HUnit, Cabal, containers, hashable, unordered-containers, mtl, vector, vector-binary-instances, time, hashable-time, bytestring, uuid, stm, deepseq, deepseq-generics,parallel, cassava, attoparsec, gnuplot, directory, temporary, haskeline, megaparsec, text, base64-bytestring, data-interval, filepath, transformers, stm-containers, list-t, ghc, ghc-paths, project-m36, random, MonadRandom

380 Main-Is: examples/SimpleClient.hs

362 Main-Is: examples/SimpleClient.hs

381 GHC-Options: -Wall -threaded

363 GHC-Options: -Wall -threaded

382

364

383Executable Example-OutOfTheTarpit

365Executable Example-OutOfTheTarpit

384 Default-Language: Haskell2010

366 Default-Language: Haskell2010

385 Default-Extensions: OverloadedStrings

367 Default-Extensions: OverloadedStrings

386− Build-Depends: base, HUnit, Cabal, containers, hashable, unordered-containers, mtl, vector, time, hashable-time, bytestring, uuid, stm, deepseq, deepseq-generics,parallel, cassava, attoparsec, gnuplot, directory, temporary, haskeline, megaparsec, text, base64-bytestring, data-interval, filepath, transformers, stm-containers, list-t, aeson, path-pieces, either, conduit, http-api-data, template-haskell, ghc, ghc-paths, project-m36, winery

368+ Build-Depends: base, HUnit, Cabal, containers, hashable, unordered-containers, mtl, vector, vector-binary-instances, time, hashable-time, bytestring, uuid, stm, deepseq, deepseq-generics,parallel, cassava, attoparsec, gnuplot, directory, temporary, haskeline, megaparsec, text, base64-bytestring, data-interval, filepath, transformers, stm-containers, list-t, aeson, path-pieces, either, conduit, http-api-data, template-haskell, ghc, ghc-paths, project-m36, winery

387 Main-Is: examples/out_of_the_tarpit.hs

369 Main-Is: examples/out_of_the_tarpit.hs

388 GHC-Options: -Wall -threaded

370 GHC-Options: -Wall -threaded

389

371

390Executable Example-Blog

372Executable Example-Blog

391 Default-Language: Haskell2010

373 Default-Language: Haskell2010

392 Default-Extensions: OverloadedStrings

374 Default-Extensions: OverloadedStrings

393− Build-Depends: base, HUnit, Cabal, containers, hashable, unordered-containers, mtl, vector, time, hashable-time, bytestring, uuid, stm, deepseq, deepseq-generics,parallel, cassava, attoparsec, gnuplot, directory, temporary, haskeline, megaparsec, text, base64-bytestring, data-interval, filepath, transformers, stm-containers, list-t, aeson, path-pieces, either, conduit, http-api-data, template-haskell, ghc, ghc-paths, project-m36, scotty, blaze-html, http-types, winery

375+ Build-Depends: base, HUnit, Cabal, containers, hashable, unordered-containers, mtl, vector, vector-binary-instances, time, hashable-time, bytestring, uuid, stm, deepseq, deepseq-generics,parallel, cassava, attoparsec, gnuplot, directory, temporary, haskeline, megaparsec, text, base64-bytestring, data-interval, filepath, transformers, stm-containers, list-t, aeson, path-pieces, either, conduit, http-api-data, template-haskell, ghc, ghc-paths, project-m36, scotty, blaze-html, http-types, winery

394 Main-Is: examples/blog.hs

376 Main-Is: examples/blog.hs

395 GHC-Options: -Wall -threaded

377 GHC-Options: -Wall -threaded

396

378

397Executable Example-Hair

379Executable Example-Hair

398 Default-Language: Haskell2010

380 Default-Language: Haskell2010

399 Default-Extensions: OverloadedStrings

381 Default-Extensions: OverloadedStrings

400− Build-Depends: base, HUnit, Cabal, containers, hashable, unordered-containers, mtl, vector, time, hashable-time, bytestring, uuid, stm, deepseq, deepseq-generics,parallel, cassava, attoparsec, gnuplot, directory, temporary, haskeline, megaparsec, text, base64-bytestring, data-interval, filepath, transformers, stm-containers, list-t, aeson, path-pieces, either, conduit, http-api-data, template-haskell, ghc, ghc-paths, project-m36, winery

382+ Build-Depends: base, HUnit, Cabal, containers, hashable, unordered-containers, mtl, vector, vector-binary-instances, time, hashable-time, bytestring, uuid, stm, deepseq, deepseq-generics,parallel, cassava, attoparsec, gnuplot, directory, temporary, haskeline, megaparsec, text, base64-bytestring, data-interval, filepath, transformers, stm-containers, list-t, aeson, path-pieces, either, conduit, http-api-data, template-haskell, ghc, ghc-paths, project-m36, winery

401 Main-Is: examples/hair.hs

383 Main-Is: examples/hair.hs

402 GHC-Options: -Wall -threaded

384 GHC-Options: -Wall -threaded

403

385

404−Executable Example-Plantfarm

405− Default-Language: Haskell2010

406− Default-Extensions: OverloadedStrings

407− Build-Depends: aeson, barbies, base, binary, containers, deepseq, hashable, project-m36, random, scotty, text, winery

408− Main-Is: examples/Plantfarm.hs

409− GHC-Options: -Wall -threaded

410−

411Executable Example-CustomTupleable

386Executable Example-CustomTupleable

412 Default-Language: Haskell2010

387 Default-Language: Haskell2010

413 Default-Extensions: OverloadedStrings

388 Default-Extensions: OverloadedStrings

414− Build-Depends: base, HUnit, Cabal, containers, hashable, unordered-containers, mtl, vector, time, hashable-time, bytestring, uuid, stm, deepseq, deepseq-generics,parallel, cassava, attoparsec, gnuplot, directory, temporary, haskeline, megaparsec, text, base64-bytestring, data-interval, filepath, transformers, stm-containers, list-t, aeson, path-pieces, either, conduit, http-api-data, template-haskell, ghc, ghc-paths, project-m36, winery

389+ Build-Depends: base, HUnit, Cabal, containers, hashable, unordered-containers, mtl, vector, vector-binary-instances, time, hashable-time, bytestring, uuid, stm, deepseq, deepseq-generics,parallel, cassava, attoparsec, gnuplot, directory, temporary, haskeline, megaparsec, text, base64-bytestring, data-interval, filepath, transformers, stm-containers, list-t, aeson, path-pieces, either, conduit, http-api-data, template-haskell, ghc, ghc-paths, project-m36, winery

415 Main-Is: examples/CustomTupleable.hs

390 Main-Is: examples/CustomTupleable.hs

416 GHC-Options: -Wall -threaded

391 GHC-Options: -Wall -threaded

417

392

@@ -428,12 +403,12 @@ Executable Example-DerivingCustomTupleable

428Test-Suite test-scripts

403Test-Suite test-scripts

429 import: commontest

404 import: commontest

430 type: exitcode-stdio-1.0

405 type: exitcode-stdio-1.0

431− main-is: scripts.hs

406+ main-is: test/scripts.hs

432 Other-Modules: TutorialD.Interpreter.Base, TutorialD.Interpreter.DatabaseContextExpr, TutorialD.Interpreter.Import.Base, TutorialD.Interpreter.Import.TutorialD, TutorialD.Interpreter.RelationalExpr, TutorialD.Interpreter.Types, TutorialD.Interpreter.Import.BasicExamples, TutorialD.Printer

407 Other-Modules: TutorialD.Interpreter.Base, TutorialD.Interpreter.DatabaseContextExpr, TutorialD.Interpreter.Import.Base, TutorialD.Interpreter.Import.TutorialD, TutorialD.Interpreter.RelationalExpr, TutorialD.Interpreter.Types, TutorialD.Interpreter.Import.BasicExamples, TutorialD.Printer

433

408

434Executable project-m36-websocket-server

409Executable project-m36-websocket-server

435 Default-Language: Haskell2010

410 Default-Language: Haskell2010

436− Build-Depends: base, aeson, path-pieces, either, conduit, http-api-data, template-haskell, websockets, aeson, optparse-applicative, project-m36, containers, bytestring, text, vector, uuid, megaparsec, haskeline, mtl, directory, base64-bytestring, random, MonadRandom, time, semigroups, attoparsec, parser-combinators, prettyprinter, network, modern-uri, http-conduit, base16-bytestring, http-types, cryptohash-sha256, wai, wai-websockets, warp, warp-tls

411+ Build-Depends: base, aeson, path-pieces, either, conduit, http-api-data, template-haskell, websockets, aeson, optparse-applicative, project-m36, containers, bytestring, text, vector, uuid, megaparsec, haskeline, mtl, directory, base64-bytestring, random, MonadRandom, time, semigroups, attoparsec, parser-combinators, prettyprinter, network

437 Main-Is: ProjectM36/Server/WebSocket/websocket-server.hs

412 Main-Is: ProjectM36/Server/WebSocket/websocket-server.hs

438 Other-Modules: ProjectM36.Client.Json, ProjectM36.Server.RemoteCallTypes.Json, ProjectM36.Server.WebSocket, TutorialD.Interpreter, TutorialD.Interpreter.Base, TutorialD.Interpreter.DatabaseContextExpr, TutorialD.Interpreter.DatabaseContextIOOperator, TutorialD.Interpreter.Export.Base, TutorialD.Interpreter.Export.CSV, TutorialD.Interpreter.Import.Base, TutorialD.Interpreter.Import.BasicExamples, TutorialD.Interpreter.Import.CSV, TutorialD.Interpreter.Import.TutorialD, TutorialD.Interpreter.InformationOperator, TutorialD.Interpreter.RODatabaseContextOperator, TutorialD.Interpreter.RelationalExpr, TutorialD.Interpreter.TransactionGraphOperator, TutorialD.Interpreter.Types, TutorialD.Interpreter.TransGraphRelationalOperator, TutorialD.Interpreter.SchemaOperator, TutorialD.Printer

413 Other-Modules: ProjectM36.Client.Json, ProjectM36.Server.RemoteCallTypes.Json, ProjectM36.Server.WebSocket, TutorialD.Interpreter, TutorialD.Interpreter.Base, TutorialD.Interpreter.DatabaseContextExpr, TutorialD.Interpreter.DatabaseContextIOOperator, TutorialD.Interpreter.Export.Base, TutorialD.Interpreter.Export.CSV, TutorialD.Interpreter.Import.Base, TutorialD.Interpreter.Import.BasicExamples, TutorialD.Interpreter.Import.CSV, TutorialD.Interpreter.Import.TutorialD, TutorialD.Interpreter.InformationOperator, TutorialD.Interpreter.RODatabaseContextOperator, TutorialD.Interpreter.RelationalExpr, TutorialD.Interpreter.TransactionGraphOperator, TutorialD.Interpreter.Types, TutorialD.Interpreter.TransGraphRelationalOperator, TutorialD.Interpreter.SchemaOperator, TutorialD.Printer

439 GHC-Options: -Wall -threaded

414 GHC-Options: -Wall -threaded

@@ -443,46 +418,46 @@ Executable project-m36-websocket-server

443Test-Suite test-websocket-server

418Test-Suite test-websocket-server

444 import: commontest

419 import: commontest

445 type: exitcode-stdio-1.0

420 type: exitcode-stdio-1.0

446− main-is: Server/WebSocket.hs

421+ main-is: test/Server/WebSocket.hs

447 Other-Modules: TutorialD.Interpreter.Export.Base, TutorialD.Interpreter.Export.CSV, TutorialD.Interpreter.Import.BasicExamples, TutorialD.Interpreter.Import.CSV, TutorialD.Interpreter.InformationOperator, TutorialD.Interpreter.RODatabaseContextOperator, TutorialD.Interpreter.TransactionGraphOperator, ProjectM36.Client.Json, ProjectM36.Server.RemoteCallTypes.Json, ProjectM36.Server.WebSocket, TutorialD.Interpreter, TutorialD.Interpreter.Base, TutorialD.Interpreter.DatabaseContextExpr, TutorialD.Interpreter.Import.Base, TutorialD.Interpreter.Import.TutorialD, TutorialD.Interpreter.RelationalExpr, TutorialD.Interpreter.Types, TutorialD.Interpreter.DatabaseContextIOOperator, TutorialD.Interpreter.TransGraphRelationalOperator, TutorialD.Interpreter.SchemaOperator, TutorialD.Printer

422 Other-Modules: TutorialD.Interpreter.Export.Base, TutorialD.Interpreter.Export.CSV, TutorialD.Interpreter.Import.BasicExamples, TutorialD.Interpreter.Import.CSV, TutorialD.Interpreter.InformationOperator, TutorialD.Interpreter.RODatabaseContextOperator, TutorialD.Interpreter.TransactionGraphOperator, ProjectM36.Client.Json, ProjectM36.Server.RemoteCallTypes.Json, ProjectM36.Server.WebSocket, TutorialD.Interpreter, TutorialD.Interpreter.Base, TutorialD.Interpreter.DatabaseContextExpr, TutorialD.Interpreter.Import.Base, TutorialD.Interpreter.Import.TutorialD, TutorialD.Interpreter.RelationalExpr, TutorialD.Interpreter.Types, TutorialD.Interpreter.DatabaseContextIOOperator, TutorialD.Interpreter.TransGraphRelationalOperator, TutorialD.Interpreter.SchemaOperator, TutorialD.Printer

448

423

449Test-Suite test-isomorphic-schemas

424Test-Suite test-isomorphic-schemas

450 import: commontest

425 import: commontest

451 type: exitcode-stdio-1.0

426 type: exitcode-stdio-1.0

452− main-is: IsomorphicSchema.hs

427+ main-is: test/IsomorphicSchema.hs

453

428

454Test-Suite test-atomable

429Test-Suite test-atomable

455 import: commontest

430 import: commontest

456 type: exitcode-stdio-1.0

431 type: exitcode-stdio-1.0

457− main-is: Relation/Atomable.hs

432+ main-is: test/Relation/Atomable.hs

458 Other-Modules: TutorialD.Interpreter, TutorialD.Interpreter.Base, TutorialD.Interpreter.DatabaseContextExpr, TutorialD.Interpreter.DatabaseContextIOOperator, TutorialD.Interpreter.Export.Base, TutorialD.Interpreter.Export.CSV, TutorialD.Interpreter.Import.Base, TutorialD.Interpreter.Import.BasicExamples, TutorialD.Interpreter.Import.CSV, TutorialD.Interpreter.Import.TutorialD, TutorialD.Interpreter.InformationOperator, TutorialD.Interpreter.RODatabaseContextOperator, TutorialD.Interpreter.RelationalExpr, TutorialD.Interpreter.SchemaOperator, TutorialD.Interpreter.TestBase, TutorialD.Interpreter.TransGraphRelationalOperator, TutorialD.Interpreter.TransactionGraphOperator, TutorialD.Interpreter.Types, TutorialD.Printer

433 Other-Modules: TutorialD.Interpreter, TutorialD.Interpreter.Base, TutorialD.Interpreter.DatabaseContextExpr, TutorialD.Interpreter.DatabaseContextIOOperator, TutorialD.Interpreter.Export.Base, TutorialD.Interpreter.Export.CSV, TutorialD.Interpreter.Import.Base, TutorialD.Interpreter.Import.BasicExamples, TutorialD.Interpreter.Import.CSV, TutorialD.Interpreter.Import.TutorialD, TutorialD.Interpreter.InformationOperator, TutorialD.Interpreter.RODatabaseContextOperator, TutorialD.Interpreter.RelationalExpr, TutorialD.Interpreter.SchemaOperator, TutorialD.Interpreter.TestBase, TutorialD.Interpreter.TransGraphRelationalOperator, TutorialD.Interpreter.TransactionGraphOperator, TutorialD.Interpreter.Types, TutorialD.Printer

459

434

460Test-Suite test-multiprocess-access

435Test-Suite test-multiprocess-access

461 import: commontest

436 import: commontest

462 type: exitcode-stdio-1.0

437 type: exitcode-stdio-1.0

463− main-is: MultiProcessDatabaseAccess.hs

438+ main-is: test/MultiProcessDatabaseAccess.hs

464

439

465Test-Suite test-transactiongraph-automerge

440Test-Suite test-transactiongraph-automerge

466 import: commontest

441 import: commontest

467 type: exitcode-stdio-1.0

442 type: exitcode-stdio-1.0

468− main-is: TransactionGraph/Automerge.hs

443+ main-is: test/TransactionGraph/Automerge.hs

469 Other-Modules: TutorialD.Interpreter, TutorialD.Interpreter.Base, TutorialD.Interpreter.DatabaseContextExpr, TutorialD.Interpreter.DatabaseContextIOOperator, TutorialD.Interpreter.Export.Base, TutorialD.Interpreter.Export.CSV, TutorialD.Interpreter.Import.Base, TutorialD.Interpreter.Import.BasicExamples, TutorialD.Interpreter.Import.CSV, TutorialD.Interpreter.Import.TutorialD, TutorialD.Interpreter.InformationOperator, TutorialD.Interpreter.RODatabaseContextOperator, TutorialD.Interpreter.RelationalExpr, TutorialD.Interpreter.SchemaOperator, TutorialD.Interpreter.TestBase, TutorialD.Interpreter.TransGraphRelationalOperator, TutorialD.Interpreter.TransactionGraphOperator, TutorialD.Interpreter.Types, TutorialD.Printer

444 Other-Modules: TutorialD.Interpreter, TutorialD.Interpreter.Base, TutorialD.Interpreter.DatabaseContextExpr, TutorialD.Interpreter.DatabaseContextIOOperator, TutorialD.Interpreter.Export.Base, TutorialD.Interpreter.Export.CSV, TutorialD.Interpreter.Import.Base, TutorialD.Interpreter.Import.BasicExamples, TutorialD.Interpreter.Import.CSV, TutorialD.Interpreter.Import.TutorialD, TutorialD.Interpreter.InformationOperator, TutorialD.Interpreter.RODatabaseContextOperator, TutorialD.Interpreter.RelationalExpr, TutorialD.Interpreter.SchemaOperator, TutorialD.Interpreter.TestBase, TutorialD.Interpreter.TransGraphRelationalOperator, TutorialD.Interpreter.TransactionGraphOperator, TutorialD.Interpreter.Types, TutorialD.Printer

470

445

471Test-Suite test-tupleable

446Test-Suite test-tupleable

472 import: commontest

447 import: commontest

473 type: exitcode-stdio-1.0

448 type: exitcode-stdio-1.0

474− main-is: Relation/Tupleable.hs

449+ main-is: test/Relation/Tupleable.hs

475

450

476Test-Suite test-client-simple

451Test-Suite test-client-simple

477 import: commontest

452 import: commontest

478− Main-Is: Client/Simple.hs

453+ Main-Is: test/Client/Simple.hs

479 type: exitcode-stdio-1.0

454 type: exitcode-stdio-1.0

480

455

481-- test for file handle leaks

456-- test for file handle leaks

482Executable handles

457Executable handles

483 Default-Language: Haskell2010

458 Default-Language: Haskell2010

484 Default-Extensions: OverloadedStrings

459 Default-Extensions: OverloadedStrings

485− Build-Depends: base, HUnit, Cabal, containers, hashable, unordered-containers, mtl, vector, time, hashable-time, bytestring, uuid, stm, deepseq, deepseq-generics,parallel, cassava, attoparsec, gnuplot, directory, temporary, haskeline, megaparsec, text, base64-bytestring, data-interval, filepath, optparse-applicative, stm-containers, list-t, ghc, ghc-paths, transformers, project-m36, random, MonadRandom, semigroups, parser-combinators, prettyprinter, modern-uri, http-types, http-conduit, base16-bytestring, cryptohash-sha256

460+ Build-Depends: base, HUnit, Cabal, containers, hashable, unordered-containers, mtl, vector, vector-binary-instances, time, hashable-time, bytestring, uuid, stm, deepseq, deepseq-generics,parallel, cassava, attoparsec, gnuplot, directory, temporary, haskeline, megaparsec, text, base64-bytestring, data-interval, filepath, optparse-applicative, stm-containers, list-t, ghc, ghc-paths, transformers, project-m36, random, MonadRandom, semigroups, parser-combinators, prettyprinter

486 main-is: benchmark/Handles.hs

461 main-is: benchmark/Handles.hs

487 Other-Modules: TutorialD.Interpreter,

462 Other-Modules: TutorialD.Interpreter,

488 TutorialD.Interpreter.Base,

463 TutorialD.Interpreter.Base,

@@ -506,9 +481,9 @@ Executable handles

506 HS-Source-Dirs: ./src/bin

481 HS-Source-Dirs: ./src/bin

507 if flag(profiler)

482 if flag(profiler)

508 GHC-Prof-Options: -fprof-auto -rtsopts -threaded -Wall

483 GHC-Prof-Options: -fprof-auto -rtsopts -threaded -Wall

509−

484+

510Test-Suite test-dataframe

485Test-Suite test-dataframe

511 import: commontest

486 import: commontest

512 type: exitcode-stdio-1.0

487 type: exitcode-stdio-1.0

513− Main-Is: DataFrame.hs

488+ Main-Is: test/DataFrame.hs

514 Other-Modules: TutorialD.Interpreter, TutorialD.Interpreter.Base, TutorialD.Interpreter.DatabaseContextExpr, TutorialD.Interpreter.DatabaseContextIOOperator, TutorialD.Interpreter.Export.Base, TutorialD.Interpreter.Export.CSV, TutorialD.Interpreter.Import.Base, TutorialD.Interpreter.Import.BasicExamples, TutorialD.Interpreter.Import.CSV, TutorialD.Interpreter.Import.TutorialD, TutorialD.Interpreter.InformationOperator, TutorialD.Interpreter.RODatabaseContextOperator, TutorialD.Interpreter.RelationalExpr, TutorialD.Interpreter.SchemaOperator, TutorialD.Interpreter.TestBase, TutorialD.Interpreter.TransGraphRelationalOperator, TutorialD.Interpreter.TransactionGraphOperator, TutorialD.Interpreter.Types, TutorialD.Printer

489 Other-Modules: TutorialD.Interpreter, TutorialD.Interpreter.Base, TutorialD.Interpreter.DatabaseContextExpr, TutorialD.Interpreter.DatabaseContextIOOperator, TutorialD.Interpreter.Export.Base, TutorialD.Interpreter.Export.CSV, TutorialD.Interpreter.Import.Base, TutorialD.Interpreter.Import.BasicExamples, TutorialD.Interpreter.Import.CSV, TutorialD.Interpreter.Import.TutorialD, TutorialD.Interpreter.InformationOperator, TutorialD.Interpreter.RODatabaseContextOperator, TutorialD.Interpreter.RelationalExpr, TutorialD.Interpreter.SchemaOperator, TutorialD.Interpreter.TestBase, TutorialD.Interpreter.TransGraphRelationalOperator, TutorialD.Interpreter.TransactionGraphOperator, TutorialD.Interpreter.Types, TutorialD.Printer

release.nix+108−16

@@ -1,30 +1,122 @@

1−{ compiler ? "ghc8104"

1+{ compiler ? "ghc865"

2−, sources ? import ./nix/sources.nix

2+, pkgs ? import ./pkgs.nix

3−, pkgs ? import sources.nixpkgs { }

4}:

3}:

4+

5let

6+ inherit (pkgs.lib.trivial) flip pipe;

7+ inherit (pkgs.haskell.lib) appendPatch appendConfigureFlags;

6 doJailbreak = pkgs.haskell.lib.doJailbreak;

8 doJailbreak = pkgs.haskell.lib.doJailbreak;

7− needsCocoa = drv:

9+ dontHaddock = pkgs.haskell.lib.dontHaddock;

8− if pkgs.stdenv.isDarwin

10+ dontCheck = pkgs.haskell.lib.dontCheck;

9− then drv.overrideDerivation (old:

11+ streamly-master = pkgs.fetchFromGitHub {

10− { buildInputs = [ pkgs.darwin.apple_sdk.frameworks.Cocoa ] ++ old.buildInputs; }

12+ owner = "composewell";

11− )

13+ repo = "streamly";

12− else drv;

14+ rev = "ac3af8749194f1788704dda8667d0b3807075cc2";

15+ sha256 = "04d8fk654vawdfs0dfidmq2awwgwi8x44iv8r7vqz70zkcsd5fij";

16+ };

13

17

18+ distProcessPkg = pkg : dontHaddock (doJailbreak (dontCheck pkg));

19+ callHackageDirectWithOptions = {pkg,ver, sha256, options}:

20+ let pkgver = "${pkg}-${ver}";

21+ in

22+ haskellPackages.callCabal2nixWithOptions pkg (pkgs.fetchzip {

23+ url = "mirror://hackage/${pkgver}/${pkgver}.tar.gz";

24+ inherit sha256;

25+ }) options;

26+

14 haskellPackages = pkgs.haskell.packages.${compiler}.override {

27 haskellPackages = pkgs.haskell.packages.${compiler}.override {

15 overrides = self: super: {

28 overrides = self: super: {

16− curryer-rpc = self.callCabal2nix "curryer-rpc" sources.curryer { };

29+ rank1dynamic =

30+ distProcessPkg (self.callHackageDirect {

31+ pkg = "rank1dynamic";

32+ ver = "0.4.0";

33+ sha256 = "1x6p9z53s7xwp93jp4n1lq6m5xspcn6w62p461v8vqnp9600328b";

34+}{});

35+ stm-hamt =

36+ self.callHackageDirect {

37+ pkg = "stm-hamt";

38+ ver = "1.2.0.3";

39+ sha256 = "1i8j7q8nhx3l7gydrjlsyhkvllr6bppgrjf0hp38zpm7p6xcv2bb";

40+ }{};

41+

42+ stm-containers =

43+ self.callHackageDirect {

44+ pkg = "stm-containers";

45+ ver = "1.1.0.4";

46+ sha256 = "0h9z6lawdm44minx9spvdb7sp645l36ri5cnxvhrcxwzr64s7qb5";

47+ }{};

48+

49+ data-interval =

50+ self.callHackageDirect {

51+ pkg = "data-interval";

52+ ver = "2.0.1";

53+ sha256 = "085j4yjr8wimxampxqdrg47p577whwg2mjxgfdl44yfck52fb6an";

54+ }{};

55+

56+ curryer-rpc =

57+ self.callHackageDirect {

58+ pkg = "curryer-rpc";

59+ ver = "0.1";

60+ sha256 = "0vb7q68g4zjm20simnqpjdpvcvh4g8cwlc5b6zjdjpg1rargri41";

61+ }{};

62+

17− streamly = doJailbreak (needsCocoa (self.callCabal2nix "streamly" sources.streamly { }));

63+ streamly = self.callCabal2nix "streamly" streamly-master {};

64+

65+ fusion-plugin-types =

66+ self.callHackageDirect {

67+ pkg = "fusion-plugin-types";

68+ ver = "0.1.0";

69+ sha256 = "17211b80p4zqisghs2j8flm4dj788f9glx2id6nh8f223q4cigc9";

70+ }{};

71+

72+ winery =

73+ self.callHackageDirect {

74+ pkg = "winery";

75+ ver = "1.3.2";

76+ sha256 = "1jc7q8m0zd8bziwa3mra44j518ckc566akk7r5hqpf8x5ng0n4vv";

77+ }{};

78+

79+ barbies-th =

80+ self.callHackageDirect {

81+ pkg = "barbies-th";

82+ ver = "0.1.7";

83+ sha256 = "0gf39kcn6lwqhz888qm3iypma76yrp3zwmif1niry647qq27xp4j";

84+ }{};

85+

86+ barbies =

87+ self.callHackageDirect {

88+ pkg = "barbies";

89+ ver = "2.0.2.0";

90+ sha256 = "0753rd8pw0x1cgasz8a6633kg83jngwzncp9khbimllvcdqzardh";

91+ }{};

92+

93+ prettyprinter =

94+ self.callHackageDirect {

95+ pkg = "prettyprinter";

96+ ver = "1.7.0";

97+ sha256 = "17byy08brwcsl5rqdhibq3pcpgx085shizb2ap6s4xy3izdia3cc";

98+ }{};

99+

100+ prettyprinter-ansi-terminal =

101+ self.callHackageDirect {

102+ pkg = "prettyprinter-ansi-terminal";

103+ ver = "1.1.2";

104+ sha256 = "0lwcqndppw3jc55rlnn6sp76zmjx2yzl21g9jhg27k2rdnjwd7md";

105+ }{};

106+

18− project-m36 = ((self.callCabal2nixWithOptions "project-m36" ./. "-f-haskell-scripting" { }));

107+ project-m36 = dontCheck (self.callCabal2nixWithOptions "project-m36" ./. "-f-haskell-scripting" { });

108+

19 };

109 };

20 };

110 };

111+

112+ project = haskellPackages.project-m36;

21in

113in

22{

114{

23− project = haskellPackages.project-m36;

115+ project = project;

24

116

25 shell = haskellPackages.shellFor {

117 shell = haskellPackages.shellFor {

26− packages = p: [

118+ packages = p: with p; [

27− p.project-m36

119+ project

28 ];

120 ];

29 buildInputs = [

121 buildInputs = [

30 haskellPackages.ghcid

122 haskellPackages.ghcid

@@ -33,4 +125,4 @@ in

33 ];

125 ];

34 withHoogle = true;

126 withHoogle = true;

35 };

127 };

36−}

128+}

scripts/DateExamples.tutd+2−2

@@ -20,7 +20,7 @@ sp := relation{tuple{s# "S1",p# "P1",qty 300},

20 tuple{s# "S3",p# "P2",qty 200},

21 tuple{s# "S4",p# "P4",qty 300},

22 tuple{s# "S4",p# "P5",qty 400}};

23−key s_pkey {s#} s;

23+key s_pkey {s#} s

24−key p_key {p#} p;

24+key p_key {p#} p

25foreign key s_sp_fk sp{s#} in s{s#};

26foreign key p_sp_fk sp{p#} in p{p#};

scripts/multiline.tutddeleted−2

@@ -1,2 +0,0 @@

1−x:=relation{

2−tuple{ x 2}} -- nice

src/bin/ProjectM36/Server/RemoteCallTypes/Json.hs+2−17

@@ -11,7 +11,6 @@ import ProjectM36.Error

11import ProjectM36.IsomorphicSchema

12import ProjectM36.Server.RemoteCallTypes

13import ProjectM36.MerkleHash

14−import ProjectM36.Attribute as A

15

14

16import Data.Aeson

15import Data.Aeson

17import Data.ByteString.Base64 as B64

16import Data.ByteString.Base64 as B64

@@ -45,11 +44,8 @@ instance FromJSON ExecuteRelationalExpr

45instance ToJSON Relation

44instance ToJSON Relation

46instance FromJSON Relation

45instance FromJSON Relation

47

46

48−instance ToJSON Attribute where

47+instance ToJSON Attribute

49− toJSON (Attribute attrName aType) = object [ "name" .= attrName

50− , "type" .= toJSON aType ]

51−instance FromJSON Attribute where

48+instance FromJSON Attribute

52− parseJSON = withObject "Attribute" $ \v -> Attribute <$> v .: "name" <*> v .: "type"

53

49

54instance ToJSON ExtendTupleExpr

50instance ToJSON ExtendTupleExpr

55instance FromJSON ExtendTupleExpr

51instance FromJSON ExtendTupleExpr

@@ -149,12 +145,6 @@ instance FromJSON MerkleHash where

149 Left err -> fail ("Failed to parse merkle hash: " ++ err)

145 Left err -> fail ("Failed to parse merkle hash: " ++ err)

150 Right bs -> pure (MerkleHash bs)

146 Right bs -> pure (MerkleHash bs)

151

147

152−instance ToJSON Attributes where

153− toJSON attrs = object ["attributes" .= map toJSON (A.toList attrs)]

154−instance FromJSON Attributes where

155− parseJSON = withObject "Attributes" $ \o ->

156− A.attributesFromList <$> o .: "attributes"

157−

158instance ToJSON RelationalError

148instance ToJSON RelationalError

159instance FromJSON RelationalError

149instance FromJSON RelationalError

160

150

@@ -164,9 +154,6 @@ instance FromJSON SchemaError

164instance ToJSON MergeError

154instance ToJSON MergeError

165instance FromJSON MergeError

155instance FromJSON MergeError

166

156

167−instance ToJSON ImportError'

168−instance FromJSON ImportError'

169−

170instance ToJSON DatabaseContextFunctionError

157instance ToJSON DatabaseContextFunctionError

171instance FromJSON DatabaseContextFunctionError

158instance FromJSON DatabaseContextFunctionError

172

159

@@ -181,5 +168,3 @@ instance FromJSON AtomFunctionError

181

168

182instance ToJSON WithNameExpr

169instance ToJSON WithNameExpr

183instance FromJSON WithNameExpr

170instance FromJSON WithNameExpr

184−

185−

src/bin/ProjectM36/Server/WebSocket.hs+1−2

@@ -22,7 +22,6 @@ import Data.Attoparsec.Text

22import Control.Applicative

23import Text.Megaparsec.Error

24import Data.Functor

25−import Data.Either (fromRight)

26

25

27#if MIN_VERSION_megaparsec(7,0,0)

26#if MIN_VERSION_megaparsec(7,0,0)

28import Data.List.NonEmpty as NE

27import Data.List.NonEmpty as NE

@@ -118,7 +117,7 @@ promptInfo :: SessionId -> Connection -> IO (HeadName, SchemaName)

118promptInfo sessionId conn = do

117promptInfo sessionId conn = do

119 eHeadName <- headName sessionId conn

118 eHeadName <- headName sessionId conn

120 eSchemaName <- currentSchemaName sessionId conn

119 eSchemaName <- currentSchemaName sessionId conn

121− pure (fromRight "<unknown>" eHeadName, fromRight "<no schema>" eSchemaName)

120+ pure (either (const "<unknown>") id eHeadName, either (const "<no schema>") id eSchemaName)

122

121

123sendPromptInfo :: (HeadName, SchemaName) -> WS.Connection -> IO ()

122sendPromptInfo :: (HeadName, SchemaName) -> WS.Connection -> IO ()

124sendPromptInfo (hName, sName) conn = WS.sendTextData conn (encode (object ["promptInfo" .= object ["headname" .= hName, "schemaname" .= sName]]))

123sendPromptInfo (hName, sName) conn = WS.sendTextData conn (encode (object ["promptInfo" .= object ["headname" .= hName, "schemaname" .= sName]]))

src/bin/ProjectM36/Server/WebSocket/websocket-client.html+1−1

@@ -126,7 +126,7 @@ margin-bottom: 5pt;

126 <li>:showrelvars</li>

127 <li>:showexpr true</li>

128 <li>:showexpr false</li>

129− <li>:importexample cjdate</li>

129+ <li>:importexample date</li>

130 <li>:showexpr s join sp</li>

131 <li>update s where city="Paris" (status:=10)</li>

132 <li>:showexpr s</li>

src/bin/ProjectM36/Server/WebSocket/websocket-server.hs+9−42

@@ -1,40 +1,23 @@

1{-# LANGUAGE CPP #-}

2−

2+import ProjectM36.Server.WebSocket

3+import ProjectM36.Server.Config

4+import ProjectM36.Server.ParseArgs

5+import ProjectM36.Server

3import Control.Concurrent

6import Control.Concurrent

7+import qualified Network.WebSockets as WS

4import Control.Exception

8import Control.Exception

5−import Control.Monad (when)

6−import Data.Maybe (isJust)

7−import Data.String (fromString)

8−import Network.HTTP.Types (status400)

9import Network.Socket

10−import Network.Wai (Application, responseLBS)

11−import Network.Wai.Handler.Warp

12−import Network.Wai.Handler.WarpTLS (runTLS, tlsSettings)

13−import qualified Network.Wai.Handler.WebSockets as WS

14−import Network.WebSockets (defaultConnectionOptions)

15−import ProjectM36.Server

16−import ProjectM36.Server.Config

17−import ProjectM36.Server.ParseArgs

18−import ProjectM36.Server.WebSocket

19

10

20main :: IO ()

11main :: IO ()

21main = do

12main = do

22 -- launch normal project-m36-server

13 -- launch normal project-m36-server

23 addressMVar <- newEmptyMVar

14 addressMVar <- newEmptyMVar

24− wsConfig <- parseWSConfigWithDefaults (defaultServerConfig {bindPort = 8000, bindHost = "127.0.0.1"})

15+ serverConfig <- parseConfigWithDefaults (defaultServerConfig { bindPort = 8000, bindHost = "127.0.0.1" })

25−

26 --usurp the serverConfig for our websocket server and make the proxied server run locally

16 --usurp the serverConfig for our websocket server and make the proxied server run locally

27− let serverConfig = wsServerConfig wsConfig

28− wsHost = bindHost serverConfig

17+ let wsHost = bindHost serverConfig

29 wsPort = bindPort serverConfig

18 wsPort = bindPort serverConfig

30 serverHost = "127.0.0.1"

19 serverHost = "127.0.0.1"

31 serverConfig' = serverConfig {bindPort = 0, bindHost = serverHost}

20 serverConfig' = serverConfig {bindPort = 0, bindHost = serverHost}

32− configCertificateFile = tlsCertificatePath wsConfig

33− configKeyFile = tlsKeyPath wsConfig

34−

35− when (isJust configCertificateFile /= isJust configKeyFile) $

36− throwIO $ ErrorCall "TLS_CERTIFICATE_PATH and TLS_KEY_PATH must be set in tandem"

37−

38 _ <- forkFinally (launchServer serverConfig' (Just addressMVar) >> pure ()) (either throwIO pure)

21 _ <- forkFinally (launchServer serverConfig' (Just addressMVar) >> pure ()) (either throwIO pure)

39 --wait for server to be listening

22 --wait for server to be listening

40 addr <- takeMVar addressMVar

23 addr <- takeMVar addressMVar

@@ -42,22 +25,6 @@ main = do

42 case addr of

25 case addr of

43 SockAddrInet port' _ -> fromIntegral port'

26 SockAddrInet port' _ -> fromIntegral port'

44 _ -> error "unsupported socket address (IPv4 only currently)"

27 _ -> error "unsupported socket address (IPv4 only currently)"

45− wsApp = websocketProxyServer port serverHost

28+ --this built-in server is apparently not meant for production use, but it's easier to test than starting up the wai or snap interfaces

46− waiApp = WS.websocketsOr defaultConnectionOptions wsApp backupApp

47− settings = warpSettings wsHost (fromIntegral wsPort)

29+ WS.runServer wsHost (fromIntegral wsPort) (websocketProxyServer port serverHost)

48−

49− case (configCertificateFile, configKeyFile) of

50− (Just certificate, Just key) -> runTLS (tlsSettings certificate key) settings waiApp

51− _ -> runSettings settings waiApp

52−

53−backupApp :: Application

54−backupApp _ respond = respond $ responseLBS status400 [] "Not a WebSocket request"

55

30

56−warpSettings :: HostName -> Port -> Settings

57−warpSettings host port =

58− setHost (fromString host)

59− . setPort port

60− . setServerName "project-m36"

61− . setTimeout 3600

62− . setGracefulShutdownTimeout (Just 5)

63− $ defaultSettings

src/bin/TutorialD/Interpreter.hs+1−3

@@ -34,7 +34,6 @@ import Data.Monoid

34import Data.List (isPrefixOf)

35import Control.Exception

36import System.Exit

37−import Data.Either (fromRight)

38

37

39{-

38{-

40context ops are read-only operations which only operate on the database context (relvars and constraints)

39context ops are read-only operations which only operate on the database context (relvars and constraints)

@@ -78,7 +77,7 @@ safeInterpreterParserP = fmap RODatabaseContextOp (roDatabaseContextOperatorP <*

78promptText :: Either RelationalError HeadName -> Either RelationalError SchemaName -> StringType

77promptText :: Either RelationalError HeadName -> Either RelationalError SchemaName -> StringType

79promptText eHeadName eSchemaName = "TutorialD (" <> transInfo <> "): "

78promptText eHeadName eSchemaName = "TutorialD (" <> transInfo <> "): "

80 where

79 where

81− transInfo = fromRight "<unknown>" eHeadName <> "/" <> fromRight "<no schema>" eSchemaName

80+ transInfo = either (const "<unknown>") id eHeadName <> "/" <> either (const "<no schema>") id eSchemaName

82

81

83parseTutorialD :: T.Text -> Either ParserError ParsedOperation

82parseTutorialD :: T.Text -> Either ParserError ParsedOperation

84parseTutorialD = parse interpreterParserP ""

83parseTutorialD = parse interpreterParserP ""

@@ -216,7 +215,6 @@ evalTutorialDInteractive sessionId conn safe interactive expr = case expr of

216 unsafeError = pure $ DisplayErrorResult "File I/O operation prohibited."

215 unsafeError = pure $ DisplayErrorResult "File I/O operation prohibited."

217 barf :: RelationalError -> IO TutorialDOperatorResult

216 barf :: RelationalError -> IO TutorialDOperatorResult

218 barf (ScriptError (OtherScriptCompilationError errStr)) = pure (DisplayErrorResult (T.pack errStr))

217 barf (ScriptError (OtherScriptCompilationError errStr)) = pure (DisplayErrorResult (T.pack errStr))

219− barf (ParseError err) = pure (DisplayErrorResult err)

220 barf err = return $ DisplayErrorResult (T.pack (show err))

218 barf err = return $ DisplayErrorResult (T.pack (show err))

221 eHandler io = do

219 eHandler io = do

222 eErr <- io

220 eErr <- io

src/bin/TutorialD/Interpreter/Base.hs+6−21

@@ -12,12 +12,11 @@ module TutorialD.Interpreter.Base (

12 where

13import ProjectM36.Base

14import ProjectM36.AtomType

15−import ProjectM36.Attribute as A

16import ProjectM36.Relation

15import ProjectM36.Relation

17import ProjectM36.DataFrame

16import ProjectM36.DataFrame

18

17

19#if MIN_VERSION_megaparsec(6,0,0)

18#if MIN_VERSION_megaparsec(6,0,0)

20−import Text.Megaparsec.Char

19+import Text.Megaparsec.Char

21import qualified Text.Megaparsec.Char.Lexer as Lex

20import qualified Text.Megaparsec.Char.Lexer as Lex

22import Text.Megaparsec

21import Text.Megaparsec

23import Data.Void

22import Data.Void

@@ -31,6 +30,7 @@ import Data.Text hiding (count)

31import System.Random

30import System.Random

32import qualified Data.Text as T

31import qualified Data.Text as T

33import qualified Data.List as L

32import qualified Data.List as L

33+import qualified Data.Vector as V

34import qualified Data.Text.IO as TIO

35import System.IO

36import ProjectM36.Relation.Show.Term

@@ -44,7 +44,6 @@ import Data.List.NonEmpty as NE

44import Data.Time.Clock

45import Data.Time.Format

46import Control.Monad (void)

47−import Data.Char

48

47

49#if !MIN_VERSION_megaparsec(7,0,0)

48#if !MIN_VERSION_megaparsec(7,0,0)

50anySingle :: Parsec Void Text (Token Text)

49anySingle :: Parsec Void Text (Token Text)

@@ -82,9 +81,8 @@ type ParseStr = Text

82type ParseStr = String

81type ParseStr = String

83#endif

82#endif

84

83

85−-- consumes only horizontal spaces

86spaceConsumer :: Parser ()

84spaceConsumer :: Parser ()

87−spaceConsumer = Lex.space space1 (Lex.skipLineComment "--") (Lex.skipBlockComment "{-" "-}")

85+spaceConsumer = Lex.space (void spaceChar) (Lex.skipLineComment "--") (Lex.skipBlockComment "{-" "-}")

88

86

89opChar :: Parser Char

87opChar :: Parser Char

90opChar = oneOf (":!#$%&*+./<=>?\\^|-~" :: String)-- remove "@" so it can be used as attribute marker without spaces

88opChar = oneOf (":!#$%&*+./<=>?\\^|-~" :: String)-- remove "@" so it can be used as attribute marker without spaces

@@ -137,9 +135,6 @@ arrow = symbol "->"

137semi :: Parser Text

135semi :: Parser Text

138semi = symbol ";"

136semi = symbol ";"

139

137

140−nline :: Parser Text

141−nline = (T.singleton <$> newline) <|> crlf

142−

143integer :: Parser Integer

138integer :: Parser Integer

144#if MIN_VERSION_megaparsec(6,0,0)

139#if MIN_VERSION_megaparsec(6,0,0)

145integer = Lex.signed (pure ()) Lex.decimal <* spaceConsumer

140integer = Lex.signed (pure ()) Lex.decimal <* spaceConsumer

@@ -155,7 +150,7 @@ natural = Lex.integer <* spaceConsumer

155#endif

150#endif

156

151

157float :: Parser Double

152float :: Parser Double

158−float = Lex.float <* spaceConsumer

153+float = Lex.float

159

154

160capitalizedIdentifier :: Parser Text

155capitalizedIdentifier :: Parser Text

161capitalizedIdentifier =

156capitalizedIdentifier =

@@ -168,8 +163,8 @@ uncapitalizedIdentifier =

168showRelationAttributes :: Attributes -> Text

163showRelationAttributes :: Attributes -> Text

169showRelationAttributes attrs = "{" <> T.concat (L.intersperse ", " $ L.map showAttribute attrsL) <> "}"

164showRelationAttributes attrs = "{" <> T.concat (L.intersperse ", " $ L.map showAttribute attrsL) <> "}"

170 where

165 where

171− showAttribute (Attribute name atomType') = name <> " " <> prettyAtomType atomType'

166+ showAttribute (Attribute name atomType) = name <> " " <> prettyAtomType atomType

172− attrsL = A.toList attrs

167+ attrsL = V.toList attrs

173

168

174type PromptLength = Int

169type PromptLength = Int

175

170

@@ -205,9 +200,6 @@ normalQuotedString = quote *> (T.pack <$> manyTill Lex.charLiteral quote)

205quotedString :: Parser Text

200quotedString :: Parser Text

206quotedString = try tripleQuotedString <|> normalQuotedString

201quotedString = try tripleQuotedString <|> normalQuotedString

207

202

208−quoted :: Parser a -> Parser a

209−quoted = between quote quote

210−

211uuidP :: Parser U.UUID

203uuidP :: Parser U.UUID

212uuidP = do

204uuidP = do

213 uuidStart <- count 8 hexDigitChar

205 uuidStart <- count 8 hexDigitChar

@@ -236,10 +228,3 @@ colonOp :: Text -> Parser ()

236colonOp opStr = do

228colonOp opStr = do

237 _ <- string opStr <* (void spaceChar <|> eof) <* spaceConsumer

229 _ <- string opStr <* (void spaceChar <|> eof) <* spaceConsumer

238 pure ()

230 pure ()

239−

240−hex :: Parser Text

241−hex = takeWhileP (Just "hexadecimal")

242− (\c ->

243− isDigit c

244− || (c >= 'a' && c <= 'f'))

245−

src/bin/TutorialD/Interpreter/DatabaseContextExpr.hs+2−3

@@ -53,9 +53,8 @@ multilineSep :: Parser T.Text

53multilineSep = newline >> pure "\n"

54

55multipleDatabaseContextExprP :: Parser DatabaseContextExpr

56−multipleDatabaseContextExprP = do

56+multipleDatabaseContextExprP =

57− exprs <- filter (/= NoOperation) <$> sepBy1 databaseContextExprP semi

57+ MultipleExpr <$> sepBy1 databaseContextExprP semi

58− pure (MultipleExpr exprs)

59

58

60insertP :: Parser DatabaseContextExpr

59insertP :: Parser DatabaseContextExpr

61insertP = do

60insertP = do

src/bin/TutorialD/Interpreter/Import/Base.hs+3−8

@@ -2,8 +2,6 @@

2module TutorialD.Interpreter.Import.Base where

3import ProjectM36.Base

4import ProjectM36.Error

5−import Text.URI (URI)

6−import Data.Text (Text)

7#if __GLASGOW_HASKELL__ < 804

5#if __GLASGOW_HASKELL__ < 804

8import Data.Monoid

6import Data.Monoid

9#endif

7#endif

@@ -14,14 +12,11 @@ data RelVarDataImportOperator = RelVarDataImportOperator RelVarName FilePath (Re

14instance Show RelVarDataImportOperator where

12instance Show RelVarDataImportOperator where

15 show (RelVarDataImportOperator rv path _) = "RelVarDataImportOperator " <> show rv <> " " <> path

13 show (RelVarDataImportOperator rv path _) = "RelVarDataImportOperator " <> show rv <> " " <> path

16

14

17−type HashVerification = Maybe Text

18−

19-- | import data into a database context

15-- | import data into a database context

20−data DatabaseContextDataImportOperator = DatabaseContextDataImportOperator URI HashVerification (URI -> HashVerification -> IO (Either RelationalError DatabaseContextExpr))

16+data DatabaseContextDataImportOperator = DatabaseContextDataImportOperator FilePath (FilePath -> IO (Either RelationalError DatabaseContextExpr))

21

17

22instance Show DatabaseContextDataImportOperator where

18instance Show DatabaseContextDataImportOperator where

23− show (DatabaseContextDataImportOperator uri hash _) =

19+ show (DatabaseContextDataImportOperator path _) = "DatabaseContextDataImportOperator " <> path

24− "DatabaseContextDataImportOperator " <> show uri <> " " <> show hash

25

20

26-- perhaps create a structure to import a whole transaction graph section in the future

21-- perhaps create a structure to import a whole transaction graph section in the future

27

22

@@ -29,4 +24,4 @@ evalRelVarDataImportOperator :: RelVarDataImportOperator -> TypeConstructorMappi

29evalRelVarDataImportOperator (RelVarDataImportOperator relVarName path importFunc) tConsMap attrs = importFunc relVarName tConsMap attrs path

24evalRelVarDataImportOperator (RelVarDataImportOperator relVarName path importFunc) tConsMap attrs = importFunc relVarName tConsMap attrs path

30

25

31evalDatabaseContextDataImportOperator :: DatabaseContextDataImportOperator -> IO (Either RelationalError DatabaseContextExpr)

26evalDatabaseContextDataImportOperator :: DatabaseContextDataImportOperator -> IO (Either RelationalError DatabaseContextExpr)

32−evalDatabaseContextDataImportOperator (DatabaseContextDataImportOperator uri hash importFunc) = importFunc uri hash

27+evalDatabaseContextDataImportOperator (DatabaseContextDataImportOperator path importFunc) = importFunc path

src/bin/TutorialD/Interpreter/Import/BasicExamples.hs+2−2

@@ -20,8 +20,8 @@ importBasicExampleOperatorP :: Parser ImportBasicExampleOperator

20importBasicExampleOperatorP = do

21 reservedOp ":importexample"

22 example <- identifier

23− if example == "cjdate" then

23+ if example == "date" then

24 pure ImportBasicDateExampleOperator

25 else

26 fail "Unknown example name"

27−

27+

src/bin/TutorialD/Interpreter/Import/CSV.hs+3−3

@@ -14,10 +14,10 @@ importCSVRelation relVarName tConsMap attrs pathIn = do

14 --TODO: handle filesystem errors

15 csvData <- try (BS.readFile pathIn) :: IO (Either IOError BS.ByteString)

16 case csvData of

17− Left err -> pure $ Left (ImportError (ImportFileError (T.pack (show err))))

17+ Left err -> return $ Left (ImportError $ T.pack (show err))

18 Right csvData' -> case csvAsRelation attrs tConsMap csvData' of

19− Left err -> pure $ Left (ParseError $ T.pack (show err))

19+ Left err -> return $ Left (ParseError $ T.pack (show err))

20− Right csvRel -> pure $ Right (Insert relVarName (ExistingRelation csvRel))

20+ Right csvRel -> return $ Right (Insert relVarName (ExistingRelation csvRel))

21

22importCSVP :: Parser RelVarDataImportOperator

23importCSVP = do

src/bin/TutorialD/Interpreter/Import/TutorialD.hs+17−70

@@ -9,78 +9,25 @@ import qualified Data.Text as T

9import Control.Exception

10import qualified Data.ByteString as BS

11import qualified Data.Text.Encoding as TE

12−import qualified Text.URI as URI

13−import Text.URI (URI)

14−import Crypto.Hash.SHA256

15−import Data.ByteString.Base16 as B16

16−import Network.HTTP.Simple

17−import Network.HTTP.Types

18−--import a file containing TutorialD database context expressions via local files or HTTP/HTTPS

12+--import a file containing TutorialD database context expressions

19

13

20−importTutorialDFromFile :: URI -> HashVerification -> IO (Either RelationalError DatabaseContextExpr)

14+importTutorialD :: FilePath -> IO (Either RelationalError DatabaseContextExpr)

21−importTutorialDFromFile fileURI mHash = do

15+importTutorialD pathIn = do

22− case URI.uriPath fileURI of

23− Just (False, _) -> do

24− eTutdBytes <- try (BS.readFile filePath) :: IO (Either IOError BS.ByteString)

16+ eTutdBytes <- try (BS.readFile pathIn) :: IO (Either IOError BS.ByteString)

25− case eTutdBytes of

17+ case eTutdBytes of

26− Left err -> pure $ Left (ImportError (ImportFileError (T.pack (show err))))

18+ Left err -> return $ Left (ImportError $ T.pack (show err))

27− Right tutdBytes ->

19+ Right tutdBytes ->

28− case validateBytes tutdBytes mHash of

29− Left err -> pure (Left err)

30− Right tutdBytes' -> importTutorialDBytes tutdBytes'

31− _ -> pure (Left (ImportError (InvalidFileURIError (URI.render fileURI))))

32− where

33− filePath = drop (length ("file://" :: String)) (URI.renderStr fileURI)

34−

35−

36−importTutorialDBytes :: BS.ByteString -> IO (Either RelationalError DatabaseContextExpr)

37−importTutorialDBytes tutdBytes =

38− case TE.decodeUtf8' tutdBytes of

20+ case TE.decodeUtf8' tutdBytes of

39− Left err -> pure (Left (ImportError (ImportFileDecodeError (T.pack (show err)))))

21+ Left err -> pure (Left (ImportError $ T.pack (show err)))

40− Right tutdUtf8 ->

22+ Right tutdUtf8 ->

41− case parse (multipleDatabaseContextExprP <* eof) "import" tutdUtf8 of

23+ case parse multipleDatabaseContextExprP "import" tutdUtf8 of

42− --parseErrorPretty is new in megaparsec 5

24+ --parseErrorPretty is new in megaparsec 5

43− Left err -> pure (Left (PM36E.ParseError (T.pack (errorBundlePretty err))))

25+ Left err -> pure (Left (PM36E.ParseError (T.pack (show err))))

44− Right expr -> pure (Right expr)

26+ Right expr -> pure (Right expr)

45−

27+

46−importTutorialDViaHTTP :: URI -> HashVerification -> IO (Either RelationalError DatabaseContextExpr)

47−importTutorialDViaHTTP uri mHash = do

48− reqURI <- parseRequest (URI.renderStr uri)

49− response <- httpBS reqURI

50− let scode = getResponseStatus response

51− if scode == ok200 then

52− let byteBody = getResponseBody response in

53− case validateBytes byteBody mHash of

54− Right byteBody' -> do

55− importTutorialDBytes byteBody'

56− Left err -> pure (Left err)

57− else

58− pure (Left (ImportError (ImportDownloadError (T.pack ("download failed: " <> show scode)))))

59−

60−validateBytes :: BS.ByteString -> HashVerification -> Either RelationalError BS.ByteString

61−validateBytes tutdBytes mHash =

62− case mHash of

63− Nothing -> pure tutdBytes

64− Just expectedHashText ->

65− case B16.decode (TE.encodeUtf8 expectedHashText) of

66− Left _ -> Left (ImportError (InvalidSHA256Error expectedHashText))

67− Right expectedHash | hashBytes == expectedHash -> pure tutdBytes

68− | otherwise ->

69− let p = TE.decodeUtf8 . B16.encode in

70− Left (ImportError (SHA256MismatchError (p expectedHash) (p hashBytes)))

71− where

72− hashBytes = hash tutdBytes

73−

74−

75tutdImportP :: Parser DatabaseContextDataImportOperator

28tutdImportP :: Parser DatabaseContextDataImportOperator

76tutdImportP = do

29tutdImportP = do

77 reserved ":importtutd"

30 reserved ":importtutd"

78− uri <- quoted URI.parser

31+ path <- quotedString

79 spaceConsumer

32 spaceConsumer

80− mhash <- optional (quoted hex)

81− handler <- case URI.unRText <$> URI.uriScheme uri of

82− Nothing -> fail "URI scheme missing"

83− Just "file" -> pure importTutorialDFromFile

84− Just scheme | scheme `elem` ["http", "https"] -> pure importTutorialDViaHTTP

85− | otherwise -> fail ( "unsupported URI scheme: " <> show scheme)

86− pure $ DatabaseContextDataImportOperator uri mhash handler

33+ return $ DatabaseContextDataImportOperator (T.unpack path) importTutorialD

src/bin/TutorialD/Interpreter/RelationalExpr.hs+2−3

@@ -216,7 +216,6 @@ consumeAtomExprP consume = try functionAtomExprP <|>

216 attributeAtomExprP <|>

217 try nakedAtomExprP <|>

218 relationalAtomExprP

219−

220

219

221attributeAtomExprP :: Parser (AtomExprBase a)

220attributeAtomExprP :: Parser (AtomExprBase a)

222attributeAtomExprP = do

221attributeAtomExprP = do

@@ -235,7 +234,7 @@ constructedAtomExprP consume = do

235-- used only for primitive type parsing ?

234-- used only for primitive type parsing ?

236atomP :: Parser Atom

235atomP :: Parser Atom

237atomP = stringAtomP <|>

236atomP = stringAtomP <|>

238− try doubleAtomP <|>

237+ doubleAtomP <|>

239 integerAtomP <|>

238 integerAtomP <|>

240 boolAtomP

239 boolAtomP

241

240

@@ -250,7 +249,7 @@ stringAtomP :: Parser Atom

250stringAtomP = TextAtom <$> quotedString

249stringAtomP = TextAtom <$> quotedString

251

250

252doubleAtomP :: Parser Atom

251doubleAtomP :: Parser Atom

253−doubleAtomP = DoubleAtom <$> float

252+doubleAtomP = DoubleAtom <$> try float

254

253

255integerAtomP :: Parser Atom

254integerAtomP :: Parser Atom

256integerAtomP = IntegerAtom <$> integer

255integerAtomP = IntegerAtom <$> integer

src/bin/TutorialD/Printer.hs+6−6

@@ -5,7 +5,7 @@

5{-# LANGUAGE TypeApplications #-}

6module TutorialD.Printer where

7import ProjectM36.Base

8−import ProjectM36.Attribute as A hiding (null)

8+import ProjectM36.Attribute hiding (null)

9import Data.Text.Prettyprint.Doc

10import qualified Data.Set as S hiding (fromList)

11import qualified Data.Vector as V

@@ -60,9 +60,9 @@ instance Pretty RelationTuple where

60 pretty (RelationTuple attrs atoms) = "tuple" <> bracesList (zipWith (\x y-> pretty x <+> pretty y) (V.toList (attributeNames attrs)) (V.toList atoms))

61

62instance Pretty Relation where

63− pretty (Relation attrs tupSet) | attrs == mempty && null (asList tupSet) = "false"

63+ pretty (Relation attrs tupSet) | attrs == V.empty && null (asList tupSet) = "false"

64− pretty (Relation attrs tupSet) | attrs == mempty && asList tupSet == [RelationTuple mempty mempty] = "true"

64+ pretty (Relation attrs tupSet) | attrs == V.empty && asList tupSet == [RelationTuple V.empty V.empty] = "true"

65− pretty (Relation attrs tupSet) = "relation" <> prettyBracesList (A.toList attrs) <> prettyBracesList (asList tupSet)

65+ pretty (Relation attrs tupSet) = "relation" <> prettyBracesList (V.toList attrs) <> prettyBracesList (asList tupSet)

66

67instance Pretty Attribute where

68 pretty (Attribute n aTy) = pretty n <+> pretty (show aTy) -- workaround

@@ -76,7 +76,7 @@ instance Pretty RelationalExpr where

76 pretty (Extend ext r) = collectExtends r <> pretty ext <> "}"

77 pretty (MakeRelationFromExprs Nothing (TupleExprs () tupExprs)) = "relation" <> prettyBracesList tupExprs

78 pretty (MakeRelationFromExprs (Just attrExprs) (TupleExprs () tupExprs)) = "relation" <> prettyBracesList attrExprs <> prettyBracesList tupExprs

79− pretty (MakeStaticRelation attrs tupSet) = "relation" <> prettyBracesList (A.toList attrs) <> prettyBracesList (asList tupSet)

79+ pretty (MakeStaticRelation attrs tupSet) = "relation" <> prettyBracesList (V.toList attrs) <> prettyBracesList (asList tupSet)

80 pretty (Union a b) = parens $ pretty' a <+> "union" <+> pretty' b

81 pretty (Join a b) = parens $ pretty' a <+> "join" <+> pretty' b

82 pretty (Rename n1 n2 relExpr) = parens $ pretty relExpr <+> "rename" <+> braces (pretty n1 <+> "as" <+> pretty n2)

@@ -130,7 +130,7 @@ instance Pretty AtomType where

130 pretty DateTimeAtomType = "DateTime"

131 pretty ByteStringAtomType = "ByteString"

132 pretty BoolAtomType = "Bool"

133− pretty (RelationAtomType attrs) = "relation " <+> prettyBracesList (A.toList attrs)

133+ pretty (RelationAtomType attrs) = "relation " <+> prettyBracesList (V.toList attrs)

134 pretty (ConstructedAtomType tcName tvMap) = pretty tcName <+> hsep (map pretty (M.toList tvMap)) --order matters

135 pretty RelationalExprAtomType = "RelationalExpr"

136 pretty (TypeVariableType x) = pretty x

src/lib/ProjectM36/Arbitrary.hs+1−1

@@ -84,7 +84,7 @@ maybeToRight y Nothing = Left y

84arbitraryRelationTuple :: Attributes -> WithTCMap Gen (Either RelationalError RelationTuple)

85arbitraryRelationTuple attris = do

86 tcMap <- ask

87− listOfMaybeAType <- lift $ mapM ((\aTy -> runReaderT (arbitrary' aTy) tcMap) . atomType) (V.toList (attributesVec attris))

87+ listOfMaybeAType <- lift $ mapM ((\aTy -> runReaderT (arbitrary' aTy) tcMap) . atomType) (V.toList attris)

88 case sequence listOfMaybeAType of

89 Left err -> pure $ Left err

90 Right listOfAttr -> do

src/lib/ProjectM36/AtomType.hs+7−7

@@ -211,7 +211,7 @@ isValidAtomTypeForTypeConstructor (ConstructedAtomType tConsName _) (ADTypeConst

211

212isValidAtomTypeForTypeConstructor (RelationAtomType attrs) (RelationAtomTypeConstructor attrExprs) tConsMap = do

213 evaldAtomTypes <- mapM (\expr -> atomTypeForAttributeExpr expr tConsMap M.empty) attrExprs

214− mapM_ (uncurry resolveAtomType) (zip (A.atomTypesList attrs) evaldAtomTypes)

214+ mapM_ (uncurry resolveAtomType) (zip (map A.atomType (V.toList attrs)) evaldAtomTypes)

215isValidAtomTypeForTypeConstructor aType tCons _ = Left (AtomTypeTypeConstructorReconciliationError aType (TC.name tCons))

216

217findTypeConstructor :: TypeConstructorName -> TypeConstructorMapping -> Maybe (TypeConstructorDef, [DataConstructorDef])

@@ -295,7 +295,7 @@ resolveTypeInAtom _ atom _ = Right atom

295-- Example: "Nothing" does not specify the the argument in "Maybe a", so allow delayed resolution in the tuple before it is added to the relation. Note that this resolution could cause a type error. Hardly a Hindley-Milner system.

296resolveTypesInTuple :: Attributes -> TypeConstructorMapping -> RelationTuple -> Either RelationalError RelationTuple

297resolveTypesInTuple resolvedAttrs tConss (RelationTuple _ tupAtoms) = do

298− newAtoms <- mapM (\(atom, resolvedType) -> resolveTypeInAtom resolvedType atom tConss) (zip (V.toList tupAtoms) $ A.atomTypesList resolvedAttrs)

298+ newAtoms <- mapM (\(atom, resolvedType) -> resolveTypeInAtom resolvedType atom tConss) (zip (V.toList tupAtoms) $ map A.atomType (V.toList resolvedAttrs))

299 Right (RelationTuple resolvedAttrs (V.fromList newAtoms))

300

301-- | Validate that the type is provided with complete type variables for type constructors.

@@ -314,7 +314,7 @@ validateAtomType typ@(ConstructedAtomType tConsName tVarMap) tConss =

314 _ -> Right ()

315validateAtomType (RelationAtomType attrs) tConss =

316 mapM_ (\attr ->

317− validateAtomType (A.atomType attr) tConss) (attributesVec attrs)

317+ validateAtomType (A.atomType attr) tConss) (V.toList attrs)

318validateAtomType (TypeVariableType x) _ = Left (TypeConstructorTypeVarMissing x)

319validateAtomType _ _ = pure ()

320

@@ -325,7 +325,7 @@ validateAttributes tConss attrs =

325 else

326 pure ()

327 where

328− errs = lefts $ map (`validateAtomType` tConss) (A.atomTypesList attrs)

328+ errs = lefts $ map ((`validateAtomType` tConss) . A.atomType) (V.toList attrs)

329

330--ensure that all type vars are fully resolved

331validateTypeVarMap :: TypeVarMap -> TypeConstructorMapping -> Either RelationalError ()

@@ -358,7 +358,7 @@ atomTypeVerify x@(RelationAtomType attrs1) y@(RelationAtomType attrs2) = do

358 if notElem "_" [name1, name2] && name1 /= name2 then

359 Left $ AtomTypeMismatchError x y

360 else

361− atomTypeVerify (A.atomType attr1) (A.atomType attr2)) $ V.toList (V.zip (attributesVec attrs1) (attributesVec attrs2))

361+ atomTypeVerify (A.atomType attr1) (A.atomType attr2)) $ V.toList (V.zip attrs1 attrs2)

362 return x

363atomTypeVerify x y = if x == y then

364 Right x

@@ -375,7 +375,7 @@ typeVarMapsVerify a b = M.keysSet a == M.keysSet b && (length . rights) zipped =

375 (M.toAscList b)

376

377prettyAtomType :: AtomType -> T.Text

378−prettyAtomType (RelationAtomType attrs) = "relation {" `T.append` T.intercalate "," (map prettyAttribute (V.toList (attributesVec attrs))) `T.append` "}"

378+prettyAtomType (RelationAtomType attrs) = "relation {" `T.append` T.intercalate "," (map prettyAttribute (V.toList attrs)) `T.append` "}"

379prettyAtomType (ConstructedAtomType tConsName typeVarMap) = tConsName `T.append` T.concat (map showTypeVars (M.toList typeVarMap))

380 where

381 showTypeVars (_, TypeVariableType x) = " " <> x

@@ -448,7 +448,7 @@ isResolvedType typ =

448 TypeVariableType _ -> False

449

450isResolvedAttributes :: Attributes -> Bool

451−isResolvedAttributes attrs = all isResolvedAttribute (V.toList (attributesVec attrs))

451+isResolvedAttributes attrs = all isResolvedAttribute (V.toList attrs)

452

453isResolvedAttribute :: Attribute -> Bool

454isResolvedAttribute = isResolvedType . A.atomType

src/lib/ProjectM36/Atomable.hs+1−1

@@ -237,7 +237,7 @@ typeToTypeConstructor x@ByteStringAtomType = PrimitiveTypeConstructor "ByteStrin

237typeToTypeConstructor x@BoolAtomType = PrimitiveTypeConstructor "Bool" x

238typeToTypeConstructor x@RelationalExprAtomType = PrimitiveTypeConstructor "RelationalExpr" x

239typeToTypeConstructor (RelationAtomType attrs)

240− = RelationAtomTypeConstructor $ map attrToAttrExpr $ V.toList (attributesVec attrs)

240+ = RelationAtomTypeConstructor $ map attrToAttrExpr $ V.toList attrs

241 where

242 attrToAttrExpr (Attribute n t) = AttributeAndTypeNameExpr n (typeToTypeConstructor t) ()

243typeToTypeConstructor (ConstructedAtomType tcName tvMap)

src/lib/ProjectM36/Attribute.hs+29−148

@@ -1,4 +1,3 @@

1−{-# OPTIONS_GHC -fno-warn-orphans #-}

2module ProjectM36.Attribute where

1module ProjectM36.Attribute where

3import ProjectM36.Base

2import ProjectM36.Base

4import ProjectM36.Error

3import ProjectM36.Error

@@ -11,54 +10,16 @@ import qualified Data.Map as M

11import Data.Either

10import Data.Either

12

11

13arity :: Attributes -> Int

12arity :: Attributes -> Int

14−arity a = V.length (attributesVec a)

13+arity = V.length

15−

16−instance Semigroup Attributes where

17− attrsA <> attrsB =

18− case joinAttributes attrsA attrsB of

19− Left err -> error (show err)

20− Right attrs' -> attrs'

21−

22−instance Monoid Attributes where

23− mempty = Attributes {

24− attributesVec = mempty

25− --,attributeSet = mempty

26− }

27

14

28emptyAttributes :: Attributes

15emptyAttributes :: Attributes

29−emptyAttributes = mempty

16+emptyAttributes = V.empty

30

17

31null :: Attributes -> Bool

18null :: Attributes -> Bool

32−null a = V.null (attributesVec a)

19+null = V.null

33−

34−singleton :: Attribute -> Attributes

35−singleton attr = Attributes {

36− attributesVec = V.singleton attr

37− --,attributesSet = HS.singleton attr

38− }

39−

40−toList :: Attributes -> [Attribute]

41−toList attrs = V.toList (attributesVec attrs)

42

20

43attributesFromList :: [Attribute] -> Attributes

21attributesFromList :: [Attribute] -> Attributes

44−attributesFromList attrsL = Attributes {

22+attributesFromList = V.fromList -- . L.nub --too expensive

45− attributesVec = vec

46− --,attributesSet = hset

47− }

48− where

49− vec = if length attrsL == HS.size hset then

50− --fast path- no duplicates

51− V.fromList attrsL

52− else

53− --duplicate detected, uniqueify while maintaining original ordering

54− V.fromList uniquedL

55− hset = HS.fromList attrsL

56− uniquedL = fst $ foldr (\attr acc@(l,s) ->

57− if HS.member attr s then

58− acc

59− else

60− (l ++ [attr], HS.insert attr s))

61− ([],mempty) attrsL

62

23

63attributeName :: Attribute -> AttributeName

24attributeName :: Attribute -> AttributeName

64attributeName (Attribute name _) = name

25attributeName (Attribute name _) = name

@@ -67,16 +28,17 @@ atomType :: Attribute -> AtomType

67atomType (Attribute _ atype) = atype

28atomType (Attribute _ atype) = atype

68

29

69atomTypes :: Attributes -> V.Vector AtomType

30atomTypes :: Attributes -> V.Vector AtomType

70−atomTypes attrs = V.map atomType (attributesVec attrs)

31+atomTypes = V.map atomType

71

32

72atomTypesList :: Attributes -> [AtomType]

33atomTypesList :: Attributes -> [AtomType]

73atomTypesList = V.toList . atomTypes

34atomTypesList = V.toList . atomTypes

74

35

36+--hm- no error-checking here

75addAttribute :: Attribute -> Attributes -> Attributes

37addAttribute :: Attribute -> Attributes -> Attributes

76−addAttribute attr attrs = attrs <> singleton attr

38+addAttribute attr attrs = attrs `V.snoc` attr

77

39

78--if some attribute names overlap but the types do not, then spit back an error

40--if some attribute names overlap but the types do not, then spit back an error

79−{-joinAttributes :: Attributes -> Attributes -> Either RelationalError Attributes

41+joinAttributes :: Attributes -> Attributes -> Either RelationalError Attributes

80joinAttributes attrs1 attrs2 | V.length uniqueOverlappingAttributes /= V.length overlappingAttributes = Left (TupleAttributeTypeMismatchError overlappingAttributes)

42joinAttributes attrs1 attrs2 | V.length uniqueOverlappingAttributes /= V.length overlappingAttributes = Left (TupleAttributeTypeMismatchError overlappingAttributes)

81 | V.length overlappingAttrsDifferentTypes > 0 = Left (TupleAttributeTypeMismatchError overlappingAttrsDifferentTypes)

43 | V.length overlappingAttrsDifferentTypes > 0 = Left (TupleAttributeTypeMismatchError overlappingAttrsDifferentTypes)

82 | otherwise = Right $ vectorUniqueify (attrs1 V.++ attrs2)

44 | otherwise = Right $ vectorUniqueify (attrs1 V.++ attrs2)

@@ -85,52 +47,20 @@ joinAttributes attrs1 attrs2 | V.length uniqueOverlappingAttributes /= V.length

85 attrNames2 = V.map attributeName attrs2

47 attrNames2 = V.map attributeName attrs2

86 uniqueOverlappingAttributes = vectorUniqueify overlappingAttributes

48 uniqueOverlappingAttributes = vectorUniqueify overlappingAttributes

87 overlappingAttributes = V.filter (`V.elem` attrs2) attrs1

49 overlappingAttributes = V.filter (`V.elem` attrs2) attrs1

88−-}

89−joinAttributes :: Attributes -> Attributes -> Either RelationalError Attributes

90−joinAttributes attrs1 attrs2

91− | S.size overlappingNames == 0 = -- fast path, no overlapping names

92− pure (concated id)

93− | attributesForNames overlappingNames attrs1 == attributesForNames overlappingNames attrs2 = -- that atomtypes match

94− pure (concated vectorUniqueify)

95− | otherwise =

96− --special handling to validate that overlapping names have the same atom types

97− Left (TupleAttributeTypeMismatchError (attributesForNames overlappingNames attrs1))

98− where

99− nameSet1 = attributeNameSet attrs1

100− nameSet2 = attributeNameSet attrs2

101− overlappingNames = S.intersection nameSet1 nameSet2

102− concated f = Attributes {

103− attributesVec = f (attributesVec attrs1 <> attributesVec attrs2)

104− --,attributesSet = attributesSet attrs1 <> attributesSet attrs2

105− }

106

50

107addAttributes :: Attributes -> Attributes -> Attributes

51addAttributes :: Attributes -> Attributes -> Attributes

108−addAttributes = (<>)

52+addAttributes = (V.++)

109−

110−member :: Attribute -> Attributes -> Bool

111−member attr attrs = HS.member attr (attributesSet attrs)

112

53

113deleteAttributeName :: AttributeName -> Attributes -> Attributes

54deleteAttributeName :: AttributeName -> Attributes -> Attributes

114−deleteAttributeName attrName = deleteAttributeNames (S.singleton attrName)

55+deleteAttributeName attrName = V.filter (\attr -> attributeName attr /= attrName)

115−

116−deleteAttributeNames :: S.Set AttributeName -> Attributes -> Attributes

117−deleteAttributeNames attrNames attrs = Attributes {

118− attributesVec = vec

119− }

120− where

121− vec = V.filter attrFilter (attributesVec attrs)

122− attrFilter attr = S.notMember (attributeName attr) attrNames

123

56

124renameAttribute :: AttributeName -> Attribute -> Attribute

57renameAttribute :: AttributeName -> Attribute -> Attribute

125renameAttribute newAttrName (Attribute _ typeo) = Attribute newAttrName typeo

58renameAttribute newAttrName (Attribute _ typeo) = Attribute newAttrName typeo

126

59

127renameAttributes :: AttributeName -> AttributeName -> Attributes -> Attributes

60renameAttributes :: AttributeName -> AttributeName -> Attributes -> Attributes

128−renameAttributes oldAttrName newAttrName attrs = Attributes {

61+renameAttributes oldAttrName newAttrName = V.map renamer

129− attributesVec = vec

130− }

131 where

62 where

132− vec = V.map renamer (attributesVec attrs)

133− renamer attr = if attributeName attr == oldAttrName then

63+ renamer attr = if attributeName attr == oldAttrName then

134 renameAttribute newAttrName attr

64 renameAttribute newAttrName attr

135 else

65 else

136 attr

66 attr

@@ -141,7 +71,7 @@ atomTypeForAttributeName attrName attrs = do

141 return atype

71 return atype

142

72

143attributeForName :: AttributeName -> Attributes -> Either RelationalError Attribute

73attributeForName :: AttributeName -> Attributes -> Either RelationalError Attribute

144−attributeForName attrName attrs = case V.find (\attr -> attributeName attr == attrName) (attributesVec attrs) of

74+attributeForName attrName attrs = case V.find (\attr -> attributeName attr == attrName) attrs of

145 Nothing -> Left (NoSuchAttributeNamesError (S.singleton attrName))

75 Nothing -> Left (NoSuchAttributeNamesError (S.singleton attrName))

146 Just attr -> Right attr

76 Just attr -> Right attr

147

77

@@ -159,18 +89,15 @@ projectionAttributesForNames names attrsIn =

159 missingNames = attributeNamesNotContained names (S.fromList (V.toList (attributeNames attrsIn)))

89 missingNames = attributeNamesNotContained names (S.fromList (V.toList (attributeNames attrsIn)))

160

90

161attributesForNames :: S.Set AttributeName -> Attributes -> Attributes

91attributesForNames :: S.Set AttributeName -> Attributes -> Attributes

162−attributesForNames attrNameSet attrs = Attributes {

92+attributesForNames attrNameSet = V.filter filt

163− attributesVec = vec

164− }

165 where

93 where

166− vec = V.filter filt (attributesVec attrs)

167 filt attr = S.member (attributeName attr) attrNameSet

94 filt attr = S.member (attributeName attr) attrNameSet

168

95

169attributeNameSet :: Attributes -> S.Set AttributeName

96attributeNameSet :: Attributes -> S.Set AttributeName

170−attributeNameSet attrs = S.fromList $ V.toList $ V.map (\(Attribute name _) -> name) (attributesVec attrs)

97+attributeNameSet attrVec = S.fromList $ V.toList $ V.map (\(Attribute name _) -> name) attrVec

171

98

172attributeNames :: Attributes -> V.Vector AttributeName

99attributeNames :: Attributes -> V.Vector AttributeName

173−attributeNames attrs = V.map attributeName (attributesVec attrs)

100+attributeNames = V.map attributeName

174

101

175--checks if set s1 is wholly contained in the set s2

102--checks if set s1 is wholly contained in the set s2

176attributesContained :: Attributes -> Attributes -> Bool

103attributesContained :: Attributes -> Attributes -> Bool

@@ -191,88 +118,42 @@ attributeNamesNotContained subset superset = S.filter (`S.notMember` superset) s

191

118

192-- useful for display

119-- useful for display

193orderedAttributes :: Attributes -> [Attribute]

120orderedAttributes :: Attributes -> [Attribute]

194−orderedAttributes attrs = L.sortBy (\a b -> attributeName a `compare` attributeName b) (V.toList (attributesVec attrs))

121+orderedAttributes attrs = L.sortBy (\a b -> attributeName a `compare` attributeName b) (V.toList attrs)

195

122

196orderedAttributeNames :: Attributes -> [AttributeName]

123orderedAttributeNames :: Attributes -> [AttributeName]

197orderedAttributeNames attrs = map attributeName (orderedAttributes attrs)

124orderedAttributeNames attrs = map attributeName (orderedAttributes attrs)

198

125

199-- take two attribute sets and return an attribute set with the attributes which do not match

126-- take two attribute sets and return an attribute set with the attributes which do not match

200−--this is the function which benefits the most from the HashSet representation- this turned up in the insert performance test

201attributesDifference :: Attributes -> Attributes -> Attributes

127attributesDifference :: Attributes -> Attributes -> Attributes

202−{-attributesDifference attrsA attrsB = V.fromList $ diff (V.toList attrsA) (V.toList attrsB)

128+attributesDifference attrsA attrsB = V.fromList $ diff (V.toList attrsA) (V.toList attrsB)

203 where

129 where

204 diff a b = (a L.\\ b) ++ (b L.\\ a)

130 diff a b = (a L.\\ b) ++ (b L.\\ a)

205−-}

206−attributesDifference attrsA attrsB =

207− if attributesSet attrsA == attributesSet attrsB then

208− mempty

209− else

210− Attributes {

211− attributesVec = vec

212− --,attributesSet = hset

213− }

214− where

215− hset = HS.difference setA setB <> HS.difference setB setA

216− setA = attributesSet attrsA

217− setB = attributesSet attrsB

218− vec = V.filter (`HS.member` hset) (attributesVec attrsA <> attributesVec attrsB)

219

131

220vectorUniqueify :: (Hash.Hashable a, Eq a) => V.Vector a -> V.Vector a

132vectorUniqueify :: (Hash.Hashable a, Eq a) => V.Vector a -> V.Vector a

221vectorUniqueify vecIn = V.fromList $ HS.toList $ HS.fromList $ V.toList vecIn

133vectorUniqueify vecIn = V.fromList $ HS.toList $ HS.fromList $ V.toList vecIn

222

134

223--check that each attribute only appears once

135--check that each attribute only appears once

224verifyAttributes :: Attributes -> Either RelationalError Attributes

136verifyAttributes :: Attributes -> Either RelationalError Attributes

225−verifyAttributes attrs =

137+verifyAttributes attrs = if collapsedAttrs /= attrs then

226− if vecSet == attributesSet attrs then

227− pure attrs

228− else

229− Left (TupleAttributeTypeMismatchError diffAttrs)

138+ Left (TupleAttributeTypeMismatchError (attributesDifference collapsedAttrs attrs))

139+ else

140+ Right attrs

230 where

141 where

231− vecSet = V.foldr' HS.insert HS.empty (attributesVec attrs)

142+ collapsedAttrs = vectorUniqueify attrs

232− diffSet = HS.difference vecSet (attributesSet attrs) <> HS.difference (attributesSet attrs) vecSet

233− diffAttrs = Attributes {

234− attributesVec = V.fromList (HS.toList diffSet)

235− --,attributesSet = diffSet

236− }

237−

238−--used in Generics derivation for ADTs without named attributes- not to be used elsewhere

239−--drop first n attributes from vector representation

240−drop :: Int -> Attributes -> Attributes

241−drop c attrs = Attributes { attributesVec = vec

242− }

243− where

244− vec = V.drop c (attributesVec attrs)

245−

246−

247−-- use this in preference to attributesEqual when the attribute ordering matters such as during tuple unions

248−attributesAndOrderEqual :: Attributes -> Attributes -> Bool

249−attributesAndOrderEqual a b = attributesVec a == attributesVec b

250

143

251−-- use to determine if the same attributes are contained (but ordering is irrelevant)

252attributesEqual :: Attributes -> Attributes -> Bool

144attributesEqual :: Attributes -> Attributes -> Bool

253−attributesEqual attrsA attrsB =

145+attributesEqual attrs1 attrs2 = V.null (attributesDifference attrs1 attrs2)

254− attributesVec attrsA == attributesVec attrsB ||

255− attributesSet attrsA == attributesSet attrsB

256

146

257attributesAsMap :: Attributes -> M.Map AttributeName Attribute

147attributesAsMap :: Attributes -> M.Map AttributeName Attribute

258−attributesAsMap attrs = V.foldr' (\attr acc -> M.insert (attributeName attr) attr acc) mempty (attributesVec attrs)

148+attributesAsMap attrs = (M.fromList . V.toList) (V.map (\attr -> (attributeName attr, attr)) attrs)

259−

260

149

261-- | Left-biased union of attributes.

150-- | Left-biased union of attributes.

262union :: Attributes -> Attributes -> Attributes

151union :: Attributes -> Attributes -> Attributes

263−union attrsA attrsB = Attributes {

152+union attrsA attrsB = V.fromList (M.elems unioned)

264− attributesVec = vec

265− --,attributesSet = hset

266− }

267 where

153 where

268− hset = HS.union (attributesSet attrsA) (attributesSet attrsB)

154+ unioned = M.union (attributesAsMap attrsA) (attributesAsMap attrsB)

269− vec = HS.foldr (flip V.snoc) mempty hset

270

155

271intersection :: Attributes -> Attributes -> Attributes

156intersection :: Attributes -> Attributes -> Attributes

272−intersection attrsA attrsB = Attributes {

157+intersection attrsA attrsB = V.fromList (M.elems intersected)

273− attributesVec = vec

274− --,attributesSet = hset

275− }

276 where

158 where

277− hset = HS.intersection (attributesSet attrsA) (attributesSet attrsB)

159+ intersected = M.intersection (attributesAsMap attrsA) (attributesAsMap attrsB)

278− vec = HS.foldr (flip V.snoc) mempty hset

src/lib/ProjectM36/Base.hs+21−33

@@ -1,4 +1,4 @@

1−{-# LANGUAGE ExistentialQuantification,DeriveGeneric,DeriveAnyClass,FlexibleInstances,OverloadedStrings, DeriveTraversable, DerivingVia, TemplateHaskell, TypeFamilies #-}

1+{-# LANGUAGE ExistentialQuantification,DeriveGeneric,DeriveAnyClass,FlexibleInstances,OverloadedStrings, DeriveTraversable, DerivingVia #-}

2{-# OPTIONS_GHC -fno-warn-orphans #-}

3

4module ProjectM36.Base where

@@ -6,7 +6,6 @@ import ProjectM36.DatabaseContextFunctionError

6import ProjectM36.AtomFunctionError

7import ProjectM36.MerkleHash

8

9−import Data.Functor.Foldable.TH

10import qualified Data.Map as M

9import qualified Data.Map as M

11import qualified Data.HashSet as HS

10import qualified Data.HashSet as HS

12import Data.Hashable (Hashable, hashWithSalt)

11import Data.Hashable (Hashable, hashWithSalt)

@@ -99,29 +98,17 @@ data Attribute = Attribute AttributeName AtomType deriving (Eq, Show, Read, Gene

99instance Hashable Attribute where

98instance Hashable Attribute where

100 hashWithSalt salt (Attribute attrName _) = hashWithSalt salt attrName

99 hashWithSalt salt (Attribute attrName _) = hashWithSalt salt attrName

101

100

102−type AttributesHash = Int

103−

104-- | 'Attributes' represent the head of a relation.

101-- | 'Attributes' represent the head of a relation.

105−newtype Attributes = Attributes {

106− attributesVec :: V.Vector Attribute

102+type Attributes = V.Vector Attribute

107− --,attributesSet :: HS.HashSet Attribute --compare with this generated in heap profile and benchmarks

108− }

109− deriving (NFData, Read, Hashable, Generic)

110−

111−attributesSet :: Attributes -> HS.HashSet Attribute

112−attributesSet = HS.fromList . V.toList . attributesVec

113−

114−instance Show Attributes where

115− show attrs = "attributesFromList [" <> L.intercalate ", " (map (\attr -> "(" <> show attr <> ")") (V.toList (attributesVec attrs))) <> "]"

116−

117−--when attribute ordering is irrelevant

118−instance Eq Attributes where

119− attrsA == attrsB =

120− attributesVec attrsA == attributesVec attrsB ||

121− attributesSet attrsA == attributesSet attrsB

122

103

104+-- | Equality function for a set of attributes.

105+attributesEqual :: Attributes -> Attributes -> Bool

106+attributesEqual attrs1 attrs2 = attrsAsSet attrs1 == attrsAsSet attrs2

107+ where

108+ attrsAsSet = HS.fromList . V.toList

109+

123sortedAttributesIndices :: Attributes -> [(Int, Attribute)]

110sortedAttributesIndices :: Attributes -> [(Int, Attribute)]

124−sortedAttributesIndices attrs = L.sortBy (\(_, Attribute name1 _) (_,Attribute name2 _) -> compare name1 name2) $ V.toList (V.indexed (attributesVec attrs))

111+sortedAttributesIndices attrs = L.sortBy (\(_, Attribute name1 _) (_,Attribute name2 _) -> compare name1 name2) $ V.toList (V.indexed attrs)

125

112

126-- | The relation's tuple set is the body of the relation.

113-- | The relation's tuple set is the body of the relation.

127newtype RelationTupleSet = RelationTupleSet { asList :: [RelationTuple] } deriving (Hashable, Show, Generic, Read)

114newtype RelationTupleSet = RelationTupleSet { asList :: [RelationTuple] } deriving (Hashable, Show, Generic, Read)

@@ -140,8 +127,8 @@ instance NFData RelationTupleSet where rnf = genericRnf

140instance Hashable RelationTuple where

127instance Hashable RelationTuple where

141 --sanity check the tuple for attribute and tuple counts

128 --sanity check the tuple for attribute and tuple counts

142 --this bit me when tuples were being hashed before being verified

129 --this bit me when tuples were being hashed before being verified

143− hashWithSalt salt (RelationTuple attrs tupVec) = if V.length (attributesVec attrs) /= V.length tupVec then

130+ hashWithSalt salt (RelationTuple attrs tupVec) = if V.length attrs /= V.length tupVec then

144− error ("invalid tuple: attributes and tuple count mismatch " <> show (attributesVec attrs, tupVec))

131+ error "invalid tuple: attributes and tuple count mismatch"

145 else

132 else

146 salt `hashWithSalt`

133 salt `hashWithSalt`

147 sortedAttrs `hashWithSalt`

134 sortedAttrs `hashWithSalt`

@@ -155,20 +142,19 @@ instance Hashable RelationTuple where

155data RelationTuple = RelationTuple Attributes (V.Vector Atom) deriving (Show, Read, Generic)

142data RelationTuple = RelationTuple Attributes (V.Vector Atom) deriving (Show, Read, Generic)

156

143

157instance Eq RelationTuple where

144instance Eq RelationTuple where

158− tuple1@(RelationTuple attrs1 _) == tuple2@(RelationTuple attrs2 _) =

145+ (==) tuple1@(RelationTuple attrs1 _) tuple2@(RelationTuple attrs2 _) = attributesEqual attrs1 attrs2 && atomsEqual

159− attrs1 == attrs2 && atomsEqual

160 where

146 where

161− atomForAttribute attr (RelationTuple attrs tupVec) = case V.findIndex (== attr) (attributesVec attrs) of

147+ atomForAttribute attr (RelationTuple attrs tupVec) = case V.findIndex (== attr) attrs of

162 Nothing -> Nothing

148 Nothing -> Nothing

163 Just index -> tupVec V.!? index

149 Just index -> tupVec V.!? index

164− atomsEqual = V.all (== True) $ V.map (\attr -> atomForAttribute attr tuple1 == atomForAttribute attr tuple2) (attributesVec attrs1)

150+ atomsEqual = V.all (== True) $ V.map (\attr -> atomForAttribute attr tuple1 == atomForAttribute attr tuple2) attrs1

165

151

166instance NFData RelationTuple where rnf = genericRnf

152instance NFData RelationTuple where rnf = genericRnf

167

153

168data Relation = Relation Attributes RelationTupleSet deriving (Show, Generic,Typeable)

154data Relation = Relation Attributes RelationTupleSet deriving (Show, Generic,Typeable)

169

155

170instance Eq Relation where

156instance Eq Relation where

171− Relation attrs1 tupSet1 == Relation attrs2 tupSet2 = attrs1 == attrs2 && tupSet1 == tupSet2

157+ Relation attrs1 tupSet1 == Relation attrs2 tupSet2 = attributesEqual attrs1 attrs2 && tupSet1 == tupSet2

172

158

173instance NFData Relation where rnf = genericRnf

159instance NFData Relation where rnf = genericRnf

174

160

@@ -612,7 +598,7 @@ attrTypeVars (Attribute _ aType) = case aType of

612 ByteStringAtomType -> S.empty

598 ByteStringAtomType -> S.empty

613 BoolAtomType -> S.empty

599 BoolAtomType -> S.empty

614 RelationalExprAtomType -> S.empty

600 RelationalExprAtomType -> S.empty

615− (RelationAtomType attrs) -> S.unions (map attrTypeVars (V.toList (attributesVec attrs)))

601+ (RelationAtomType attrs) -> S.unions (map attrTypeVars (V.toList attrs))

616 (ConstructedAtomType _ tvMap) -> M.keysSet tvMap

602 (ConstructedAtomType _ tvMap) -> M.keysSet tvMap

617 (TypeVariableType nam) -> S.singleton nam

603 (TypeVariableType nam) -> S.singleton nam

618

604

@@ -636,11 +622,13 @@ atomTypeVars DateTimeAtomType = S.empty

636atomTypeVars ByteStringAtomType = S.empty

622atomTypeVars ByteStringAtomType = S.empty

637atomTypeVars BoolAtomType = S.empty

623atomTypeVars BoolAtomType = S.empty

638atomTypeVars RelationalExprAtomType = S.empty

624atomTypeVars RelationalExprAtomType = S.empty

639−atomTypeVars (RelationAtomType attrs) = S.unions (map attrTypeVars (V.toList (attributesVec attrs)))

625+atomTypeVars (RelationAtomType attrs) = S.unions (map attrTypeVars (V.toList attrs))

640atomTypeVars (ConstructedAtomType _ tvMap) = M.keysSet tvMap

626atomTypeVars (ConstructedAtomType _ tvMap) = M.keysSet tvMap

641atomTypeVars (TypeVariableType nam) = S.singleton nam

627atomTypeVars (TypeVariableType nam) = S.singleton nam

642

628

643unimplemented :: HasCallStack => a

629unimplemented :: HasCallStack => a

644−unimplemented = error "unimplemented"

630+unimplemented = undefined

631+

632+--for serializing GraphRefRelationalExpr as part of transaction serialization

645

633

646−makeBaseFunctor ''RelationalExprBase

634+

src/lib/ProjectM36/Client.hs+10−12

@@ -248,7 +248,7 @@ createScriptSession :: [String] -> IO (Maybe ScriptSession)

248createScriptSession ghcPkgPaths = do

249 eScriptSession <- initScriptSession ghcPkgPaths

250 case eScriptSession of

251− Left err -> hPutStrLn stderr ("Warning: Haskell scripting disabled: " ++ show err) >> pure Nothing --not a fatal error, but the scripting feature must be disabled

251+ Left err -> hPutStrLn stderr ("Failed to load scripting engine- scripting disabled: " ++ show err) >> pure Nothing --not a fatal error, but the scripting feature must be disabled

252 Right s -> pure (Just s)

253

254

@@ -297,18 +297,16 @@ connectProjectM36 (RemoteConnectionInfo dbName hostName servicePort notification

297 \(NotificationMessage notifications') ->

298 forM_ (M.toList notifications') (uncurry notificationCallback)

299 ]

300− let connectExcHandler (e :: IOException) = pure $ Left (IOExceptionError e)

300+-- TODO missing async callback

301− eConn <- (Right <$> RPC.connect notificationHandlers (hostAddressToTuple addr) port) `catch` connectExcHandler

301+ conn <- RPC.connect notificationHandlers (hostAddressToTuple addr) port

302− case eConn of

303− Left err -> pure (Left err)

304− Right conn -> do

305− eRet <- RPC.call conn (Login dbName)

302+ eRet <- RPC.call conn (Login dbName)

303+-- TODO handle connection errors

306− case eRet of

304+ case eRet of

307− Left err -> error (show err)

305+ Left err -> error (show err)

308− Right False -> error "wtf"

306+ Right False -> error "wtf"

309− Right True ->

307+ Right True ->

310 --TODO handle connection errors!

308 --TODO handle connection errors!

311− pure (Right (RemoteConnection (RemoteConnectionConf conn)))

309+ pure (Right (RemoteConnection (RemoteConnectionConf conn)))

312

310

313--convert RPC errors into exceptions

311--convert RPC errors into exceptions

314convertRPCErrors :: RPC.ConnectionError -> IO a

312convertRPCErrors :: RPC.ConnectionError -> IO a

src/lib/ProjectM36/DataFrame.hs+6−6

@@ -2,7 +2,7 @@

2{- A dataframe is a strongly-typed, ordered list of named tuples. A dataframe differs from a relation in that its tuples are ordered.-}

3module ProjectM36.DataFrame where

4import ProjectM36.Base

5−import ProjectM36.Attribute as A hiding (drop)

5+import ProjectM36.Attribute as A

6import ProjectM36.Error

7import qualified ProjectM36.Relation as R

8import ProjectM36.Relation.Show.Term

@@ -81,7 +81,7 @@ compareTupleByOneAttributeName attr tuple1 tuple2 =

81 Right atom2 -> compareAtoms atom1 atom2

82

83atomForAttributeName :: AttributeName -> DataFrameTuple -> Either RelationalError Atom

84−atomForAttributeName attrName (DataFrameTuple tupAttrs tupVec) = case V.findIndex (\attr -> attributeName attr == attrName) (attributesVec tupAttrs) of

84+atomForAttributeName attrName (DataFrameTuple tupAttrs tupVec) = case V.findIndex (\attr -> attributeName attr == attrName) tupAttrs of

85 Nothing -> Left (NoSuchAttributeNamesError (S.singleton attrName))

86 Just index -> case tupVec V.!? index of

87 Nothing -> Left (NoSuchAttributeNamesError (S.singleton attrName))

@@ -134,12 +134,12 @@ data DataFrameExpr = DataFrameExpr {

134dataFrameAsHTML :: DataFrame -> T.Text

135-- web browsers don't display tables with empty cells or empty headers, so we have to insert some placeholders- it's not technically the same, but looks as expected in the browser

136dataFrameAsHTML df

137− | length (tuples df) == 1 && A.null (attributes df) = style <>

137+ | length (tuples df) == 1 && L.null (attributes df) = style <>

138 tablestart <>

139 "<tr><th></th></tr>" <>

140 "<tr><td></td></tr>" <>

141 tablefooter <> "</table>"

142− | L.null (tuples df) && A.null (attributes df) = style <>

142+ | L.null (tuples df) && L.null (attributes df) = style <>

143 tablestart <>

144 "<tr><th></th></tr>" <>

145 tablefooter <>

@@ -162,7 +162,7 @@ tuplesAsHTML = foldr folder ""

162 folder tuple acc = acc <> tupleAsHTML tuple

163

164tupleAssocs :: DataFrameTuple -> [(AttributeName, Atom)]

165−tupleAssocs (DataFrameTuple attrs tupVec) = V.toList $ V.map (first attributeName) (V.zip (attributesVec attrs) tupVec)

165+tupleAssocs (DataFrameTuple attrVec tupVec) = V.toList $ V.map (first attributeName) (V.zip attrVec tupVec)

166

167

168tupleAsHTML :: DataFrameTuple -> T.Text

@@ -174,7 +174,7 @@ tupleAsHTML tuple = "<tr>" <> T.concat (L.map tupleFrag (tupleAssocs tuple)) <>

174 atomAsHTML atom = atomToText atom

175

176attributesAsHTML :: Attributes -> [AttributeOrder] -> T.Text

177−attributesAsHTML attrs orders' = "<tr>" <> T.concat (map oneAttrHTML (A.toList attrs)) <> "</tr>"

177+attributesAsHTML attrs orders' = "<tr>" <> T.concat (map oneAttrHTML (V.toList attrs)) <> "</tr>"

178 where

179 oneAttrHTML attr = "<th>" <> prettyAttribute attr <> ordering (attributeName attr) <> "</th>"

180 ordering attrName = " " <> case L.find (\(AttributeOrder nam _) -> nam == attrName) orders' of

src/lib/ProjectM36/Error.hs+2−10

@@ -81,7 +81,7 @@ data RelationalError = NoSuchAttributeNamesError (S.Set AttributeName)

81 | RelationValuedAttributesNotSupportedError [AttributeName]

82 | NotificationNameInUseError NotificationName

83 | NotificationNameNotInUseError NotificationName

84− | ImportError ImportError'

84+ | ImportError T.Text -- really? This should be broken out into some other error type- this has nothing to do with relational algebra

85 | ExportError T.Text

86 | UnhandledExceptionError String

87 | MergeTransactionError MergeError

@@ -144,12 +144,4 @@ data SchemaError = RelVarReferencesMissing (S.Set RelVarName) |

144 RelVarInReferencedMoreThanOnce RelVarName |

145 RelVarOutReferencedMoreThanOnce RelVarName

146 deriving (Show, Eq, Generic, Typeable, NFData)

147−

147+

148−

149−data ImportError' = InvalidSHA256Error T.Text

150− | SHA256MismatchError T.Text T.Text

151− | InvalidFileURIError T.Text

152− | ImportFileDecodeError T.Text

153− | ImportFileError T.Text

154− | ImportDownloadError T.Text

155− deriving (Show, Eq, Generic, Typeable, NFData)

src/lib/ProjectM36/Relation.hs+22−17

@@ -9,6 +9,7 @@ import ProjectM36.Tuple

9import qualified ProjectM36.Attribute as A

10import ProjectM36.TupleSet

11import ProjectM36.Error

12+import ProjectM36.MiscUtils

12--import qualified Control.Parallel.Strategies as P

13--import qualified Control.Parallel.Strategies as P

13import qualified ProjectM36.TypeConstructorDef as TCD

14import qualified ProjectM36.TypeConstructorDef as TCD

14import qualified ProjectM36.DataConstructorDef as DCD

15import qualified ProjectM36.DataConstructorDef as DCD

@@ -16,6 +17,7 @@ import qualified Data.Text as T

16import Data.Either (isRight)

17import Data.Either (isRight)

17import System.Random.Shuffle

18import System.Random.Shuffle

18import Control.Monad.Random

19import Control.Monad.Random

20+import Data.List (sort)

19

21

20attributes :: Relation -> Attributes

22attributes :: Relation -> Attributes

21attributes (Relation attrs _ ) = attrs

23attributes (Relation attrs _ ) = attrs

@@ -33,7 +35,7 @@ atomTypeForName :: AttributeName -> Relation -> Either RelationalError AtomType

33atomTypeForName attrName (Relation attrs _) = A.atomTypeForAttributeName attrName attrs

35atomTypeForName attrName (Relation attrs _) = A.atomTypeForAttributeName attrName attrs

34

36

35mkRelationFromList :: Attributes -> [[Atom]] -> Either RelationalError Relation

37mkRelationFromList :: Attributes -> [[Atom]] -> Either RelationalError Relation

36−mkRelationFromList attrs atomMatrix = do

38+mkRelationFromList attrs atomMatrix =

37 Relation attrs <$> mkTupleSetFromList attrs atomMatrix

39 Relation attrs <$> mkTupleSetFromList attrs atomMatrix

38

40

39emptyRelationWithAttrs :: Attributes -> Relation

41emptyRelationWithAttrs :: Attributes -> Relation

@@ -41,6 +43,11 @@ emptyRelationWithAttrs attrs = Relation attrs emptyTupleSet

41

43

42mkRelation :: Attributes -> RelationTupleSet -> Either RelationalError Relation

44mkRelation :: Attributes -> RelationTupleSet -> Either RelationalError Relation

43mkRelation attrs tupleSet =

45mkRelation attrs tupleSet =

46+ --check that all attributes are unique- this cannot be done when creating attributes because the check can become expensive

47+ let duplicateAttrNames = dupes (sort (map A.attributeName (V.toList attrs))) in

48+ if not (null duplicateAttrNames) then

49+ Left (DuplicateAttributeNamesError (S.fromList duplicateAttrNames))

50+ else

44 --check that all tuples have the same keys

51 --check that all tuples have the same keys

45 --check that all tuples have keys (1-N) where N is the attribute count

52 --check that all tuples have keys (1-N) where N is the attribute count

46 case verifyTupleSet attrs tupleSet of

53 case verifyTupleSet attrs tupleSet of

@@ -86,12 +93,13 @@ union (Relation attrs1 tupSet1) (Relation attrs2 tupSet2) =

86 else

93 else

87 Right $ Relation attrs1 newtuples

94 Right $ Relation attrs1 newtuples

88 where

95 where

89− newtuples = tupleSetUnion attrs1 tupSet1 tupSet2

96+ newtuples = RelationTupleSet $ HS.toList . HS.fromList $ asList tupSet1 ++ map (reorderTuple attrs1) (asList tupSet2)

90−

97+

91project :: S.Set AttributeName -> Relation -> Either RelationalError Relation

98project :: S.Set AttributeName -> Relation -> Either RelationalError Relation

92project attrNames rel@(Relation _ tupSet) = do

99project attrNames rel@(Relation _ tupSet) = do

93 newAttrs <- A.projectionAttributesForNames attrNames (attributes rel)

100 newAttrs <- A.projectionAttributesForNames attrNames (attributes rel)

101+ let newAttrNameSet = A.attributeNameSet newAttrs

94− newTupleList <- mapM (tupleProject newAttrs) (asList tupSet)

102+ newTupleList = map (tupleProject newAttrNameSet) (asList tupSet)

95 pure (Relation newAttrs (RelationTupleSet (HS.toList (HS.fromList newTupleList))))

103 pure (Relation newAttrs (RelationTupleSet (HS.toList (HS.fromList newTupleList))))

96

104

97rename :: AttributeName -> AttributeName -> Relation -> Either RelationalError Relation

105rename :: AttributeName -> AttributeName -> Relation -> Either RelationalError Relation

@@ -146,7 +154,7 @@ group groupAttrNames newAttrName rel = do

146 groupProjectionAttributes <- A.projectionAttributesForNames groupAttrNames (attributes rel)

154 groupProjectionAttributes <- A.projectionAttributesForNames groupAttrNames (attributes rel)

147 let groupAttr = Attribute newAttrName (RelationAtomType groupProjectionAttributes)

155 let groupAttr = Attribute newAttrName (RelationAtomType groupProjectionAttributes)

148 matchingRelTuple tupIn = case imageRelationFor tupIn rel of

156 matchingRelTuple tupIn = case imageRelationFor tupIn rel of

149− Right rel2 -> RelationTuple (A.singleton groupAttr) (V.singleton (RelationAtom rel2))

157+ Right rel2 -> RelationTuple (V.singleton groupAttr) (V.singleton (RelationAtom rel2))

150 Left _ -> undefined

158 Left _ -> undefined

151 mogrifier tupIn = pure (tupleExtend tupIn (matchingRelTuple tupIn))

159 mogrifier tupIn = pure (tupleExtend tupIn (matchingRelTuple tupIn))

152 newAttrs = A.addAttribute groupAttr nonGroupProjectionAttributes

160 newAttrs = A.addAttribute groupAttr nonGroupProjectionAttributes

@@ -160,8 +168,7 @@ restrictEq :: RelationTuple -> Relation -> Either RelationalError Relation

160restrictEq tuple = restrict rfilter

168restrictEq tuple = restrict rfilter

161 where

169 where

162 rfilter :: RelationTuple -> Either RelationalError Bool

170 rfilter :: RelationTuple -> Either RelationalError Bool

163− rfilter tupleIn = do

164− pure (tupleIntersection tuple tupleIn == tuple)

171+ rfilter tupleIn = pure (tupleIntersection tuple tupleIn == tuple)

165

172

166-- unwrap relation-valued attribute

173-- unwrap relation-valued attribute

167-- return error if relval attrs and nongroup attrs overlap

174-- return error if relval attrs and nongroup attrs overlap

@@ -183,13 +190,13 @@ ungroup relvalAttrName rel = case attributesForRelval relvalAttrName rel of

183tupleUngroup :: AttributeName -> Attributes -> RelationTuple -> Either RelationalError Relation

190tupleUngroup :: AttributeName -> Attributes -> RelationTuple -> Either RelationalError Relation

184tupleUngroup relvalAttrName newAttrs tuple = do

191tupleUngroup relvalAttrName newAttrs tuple = do

185 relvalRelation <- relationForAttributeName relvalAttrName tuple

192 relvalRelation <- relationForAttributeName relvalAttrName tuple

186− let nonGroupAttrs = A.intersection newAttrs (tupleAttributes tuple)

187− nonGroupTupleProjection <- tupleProject nonGroupAttrs tuple

188− let folder tupleIn acc = case acc of

189− Left err -> Left err

190− Right accRel ->

191− union accRel $ Relation newAttrs (RelationTupleSet [tupleExtend nonGroupTupleProjection tupleIn])

192 relFold folder (Right $ Relation newAttrs emptyTupleSet) relvalRelation

193 relFold folder (Right $ Relation newAttrs emptyTupleSet) relvalRelation

194+ where

195+ nonGroupTupleProjection = tupleProject nonGroupAttrNames tuple

196+ nonGroupAttrNames = A.attributeNameSet newAttrs

197+ folder tupleIn acc = case acc of

198+ Left err -> Left err

199+ Right accRel -> union accRel $ Relation newAttrs (RelationTupleSet [tupleExtend nonGroupTupleProjection tupleIn])

193

200

194attributesForRelval :: AttributeName -> Relation -> Either RelationalError Attributes

201attributesForRelval :: AttributeName -> Relation -> Either RelationalError Attributes

195attributesForRelval relvalAttrName (Relation attrs _) = do

202attributesForRelval relvalAttrName (Relation attrs _) = do

@@ -244,8 +251,7 @@ relMap mapper (Relation attrs tupleSet) =

244

251

245relMogrify :: (RelationTuple -> Either RelationalError RelationTuple) -> Attributes -> Relation -> Either RelationalError Relation

252relMogrify :: (RelationTuple -> Either RelationalError RelationTuple) -> Attributes -> Relation -> Either RelationalError Relation

246relMogrify mapper newAttributes (Relation _ tupSet) = do

253relMogrify mapper newAttributes (Relation _ tupSet) = do

247− newTuples <- mapM (fmap (reorderTuple newAttributes) . mapper) (asList tupSet)

254+ newTuples <- mapM mapper (asList tupSet)

248−

249 mkRelationFromTuples newAttributes newTuples

255 mkRelationFromTuples newAttributes newTuples

250

256

251relFold :: (RelationTuple -> a -> a) -> a -> Relation -> a

257relFold :: (RelationTuple -> a -> a) -> a -> Relation -> a

@@ -291,8 +297,7 @@ typesAsRelation types = mkRelationFromTuples attrs tuples

291 dConsType = RelationAtomType subAttrs

297 dConsType = RelationAtomType subAttrs

292 tuples = map mkTypeConsDescription types

298 tuples = map mkTypeConsDescription types

293

299

294− mkTypeConsDescription (tCons, dConsList) =

295− RelationTuple attrs (V.fromList [TextAtom (TCD.name tCons), mkDataConsRelation dConsList])

300+ mkTypeConsDescription (tCons, dConsList) = RelationTuple attrs (V.fromList [TextAtom (TCD.name tCons), mkDataConsRelation dConsList])

296

301

297 mkDataConsRelation dConsList = case mkRelationFromTuples subAttrs $ map (\dCons -> RelationTuple subAttrs (V.singleton $ TextAtom $ T.intercalate " " (DCD.name dCons:map (T.pack . show) (DCD.fields dCons)))) dConsList of

302 mkDataConsRelation dConsList = case mkRelationFromTuples subAttrs $ map (\dCons -> RelationTuple subAttrs (V.singleton $ TextAtom $ T.intercalate " " (DCD.name dCons:map (T.pack . show) (DCD.fields dCons)))) dConsList of

298 Left err -> error ("mkRelationFromTuples pooped " ++ show err)

303 Left err -> error ("mkRelationFromTuples pooped " ++ show err)

src/lib/ProjectM36/Relation/Parse/CSV.hs+3−2

@@ -38,7 +38,8 @@ csvAsRelation attrs tConsMap inString = case APBL.parse (csvWithHeader csvDecode

38 let strHeader = V.map decodeUtf8 headerRaw

39 strMapRecords = V.map convertMap vecMapsRaw

40 convertMap hmap = HM.fromList $ L.map (decodeUtf8 *** (T.unpack . decodeUtf8)) (HM.toList hmap)

41− attrNameSet = A.attributeNameSet attrs

41+ attrNames = V.map A.attributeName attrs

42+ attrNameSet = S.fromList (V.toList attrNames)

42 headerSet = S.fromList (V.toList strHeader)

43 headerSet = S.fromList (V.toList strHeader)

43 parseAtom attrName aType textIn = case APT.parseOnly (parseCSVAtomP attrName tConsMap aType <* APT.endOfInput) textIn of

44 parseAtom attrName aType textIn = case APT.parseOnly (parseCSVAtomP attrName tConsMap aType <* APT.endOfInput) textIn of

44 Left err -> Left (ParseError (T.pack err))

45 Left err -> Left (ParseError (T.pack err))

@@ -46,7 +47,7 @@ csvAsRelation attrs tConsMap inString = case APBL.parse (csvWithHeader csvDecode

46 makeTupleList :: HM.HashMap AttributeName String -> [Either CsvImportError Atom]

47 makeTupleList :: HM.HashMap AttributeName String -> [Either CsvImportError Atom]

47 makeTupleList tupMap = V.toList $ V.map (\attr ->

48 makeTupleList tupMap = V.toList $ V.map (\attr ->

48 either (Left . AttributeMappingError) Right $

49 either (Left . AttributeMappingError) Right $

49− parseAtom (A.attributeName attr) (A.atomType attr) (T.pack $ tupMap HM.! A.attributeName attr)) (attributesVec attrs)

50+ parseAtom (A.attributeName attr) (A.atomType attr) (T.pack $ tupMap HM.! A.attributeName attr)) attrs

50 if attrNameSet == headerSet then do

51 if attrNameSet == headerSet then do

51 tupleList <- mapM sequence $ V.toList (V.map makeTupleList strMapRecords)

52 tupleList <- mapM sequence $ V.toList (V.map makeTupleList strMapRecords)

52 case mkRelationFromList attrs tupleList of

53 case mkRelationFromList attrs tupleList of

src/lib/ProjectM36/Relation/Show/CSV.hs+5−5

@@ -1,7 +1,7 @@

1{-# OPTIONS_GHC -fno-warn-orphans #-}

2module ProjectM36.Relation.Show.CSV where

3import ProjectM36.Base

4−import ProjectM36.Attribute as A

4+import ProjectM36.Attribute

5import Data.Csv

6import ProjectM36.Tuple

7import qualified Data.ByteString.Lazy as BS

@@ -17,13 +17,13 @@ relationAsCSV (Relation attrs tupleSet)

17 | relValAttrs /= [] =

18 Left $ RelationValuedAttributesNotSupportedError (map attributeName relValAttrs)

19 --check that there is at least one attribute

20− | A.null attrs =

20+ | V.null attrs =

21 Left $ TupleAttributeCountMismatchError 0

22 | otherwise =

23 Right $ encodeByName bsAttrNames $ map RecordRelationTuple (asList tupleSet)

24 where

25− relValAttrs = V.toList $ V.filter (isRelationAtomType . atomType) (attributesVec attrs)

25+ relValAttrs = V.toList $ V.filter (isRelationAtomType . atomType) attrs

26− bsAttrNames = V.map (TE.encodeUtf8 . attributeName) (attributesVec attrs)

26+ bsAttrNames = V.map (TE.encodeUtf8 . attributeName) attrs

27

28{-

29instance ToRecord RelationTuple where

@@ -36,7 +36,7 @@ instance ToNamedRecord RecordRelationTuple where

36 toNamedRecord rTuple = namedRecord $ map (\(k,v) -> TE.encodeUtf8 k .= RecordAtom v) (tupleAssocs $ unTuple rTuple)

37

38instance DefaultOrdered RecordRelationTuple where

39− headerOrder (RecordRelationTuple tuple) = V.map (TE.encodeUtf8 . attributeName) (attributesVec (tupleAttributes tuple))

39+ headerOrder (RecordRelationTuple tuple) = V.map (TE.encodeUtf8 . attributeName) (tupleAttributes tuple)

40

41newtype RecordAtom = RecordAtom {unAtom :: Atom}

42

src/lib/ProjectM36/Relation/Show/HTML.hs+2−2

@@ -3,7 +3,6 @@ import ProjectM36.Base

3import ProjectM36.Relation

4import ProjectM36.Tuple

5import ProjectM36.Atom

6−import ProjectM36.Attribute as A

7import ProjectM36.AtomType

6import ProjectM36.AtomType

8import qualified Data.List as L

7import qualified Data.List as L

9import Data.Text (Text, pack)

8import Data.Text (Text, pack)

@@ -12,9 +11,10 @@ import qualified Data.Text.IO as TIO

12#if __GLASGOW_HASKELL__ < 804

11#if __GLASGOW_HASKELL__ < 804

13import Data.Monoid

12import Data.Monoid

14#endif

13#endif

14+import qualified Data.Vector as V

15

16attributesAsHTML :: Attributes -> Text

17−attributesAsHTML attrs = "<tr>" <> T.concat (map oneAttrHTML (A.toList attrs)) <> "</tr>"

17+attributesAsHTML attrs = "<tr>" <> T.concat (map oneAttrHTML (V.toList attrs)) <> "</tr>"

18 where

19 oneAttrHTML attr = "<th>" <> prettyAttribute attr <> "</th>"

20

src/lib/ProjectM36/RelationalExpression.hs+300−77

@@ -1,7 +1,6 @@

1{-# LANGUAGE ScopedTypeVariables #-}

2{-# LANGUAGE FlexibleInstances #-}

3{-# LANGUAGE FlexibleContexts #-}

4−{-# LANGUAGE OverloadedStrings #-}

5module ProjectM36.RelationalExpression where

4module ProjectM36.RelationalExpression where

6import ProjectM36.Relation

5import ProjectM36.Relation

7import ProjectM36.Tuple

6import ProjectM36.Tuple

@@ -41,8 +40,6 @@ import Control.Monad.Reader as R hiding (join)

41import ProjectM36.NormalizeExpr

40import ProjectM36.NormalizeExpr

42import ProjectM36.WithNameExpr

41import ProjectM36.WithNameExpr

43import Test.QuickCheck

42import Test.QuickCheck

44−import qualified Data.Functor.Foldable as Fold

45−import Control.Applicative

46#ifdef PM36_HASKELL_SCRIPTING

43#ifdef PM36_HASKELL_SCRIPTING

47import GHC hiding (getContext)

44import GHC hiding (getContext)

48import Control.Exception

45import Control.Exception

@@ -110,11 +107,11 @@ askEnv :: GraphRefRelationalExprM GraphRefRelationalExprEnv

110askEnv = R.ask

107askEnv = R.ask

111

108

112mergeTuplesIntoGraphRefRelationalExprEnv :: RelationTuple -> GraphRefRelationalExprEnv -> GraphRefRelationalExprEnv

109mergeTuplesIntoGraphRefRelationalExprEnv :: RelationTuple -> GraphRefRelationalExprEnv -> GraphRefRelationalExprEnv

113−mergeTuplesIntoGraphRefRelationalExprEnv tupIn env =

110+mergeTuplesIntoGraphRefRelationalExprEnv tupIn e =

114− env { gre_extra = new_elems }

111+ e{ gre_extra = new_elems }

115 where

112 where

116 new_elems = Just (Left newTuple)

113 new_elems = Just (Left newTuple)

117− mergedTupMap = M.union (tupleToMap tupIn) (tupleToMap (envTuple env))

114+ mergedTupMap = M.union (tupleToMap tupIn) (tupleToMap (envTuple e))

118 newTuple = mkRelationTupleFromMap mergedTupMap

115 newTuple = mkRelationTupleFromMap mergedTupMap

119

116

120mergeAttributesIntoGraphRefRelationalExprEnv :: Attributes -> GraphRefRelationalExprEnv -> GraphRefRelationalExprEnv

117mergeAttributesIntoGraphRefRelationalExprEnv :: Attributes -> GraphRefRelationalExprEnv -> GraphRefRelationalExprEnv

@@ -212,6 +209,160 @@ envContext = re_context

212setEnvContext :: RelationalExprEnv -> DatabaseContext -> RelationalExprEnv

209setEnvContext :: RelationalExprEnv -> DatabaseContext -> RelationalExprEnv

213setEnvContext e ctx = e { re_context = ctx }

210setEnvContext e ctx = e { re_context = ctx }

214

211

212+{-

213+--full evaluation down the graph

214+eval :: RelationalExpr -> RelationalExprState (Either RelationalError Relation)

215+eval expr = do

216+ env <- askEnv

217+ eGfExpr <- processRelationalExpr expr

218+ case eGfExpr of

219+ Left err -> pure (Left err)

220+ Right gfExpr -> pure $ evalGraphRefRelationalExpr gfExpr (re_graph env)

221+-}

222+{-

223+--relvar state is needed in evaluation of relational expression but only as read-only in order to extract current relvar values

224+evalRelationalExpr :: RelationalExpr -> RelationalExprState (Either RelationalError GraphRefRelationalExpr)

225+evalRelationalExpr (RelationVariable name _) = do

226+ relvarTable <- fmap (relationVariables . envContext) askEnv

227+ return $ case M.lookup name relvarTable of

228+ Just res -> Right res

229+ Nothing -> Left $ RelVarNotDefinedError name

230+

231+evalRelationalExpr (Project attrNames expr) = do

232+ eAttrNameSet <- evalAttributeNames attrNames expr

233+ case eAttrNameSet of

234+ Left err -> pure (Left err)

235+ Right attrNameSet -> do

236+ rel <- evalRelationalExpr expr

237+ case rel of

238+ Right rel2 -> pure $ Right (Project (AttributeNames attrNameSet) rel2)

239+ Left err -> pure $ Left err

240+

241+evalRelationalExpr (Union exprA exprB) = do

242+ relA <- evalRelationalExpr exprA

243+ relB <- evalRelationalExpr exprB

244+ case relA of

245+ Left err -> return $ Left err

246+ Right relA2 -> case relB of

247+ Left err -> return $ Left err

248+ Right relB2 -> return $ Right (Union relA2 relB2)

249+

250+evalRelationalExpr (Join exprA exprB) = do

251+ relA <- evalRelationalExpr exprA

252+ relB <- evalRelationalExpr exprB

253+ case relA of

254+ Left err -> return $ Left err

255+ Right relA2 -> case relB of

256+ Left err -> return $ Left err

257+ Right relB2 -> return $ Right (Join relA2 relB2)

258+

259+evalRelationalExpr (Difference exprA exprB) = do

260+ relA <- evalRelationalExpr exprA

261+ relB <- evalRelationalExpr exprB

262+ case relA of

263+ Left err -> return $ Left err

264+ Right relA2 -> case relB of

265+ Left err -> return $ Left err

266+ Right relB2 -> return $ Right (Difference relA2 relB2)

267+

268+evalRelationalExpr (MakeStaticRelation attributeSet tupleSet) =

269+ case mkRelation attributeSet tupleSet of

270+ Right rel -> return $ Right (ExistingRelation rel)

271+ Left err -> return $ Left err

272+

273+evalRelationalExpr (MakeRelationFromExprs mAttrExprs tupleExprs) = do

274+ currentContext <- fmap envContext askEnv

275+ let tConss = typeConstructorMapping currentContext

276+ -- if the mAttrExprs is Nothing, then we should attempt to infer the tuple attributes from the first tuple itself- note that this is not always possible

277+ runExceptT $ do

278+ mAttrs <- case mAttrExprs of

279+ Just _ ->

280+ Just . A.attributesFromList <$> mapM evalGraphRefAttrExpr (fromMaybe [] mAttrExprs)

281+ Nothing -> pure Nothing

282+ tuples <- mapM (liftE . evalTupleExpr mAttrs) tupleExprs

283+ let attrs = fromMaybe firstTupleAttrs mAttrs

284+ firstTupleAttrs = if null tuples then A.emptyAttributes else tupleAttributes (head tuples)

285+ expr <- either throwE pure (mkRelation attrs (RelationTupleSet tuples))

286+ pure (ExistingRelation expr)

287+

288+evalRelationalExpr (ExistingRelation rel) = pure (Right (ExistingRelation rel))

289+

290+evalRelationalExpr (Rename oldAttrName newAttrName relExpr) = do

291+ evald <- evalRelationalExpr relExpr

292+ case evald of

293+ Right expr -> return $ Right (Rename oldAttrName newAttrName expr)

294+ Left err -> return $ Left err

295+

296+evalRelationalExpr (Group oldAttrNames newAttrName relExpr) = do

297+ eOldAttrNameSet <- evalAttributeNames oldAttrNames relExpr

298+ case eOldAttrNameSet of

299+ Left err -> pure (Left err)

300+ Right oldAttrNameSet -> do

301+ evald <- evalRelationalExpr relExpr

302+ case evald of

303+ Right expr -> return $ Right (Group (AttributeNames oldAttrNameSet) newAttrName expr)

304+ Left err -> return $ Left err

305+

306+evalRelationalExpr (Ungroup attrName relExpr) = do

307+ evald <- evalRelationalExpr relExpr

308+ case evald of

309+ Right expr -> return $ Right (Ungroup attrName expr)

310+ Left err -> return $ Left err

311+

312+evalRelationalExpr (Restrict predicateExpr relExpr) = do

313+ evald <- evalRelationalExpr relExpr

314+ pred <- processRestrictionPredicateExpr predicateExpr

315+ case evald of

316+ Left err -> return $ Left err

317+ Right expr ->

318+ pure $ Right (Restrict pred expr)

319+

320+evalRelationalExpr (Equals relExprA relExprB) = do

321+ evaldA <- evalRelationalExpr relExprA

322+ evaldB <- evalRelationalExpr relExprB

323+ case evaldA of

324+ Left err -> return $ Left err

325+ Right exprA -> case evaldB of

326+ Left err -> return $ Left err

327+ Right exprB -> return $ Right (Equals exprA exprB)

328+{-

329+evalRelationalExpr (With views mainExpr) = do

330+ rstate <- ask

331+

332+ let addScopedView ctx (vname,vexpr) = if vname `M.member` relationVariables ctx then

333+ Left (RelVarAlreadyDefinedError vname)

334+ else

335+ case runState (evalDatabaseContextExpr (Assign vname vexpr)) (freshDatabaseState ctx) of

336+ (Left err,_) -> Left err

337+ (Right (), (ctx',_,_)) -> Right ctx'

338+

339+ case foldM addScopedView (stateElemsContext rstate) views of

340+ Left err -> return $ Left err

341+ Right ctx'' -> do

342+ let evalMainExpr expr = runReader (evalRelationalExpr expr) (RelationalExprEnv ctx'')

343+ case evalMainExpr mainExpr of

344+ Left err -> return $ Left err

345+ Right rel -> return $ Right rel

346+-}

347+--warning: copy-pasta from above- refactor

348+evalRelationalExpr (NotEquals relExprA relExprB) = do

349+ evaldA <- evalRelationalExpr relExprA

350+ evaldB <- evalRelationalExpr relExprB

351+ case evaldA of

352+ Left err -> return $ Left err

353+ Right exprA -> case evaldB of

354+ Left err -> return $ Left err

355+ Right exprB -> return $ Right (NotEquals exprA exprB)

356+

357+-- extending a relation adds a single attribute with the results of the per-tuple expression evaluated

358+evalRelationalExpr (Extend tupleExpression relExpr) = do

359+ eExpr <- evalRelationalExpr relExpr

360+ case eExpr of

361+ Left err -> pure (Left err)

362+ Right expr -> do

363+ tupProc <- processExtendTupleExpr tupleExpression

364+ pure (Right (Extend tupProc expr))

365+-}

215--helper function to process relation variable creation/assignment

366--helper function to process relation variable creation/assignment

216setRelVar :: RelVarName -> GraphRefRelationalExpr -> DatabaseContextEvalMonad ()

367setRelVar :: RelVarName -> GraphRefRelationalExpr -> DatabaseContextEvalMonad ()

217setRelVar relVarName relExpr = do

368setRelVar relVarName relExpr = do

@@ -231,9 +382,6 @@ setRelVar relVarName relExpr = do

231 Left err -> dbErr err

382 Left err -> dbErr err

232 Right _ -> putStateContext potentialContext

383 Right _ -> putStateContext potentialContext

233

384

234−--fast-path insertion- we already know that the previous relvar validated correctly, so we can validate just the relation that is being inserted for attribute matches- without this, even a single tuple relation inserted causes the entire relation to be re-validated unnecessarily

235−--insertIntoRelVar :: RelVarName -> GraphRefRelationalExpr -> DatabaseContextEvalMonad ()

236−

237-- it is not an error to delete a relvar which does not exist, just like it is not an error to insert a pre-existing tuple into a relation

385-- it is not an error to delete a relvar which does not exist, just like it is not an error to insert a pre-existing tuple into a relation

238deleteRelVar :: RelVarName -> DatabaseContextEvalMonad ()

386deleteRelVar :: RelVarName -> DatabaseContextEvalMonad ()

239deleteRelVar relVarName = do

387deleteRelVar relVarName = do

@@ -299,36 +447,20 @@ evalGraphRefDatabaseContextExpr (Assign relVarName expr) = do

299

447

300evalGraphRefDatabaseContextExpr (Insert relVarName relExpr) = do

448evalGraphRefDatabaseContextExpr (Insert relVarName relExpr) = do

301 gfExpr <- relVarByName relVarName

449 gfExpr <- relVarByName relVarName

302− let optExpr = applyUnionCollapse (Union

303− relExpr

304− gfExpr)

305− evalGraphRefDatabaseContextExpr (Assign relVarName optExpr)

450+ evalGraphRefDatabaseContextExpr (Assign relVarName

451+ (Union

452+ gfExpr

453+ relExpr))

306

454

307evalGraphRefDatabaseContextExpr (Delete relVarName predicate) = do

455evalGraphRefDatabaseContextExpr (Delete relVarName predicate) = do

308 gfExpr <- relVarByName relVarName

456 gfExpr <- relVarByName relVarName

309− let optExpr = applyRestrictionCollapse (Restrict (NotPredicate predicate) gfExpr)

457+ setRelVar relVarName (Restrict (NotPredicate predicate) gfExpr)

310− setRelVar relVarName optExpr

311

458

312--union of restricted+updated portion and the unrestricted+unupdated portion

459--union of restricted+updated portion and the unrestricted+unupdated portion

313evalGraphRefDatabaseContextExpr (Update relVarName atomExprMap pred') = do

460evalGraphRefDatabaseContextExpr (Update relVarName atomExprMap pred') = do

314 rvExpr <- relVarByName relVarName

461 rvExpr <- relVarByName relVarName

315− graph <- re_graph <$> dbcRelationalExprEnv

316− context <- getStateContext

317− let reEnv = freshGraphRefRelationalExprEnv (Just context) graph

318− --get the current attributes name in the relvar to ensure that we don't conflict when renaming

319− eExprType = runGraphRefRelationalExprM reEnv (typeForGraphRefRelationalExpr rvExpr)

320− exprType' <- case eExprType of

321− Left err -> throwError err

322− Right t -> pure t

323 let unrestrictedPortion = Restrict (NotPredicate pred') rvExpr

462 let unrestrictedPortion = Restrict (NotPredicate pred') rvExpr

324− tmpAttr = tmpAttrC 1

463+ tmpAttr attr = "_tmp_" <> attr --this could certainly be improved to verify that there is no attribute name conflict

325− tmpAttrC :: Int -> AttributeName -> AttributeName

326− tmpAttrC c attr =

327− let tmpAttrName = "_tmp_" <> T.pack (show c) <> attr in

328− if tmpAttrName `S.member` A.attributeNameSet (attributes exprType') then

329− tmpAttrC (c+1) attr

330− else

331− tmpAttrName

332 updateAttr nam atomExpr = Extend (AttributeExtendTupleExpr (tmpAttr nam) atomExpr)

464 updateAttr nam atomExpr = Extend (AttributeExtendTupleExpr (tmpAttr nam) atomExpr)

333 projectAndRename attr expr = Rename (tmpAttr attr) attr (Project (InvertedAttributeNames (S.singleton attr)) expr)

465 projectAndRename attr expr = Rename (tmpAttr attr) attr (Project (InvertedAttributeNames (S.singleton attr)) expr)

334 restrictedPortion = Restrict pred' rvExpr

466 restrictedPortion = Restrict pred' rvExpr

@@ -642,9 +774,21 @@ evalGraphRefDatabaseContextIOExpr (CreateArbitraryRelation relVarName attrExprs

642 Left err -> pure (Left err)

774 Left err -> pure (Left err)

643 Right dbstate' -> putDBCIOContext (dbc_context dbstate')

775 Right dbstate' -> putDBCIOContext (dbc_context dbstate')

644

776

777+{-

778+updateTupleWithAtomExprs :: M.Map AttributeName AtomExpr -> DatabaseContext -> TransactionGraph -> RelationTuple -> Either RelationalError RelationTuple

779+updateTupleWithAtomExprs exprMap context graph tupIn = do

780+ --resolve all atom exprs

781+ let

782+ atomsAssoc <- mapM (\(attrName, atomExpr) -> do

783+ let atom = unimplemented

784+ --atom <- runReader (evalAtomExpr tupIn atomExpr) (mkRelationalExprState context graph)

785+ pure (attrName, atom)

786+ ) (M.toList exprMap)

787+ pure (updateTupleWithAtoms (M.fromList atomsAssoc) tupIn)

788+-}

645--run verification on all constraints

789--run verification on all constraints

646checkConstraints :: DatabaseContext -> TransactionId -> TransactionGraph -> Either RelationalError ()

790checkConstraints :: DatabaseContext -> TransactionId -> TransactionGraph -> Either RelationalError ()

647−checkConstraints context transId graph@(TransactionGraph graphHeads transSet) = do

791+checkConstraints context transId graph@(TransactionGraph graphHeads transSet) =

648 mapM_ (uncurry checkIncDep) (M.toList deps)

792 mapM_ (uncurry checkIncDep) (M.toList deps)

649 where

793 where

650 potentialGraph = TransactionGraph graphHeads (S.insert tempTrans transSet)

794 potentialGraph = TransactionGraph graphHeads (S.insert tempTrans transSet)

@@ -693,6 +837,15 @@ typeForRelationalExpr expr = do

693 runGf = runGraphRefRelationalExprM gfEnv (typeForGraphRefRelationalExpr gfExpr)

837 runGf = runGraphRefRelationalExprM gfEnv (typeForGraphRefRelationalExpr gfExpr)

694 lift $ except runGf

838 lift $ except runGf

695

839

840+--returns a database context with all tuples removed

841+--this is useful for type checking and optimization

842+{-

843+contextWithEmptyTupleSets :: DatabaseContext -> DatabaseContext

844+contextWithEmptyTupleSets contextIn = contextIn { relationVariables = relVars }

845+ where

846+ relVars = M.map (\rel -> ExistingRelation (Relation (attributes rel) emptyTupleSet)) (relationVariables contextIn)

847+-}

848+

696liftE :: (Monad m) => m (Either a b) -> ExceptT a m b

849liftE :: (Monad m) => m (Either a b) -> ExceptT a m b

697liftE v = do

850liftE v = do

698 y <- lift v

851 y <- lift v

@@ -848,6 +1001,58 @@ evalGraphRefAtomExpr tupIn cons@(ConstructedAtomExpr dConsName dConsArgs _) = do

848 mapM (evalGraphRefAtomExpr tupIn) dConsArgs

1001 mapM (evalGraphRefAtomExpr tupIn) dConsArgs

849 pure (ConstructedAtom dConsName aType argAtoms)

1002 pure (ConstructedAtom dConsName aType argAtoms)

850

1003

1004+{-

1005+evalAtomExpr :: RelationTuple -> AtomExpr -> RelationalExprM Atom

1006+evalAtomExpr tupIn expr =

1007+ -}

1008+{-

1009+

1010+evalAtomExpr tupIn (AttributeAtomExpr attrName) = case atomForAttributeName attrName tupIn of

1011+ Right atom -> pure (Right atom)

1012+ err@(Left (NoSuchAttributeNamesError _)) -> do

1013+ rstate <- ask

1014+ let stateTup = stateTuple rstate

1015+ pure (atomForAttributeName attrName stateTup)

1016+ Left err -> pure (Left err)

1017+evalAtomExpr _ (NakedAtomExpr atom) = pure (Right atom)

1018+evalAtomExpr tupIn (FunctionAtomExpr funcName arguments ()) = do

1019+ argTypes <- mapM (typeFromAtomExpr (tupleAttributes tupIn)) arguments

1020+ context <- fmap stateElemsContext ask

1021+ runExceptT $ do

1022+ let functions = atomFunctions context

1023+ func <- either throwE pure (atomFunctionForName funcName functions)

1024+ let expectedArgCount = length (atomFuncType func) - 1

1025+ actualArgCount = length argTypes

1026+ safeInit [] = [] -- different behavior from normal init

1027+ safeInit xs = init xs

1028+ if expectedArgCount /= actualArgCount then

1029+ throwE (FunctionArgumentCountMismatchError expectedArgCount actualArgCount)

1030+ else do

1031+ let zippedArgs = zip (safeInit (atomFuncType func)) argTypes

1032+ mapM_ (\(expType, eActType) -> do

1033+ actType <- either throwE pure eActType

1034+ either throwE pure (atomTypeVerify expType actType)) zippedArgs

1035+ evaldArgs <- mapM (liftE . evalAtomExpr tupIn) arguments

1036+ case evalAtomFunction func evaldArgs of

1037+ Left err -> throwE (AtomFunctionUserError err)

1038+ Right result -> do

1039+ --validate that the result matches the expected type

1040+ _ <- either throwE pure (atomTypeVerify (last (atomFuncType func)) (atomTypeForAtom result))

1041+ pure result

1042+evalAtomExpr tupIn (RelationAtomExpr relExpr) = do

1043+ --merge existing state tuple context into new state tuple context to support an arbitrary number of levels, but new attributes trounce old attributes

1044+ rstate <- ask

1045+ runExceptT $ do

1046+ let newState = mergeTuplesIntoRelationalExprState tupIn rstate

1047+ relAtom <- either throwE pure (runReader (evalRelationalExpr relExpr) newState)

1048+ pure (RelationAtom relAtom)

1049+evalAtomExpr tupIn cons@(ConstructedAtomExpr dConsName dConsArgs ()) = runExceptT $ do

1050+ rstate <- lift ask

1051+ let newState = mergeTuplesIntoRelationalExprState tupIn rstate

1052+ aType <- either throwE pure (runReader (typeFromAtomExpr (tupleAttributes tupIn) cons) newState)

1053+ argAtoms <- mapM (\arg -> either throwE pure (runReader (evalAtomExpr tupIn arg) newState)) dConsArgs

1054+ pure (ConstructedAtom dConsName aType argAtoms)

1055+-}

851typeForGraphRefAtomExpr :: Attributes -> GraphRefAtomExpr -> GraphRefRelationalExprM AtomType

1056typeForGraphRefAtomExpr :: Attributes -> GraphRefAtomExpr -> GraphRefRelationalExprM AtomType

852typeForGraphRefAtomExpr attrs (AttributeAtomExpr attrName) = do

1057typeForGraphRefAtomExpr attrs (AttributeAtomExpr attrName) = do

853 renv <- askEnv

1058 renv <- askEnv

@@ -914,7 +1119,7 @@ verifyGraphRefAtomExprTypes relIn (FunctionAtomExpr funcName funcArgExprs tid) e

914 let handler :: RelationalError -> GraphRefRelationalExprM AtomType

1119 let handler :: RelationalError -> GraphRefRelationalExprM AtomType

915 handler (AtomTypeMismatchError expSubType actSubType) = throwError (AtomFunctionTypeError funcName argCount expSubType actSubType)

1120 handler (AtomTypeMismatchError expSubType actSubType) = throwError (AtomFunctionTypeError funcName argCount expSubType actSubType)

916 handler err = throwError err

1121 handler err = throwError err

917− verifyGraphRefAtomExprTypes relIn atomExpr expectedType2 `catchError` handler

1122+ verifyGraphRefAtomExprTypes relIn atomExpr expectedType2 `catchError` handler

918 funcArgTypes <- mapM funcArgVerifier $ zip3 funcArgExprs expectedArgTypes [1..]

1123 funcArgTypes <- mapM funcArgVerifier $ zip3 funcArgExprs expectedArgTypes [1..]

919 if length funcArgTypes /= length expectedArgTypes - 1 then

1124 if length funcArgTypes /= length expectedArgTypes - 1 then

920 throwError (AtomTypeCountError funcArgTypes expectedArgTypes)

1125 throwError (AtomTypeCountError funcArgTypes expectedArgTypes)

@@ -960,7 +1165,7 @@ evalGraphRefTupleExprs mAttrs (TupleExprs fixedMarker tupleExprL) = do

960 lift $ except $ resolveAttributes accAttr tupAttr

1165 lift $ except $ resolveAttributes accAttr tupAttr

961 mostResolvedTypes <-

1166 mostResolvedTypes <-

962 foldM (\acc tup -> do

1167 foldM (\acc tup -> do

963− let zipped = zip (V.toList . attributesVec $ tupleAttributes tup) acc

1168+ let zipped = zip (V.toList $ tupleAttributes tup) acc

964 accNames = S.fromList $ map A.attributeName acc

1169 accNames = S.fromList $ map A.attributeName acc

965 tupNames = A.attributeNameSet (tupleAttributes tup)

1170 tupNames = A.attributeNameSet (tupleAttributes tup)

966 attrNamesDiff = S.union (S.difference accNames tupNames) (S.difference tupNames accNames)

1171 attrNamesDiff = S.union (S.difference accNames tupNames) (S.difference tupNames accNames)

@@ -971,7 +1176,7 @@ evalGraphRefTupleExprs mAttrs (TupleExprs fixedMarker tupleExprL) = do

971 pure nextTupleAttrs

1176 pure nextTupleAttrs

972 else

1177 else

973 throwError (TupleAttributeTypeMismatchError diff)

1178 throwError (TupleAttributeTypeMismatchError diff)

974− ) (V.toList . attributesVec $ tupleAttributes headTuple) tailTuples

1179+ ) (V.toList $ tupleAttributes headTuple) tailTuples

975 pure (A.attributesFromList mostResolvedTypes)

1180 pure (A.attributesFromList mostResolvedTypes)

976 --strategy: if all the tuple expr transaction markers refer to one location, then we can pass the type constructor mapping from that location, otherwise, we cannot assume that the types are the same

1181 --strategy: if all the tuple expr transaction markers refer to one location, then we can pass the type constructor mapping from that location, otherwise, we cannot assume that the types are the same

977 tConsMap <- case singularTransactions tupleExprL of

1182 tConsMap <- case singularTransactions tupleExprL of

@@ -1017,6 +1222,56 @@ evalGraphRefTupleExpr mAttrs (TupleExpr tupMap) = do

1017-- _ <- lift $ except (validateTuple tup' tConss)

1222-- _ <- lift $ except (validateTuple tup' tConss)

1018 pure tup'

1223 pure tup'

1019

1224

1225+{-

1226+evalAttributeNames :: AttributeNames -> RelationalExpr -> RelationalExprM (Either RelationalError (S.Set AttributeName))

1227+evalAttributeNames attrNames expr = do

1228+ eExprType <- typeForRelationalExpr expr

1229+ case eExprType of

1230+ Left err -> throwError err

1231+ Right exprTyp -> do

1232+ let typeNameSet = S.fromList (V.toList (A.attributeNames (attributes exprTyp)))

1233+ case attrNames of

1234+ AttributeNames names ->

1235+ case A.projectionAttributesForNames names (attributes exprTyp) of

1236+ Left err -> pure (Left err)

1237+ Right attrs -> pure (Right (S.fromList (V.toList (A.attributeNames attrs))))

1238+

1239+ InvertedAttributeNames names -> do

1240+ let nonExistentAttributeNames = A.attributeNamesNotContained names typeNameSet

1241+ if not (S.null nonExistentAttributeNames) then

1242+ pure (Left (AttributeNamesMismatchError nonExistentAttributeNames))

1243+ else

1244+ pure (Right (A.nonMatchingAttributeNameSet names typeNameSet))

1245+

1246+ UnionAttributeNames namesA namesB -> do

1247+ eNameSetA <- evalAttributeNames namesA expr

1248+ case eNameSetA of

1249+ Left err -> pure (Left err)

1250+ Right nameSetA -> do

1251+ eNameSetB <- evalAttributeNames namesB expr

1252+ case eNameSetB of

1253+ Left err -> pure (Left err)

1254+ Right nameSetB ->

1255+ pure (Right (S.union nameSetA nameSetB))

1256+

1257+ IntersectAttributeNames namesA namesB -> do

1258+ eNameSetA <- evalAttributeNames namesA expr

1259+ case eNameSetA of

1260+ Left err -> pure (Left err)

1261+ Right nameSetA -> do

1262+ eNameSetB <- evalAttributeNames namesB expr

1263+ case eNameSetB of

1264+ Left err -> pure (Left err)

1265+ Right nameSetB ->

1266+ pure (Right (S.intersection nameSetA nameSetB))

1267+

1268+ RelationalExprAttributeNames attrExpr -> do

1269+ eAttrExprType <- typeForRelationalExpr attrExpr

1270+ case eAttrExprType of

1271+ Left err -> pure (Left err)

1272+ Right attrExprType -> pure (Right (A.attributeNameSet (attributes attrExprType)))

1273+-}

1274+

1020--temporary implementation until we have a proper planner+executor

1275--temporary implementation until we have a proper planner+executor

1021evalGraphRefRelationalExpr :: GraphRefRelationalExpr -> GraphRefRelationalExprM Relation

1276evalGraphRefRelationalExpr :: GraphRefRelationalExpr -> GraphRefRelationalExprM Relation

1022evalGraphRefRelationalExpr (MakeRelationFromExprs mAttrExprs tupleExprs) = do

1277evalGraphRefRelationalExpr (MakeRelationFromExprs mAttrExprs tupleExprs) = do

@@ -1245,7 +1500,7 @@ relationVariablesAsRelation ctx graph = do

1245 let gfEnv = freshGraphRefRelationalExprEnv (Just ctx) graph

1500 let gfEnv = freshGraphRefRelationalExprEnv (Just ctx) graph

1246 gfType <- runGraphRefRelationalExprM gfEnv (typeForGraphRefRelationalExpr gfExpr)

1501 gfType <- runGraphRefRelationalExprM gfEnv (typeForGraphRefRelationalExpr gfExpr)

1247 pure (rvName, gfType)

1502 pure (rvName, gfType)

1248− relVarToAtomList (rvName, rel) = [TextAtom rvName, attributesToRel (attributesVec (attributes rel))]

1503+ relVarToAtomList (rvName, rel) = [TextAtom rvName, attributesToRel (attributes rel)]

1249 attrAtoms a = [TextAtom (A.attributeName a), TextAtom (prettyAtomType (A.atomType a))]

1504 attrAtoms a = [TextAtom (A.attributeName a), TextAtom (prettyAtomType (A.atomType a))]

1250 attributesToRel attrl = case mkRelationFromList subrelAttrs (map attrAtoms (V.toList attrl)) of

1505 attributesToRel attrl = case mkRelationFromList subrelAttrs (map attrAtoms (V.toList attrl)) of

1251 Left err -> error ("relationVariablesAsRelation pooped " ++ show err)

1506 Left err -> error ("relationVariablesAsRelation pooped " ++ show err)

@@ -1265,6 +1520,15 @@ evalRelationalExpr expr = do

1265 Left err -> throwError err

1520 Left err -> throwError err

1266 Right rel -> pure rel

1521 Right rel -> pure rel

1267

1522

1523+{-

1524+relVarByName :: RelVarName -> GraphRefRelationalExprM GraphRefRelationalExpr

1525+relVarByName = do

1526+ relvars <- relationVariables <$> getStateContext

1527+ case M.lookup relVarName relvars of

1528+ Nothing -> dbErr (RelVarNotDefinedError relVarName)

1529+ Just gfexpr -> pure gfExpr

1530+-}

1531+

1268class (MonadError RelationalError m, Monad m) => DatabaseContextM m where

1532class (MonadError RelationalError m, Monad m) => DatabaseContextM m where

1269 getContext :: m DatabaseContext

1533 getContext :: m DatabaseContext

1270

1534

@@ -1349,44 +1613,3 @@ instance ResolveGraphRefTransactionMarker GraphRefAtomExpr where

1349 resolve (RelationAtomExpr expr) = RelationAtomExpr <$> resolve expr

1613 resolve (RelationAtomExpr expr) = RelationAtomExpr <$> resolve expr

1350 resolve (ConstructedAtomExpr dConsName atomExprs marker) =

1614 resolve (ConstructedAtomExpr dConsName atomExprs marker) =

1351 ConstructedAtomExpr dConsName <$> mapM resolve atomExprs <*> pure marker

1615 ConstructedAtomExpr dConsName <$> mapM resolve atomExprs <*> pure marker

1352−

1353−--convert series of simple Union queries into MakeStaticRelation

1354−-- this is especially useful for long, nested applications of Union with simple tuples

1355−-- Union (MakeRelation x y) (MakeRelation x y') -> MakeRelation x (y + y')

1356−

1357−--MakeRelationFromExprs Nothing (TupleExprs UncommittedContextMarker [TupleExpr (fromList [("name", NakedAtomExpr (TextAtom "steve"))])])

1358−

1359−applyUnionCollapse :: GraphRefRelationalExpr -> GraphRefRelationalExpr

1360−applyUnionCollapse = Fold.cata opt

1361− where

1362− opt :: RelationalExprBaseF GraphRefTransactionMarker GraphRefRelationalExpr -> GraphRefRelationalExpr

1363− opt (UnionF exprA exprB) | exprA == exprB = exprA

1364− opt (UnionF

1365− exprA@(MakeRelationFromExprs mAttrs1 tupExprs1)

1366− exprB@(MakeRelationFromExprs mAttrs2 tupExprs2)) | tupExprs1 == tupExprs2 = MakeRelationFromExprs (mAttrs1 <|> mAttrs2) tupExprs1

1367− | tupExprsNull tupExprs1 = exprB

1368− | tupExprsNull tupExprs2 = exprA

1369− opt x = Fold.embed x

1370− tupExprsNull (TupleExprs _ []) = True

1371− tupExprsNull _ = False

1372−

1373−

1374−--UPDATE optimization- find matching where clause in "lower" levels of renaming

1375−--update x where y=1 set (x:=5,z:=10); update x where y=1 set(x:=6,z:=11)

1376−-- =>

1377−-- update x where y=1 set (x:=6,z:=11)

1378−-- future opt: match individual attributes update x where y=1 set (x:=5); update x where y=1 set (z:=11) => update x where y=1 set (x:=5,z:=11)

1379−

1380−--strategy: try to collapse the top-level update (union (restrict pred MakeRelationFromExpr) expr) if it contains the same predicate and resultant relation

1381−

1382−--DELETE optimization

1383−-- if a restriction matches a previous restriction, combine them

1384−-- O(1) since it only scans at the top level, critical in benchmarks generating redundant deletions

1385−applyRestrictionCollapse :: GraphRefRelationalExpr -> GraphRefRelationalExpr

1386−applyRestrictionCollapse orig@(Restrict npred@(NotPredicate _) expr) =

1387− case expr of

1388− orig'@(Restrict npred'@(NotPredicate _) _) | npred == npred' -> orig'

1389− _ -> orig

1390−applyRestrictionCollapse expr = expr

1391−

1392−

src/lib/ProjectM36/ScriptSession.hs+2

@@ -128,6 +128,8 @@ initScriptSession ghcPkgPaths = do

128 "uuid",

129 "vector",

130 "text",

131+ "binary",

132+ "vector-binary-instances",

131 "time",

133 "time",

132 "project-m36",

134 "project-m36",

133 "bytestring"]

135 "bytestring"]

src/lib/ProjectM36/Serialise/Base.hs+1−10

@@ -10,7 +10,6 @@ import ProjectM36.MerkleHash

10import Data.UUID

11import Data.Proxy

12import Data.Word

13−import ProjectM36.Attribute as A

14import qualified Data.List.NonEmpty as NE

13import qualified Data.List.NonEmpty as NE

15import qualified Data.Vector as V

14import qualified Data.Vector as V

16import Data.Time.Calendar (Day,toGregorian,fromGregorian)

15import Data.Time.Calendar (Day,toGregorian,fromGregorian)

@@ -73,13 +72,5 @@ instance Serialise Day where

73 extractor = fromGregorianTup <$> extractor

72 extractor = fromGregorianTup <$> extractor

74 decodeCurrent = fromGregorianTup <$> decodeCurrent

73 decodeCurrent = fromGregorianTup <$> decodeCurrent

75

74

76−instance Serialise Attributes where

77− schemaGen _ = SVector <$> getSchema (Proxy @Attribute)

78− toBuilder attrs = varInt (V.length (attributesVec attrs)) <> foldMap toBuilder (V.toList (attributesVec attrs))

79− extractor =

80− attributesFromList . V.toList <$> extractListBy extractor

81

75

82− decodeCurrent = do

76+

83− n <- decodeVarInt

84− l <- replicateM n decodeCurrent

85− pure (A.attributesFromList l)

src/lib/ProjectM36/Serialise/Error.hs−1

@@ -12,4 +12,3 @@ deriving via WineryVariant MergeError instance Serialise MergeError

12deriving via WineryVariant ScriptCompilationError instance Serialise ScriptCompilationError

13deriving via WineryVariant PersistenceError instance Serialise PersistenceError

14deriving via WineryVariant SchemaError instance Serialise SchemaError

15−deriving via WineryVariant ImportError' instance Serialise ImportError'

src/lib/ProjectM36/Server/Config.hs−6

@@ -12,12 +12,6 @@ data ServerConfig = ServerConfig { persistenceStrategy :: PersistenceStrategy,

12 }

13 deriving (Show)

14

15−data WebsocketServerConfig = WebsocketServerConfig { wsServerConfig :: ServerConfig,

16− tlsCertificatePath :: Maybe String,

17− tlsKeyPath :: Maybe String

18− }

19− deriving (Show)

20−

21defaultServerConfig :: ServerConfig

15defaultServerConfig :: ServerConfig

22defaultServerConfig = ServerConfig { persistenceStrategy = NoPersistence,

16defaultServerConfig = ServerConfig { persistenceStrategy = NoPersistence,

23 checkFS = True,

17 checkFS = True,

src/lib/ProjectM36/Server/ParseArgs.hs+14−31

@@ -17,14 +17,14 @@ parseArgsWithDefaults defaults = ServerConfig <$>

17 many parseGhcPkgPath <*>

18 parseTimeout (perRequestTimeout defaults) <*>

19 parseTestMode

20−

20+

21parsePersistenceStrategy :: Parser PersistenceStrategy

22parsePersistenceStrategy = CrashSafePersistence <$> (dbdirOpt <* fsyncOpt) <|>

23 MinimalPersistence <$> dbdirOpt <|>

24 pure NoPersistence

25− where

25+ where

26− dbdirOpt = strOption (short 'd' <>

26+ dbdirOpt = strOption (short 'd' <>

27− long "database-directory" <>

27+ long "database-directory" <>

28 metavar "DIRECTORY" <>

29 showDefaultWith show

30 )

@@ -34,60 +34,43 @@ parsePersistenceStrategy = CrashSafePersistence <$> (dbdirOpt <* fsyncOpt) <|>

34

35parseTestMode :: Parser Bool

36parseTestMode = flag True False (long "test-mode" <> hidden)

37−

37+

38−parseCheckFS :: Parser Bool

38+parseCheckFS :: Parser Bool

39parseCheckFS = flag True False (long "disable-fscheck" <>

40 help "Disable filesystem check for journaling.")

41−

41+

42parseDatabaseName :: Parser DatabaseName

43parseDatabaseName = strOption (short 'n' <>

44 long "database" <>

45 metavar "DATABASE_NAME")

46

47−parseHostname :: Hostname -> Parser Hostname

47+parseHostname :: Hostname -> Parser Hostname

48parseHostname defHostname = strOption (short 'h' <>

49 long "hostname" <>

50 metavar "HOST_NAME" <>

51 value defHostname)

52−

52+

53parsePort :: Port -> Parser Port

54parsePort defPort = option auto (short 'p' <>

55 long "port" <>

56 metavar "PORT_NUMBER" <>

57 value defPort)

58−

58+

59parseGhcPkgPath :: Parser String

60parseGhcPkgPath = strOption (long "ghc-pkg-dir" <>

61 metavar "GHC_PACKAGE_DIRECTORY")

62−

62+

63−parseTimeout :: Int -> Parser Int

63+parseTimeout :: Int -> Parser Int

64parseTimeout defTimeout = option auto (long "timeout" <>

65 metavar "MICROSECONDS" <>

66 value defTimeout)

67

68parseConfig :: IO ServerConfig

69parseConfig = parseConfigWithDefaults defaultServerConfig

70−

70+

71parseConfigWithDefaults :: ServerConfig -> IO ServerConfig

72parseConfigWithDefaults defaults = execParser (info (parseArgsWithDefaults defaults <**> helpOption) idm)

73

74−parseWSConfigWithDefaults :: ServerConfig -> IO WebsocketServerConfig

75−parseWSConfigWithDefaults defaults = execParser (info (parseWSArgsWithDefaults defaults <**> helpOption) idm)

76−

77−parseWSArgsWithDefaults :: ServerConfig -> Parser WebsocketServerConfig

78−parseWSArgsWithDefaults defaults = WebsocketServerConfig <$>

79− parseArgsWithDefaults defaults <*>

80− parseTlsCertificatePath <*>

81− parseTlsKeyPath

82−

83−

84−parseTlsCertificatePath :: Parser (Maybe String)

85−parseTlsCertificatePath = optional $ strOption (long "tls-certificate-path" <>

86− metavar "TLS_CERTIFICATE_PATH")

87−

88−parseTlsKeyPath :: Parser (Maybe String)

89−parseTlsKeyPath = optional $ strOption (long "tls-key-path" <>

90− metavar "TLS_KEY_PATH")

91

74

92helpOption :: Parser (a -> a)

75helpOption :: Parser (a -> a)

93helpOption = abortOption helpText $ mconcat

76helpOption = abortOption helpText $ mconcat

@@ -97,6 +80,6 @@ helpOption = abortOption helpText $ mconcat

97 where

80 where

98#if MIN_VERSION_optparse_applicative(0,16,0)

81#if MIN_VERSION_optparse_applicative(0,16,0)

99 helpText = ShowHelpText Nothing

82 helpText = ShowHelpText Nothing

100−#else

83+#else

101 helpText = ShowHelpText

84 helpText = ShowHelpText

102#endif

85#endif

src/lib/ProjectM36/Shortcuts.hsdeleted−247

@@ -1,247 +0,0 @@

1−{-# OPTIONS_GHC -fno-warn-orphans #-}

2−{-# LANGUAGE ScopedTypeVariables #-}

3−{-# LANGUAGE TypeApplications #-}

4−{-# LANGUAGE FlexibleInstances #-}

5−{-# LANGUAGE MultiParamTypeClasses #-}

6−{-# LANGUAGE TypeFamilies #-}

7−{-# LANGUAGE ExtendedDefaultRules #-}

8−{-# LANGUAGE ExistentialQuantification #-}

9−{-# LANGUAGE FlexibleContexts #-}

10−{-# LANGUAGE GADTs #-}

11−{-# LANGUAGE UndecidableInstances #-}

12−module ProjectM36.Shortcuts where

13−-- users need OverloadedLabels, OverloadedLists, and default(Int,Text) to use these shortcuts.

14−import Data.Text hiding (foldl, map)

15−import ProjectM36.Base

16−import ProjectM36.Relation

17−import ProjectM36.Atomable

18−import Prelude hiding ((!!))

19−import Data.Proxy

20−import GHC.OverloadedLabels

21−import GHC.TypeLits hiding (Text)

22−import qualified Data.Text as T

23−import qualified Data.Map as M

24−import qualified Data.Set as S

25−import GHC.Exts (IsList(..))

26−import Data.Convertible

27−

28−default (Text)

29−

30−instance IsList (AttributeNamesBase ()) where

31− type Item (AttributeNamesBase ()) = AttributeName

32− fromList = AttributeNames . S.fromList

33− toList (AttributeNames ns) = S.toList ns

34− toList _ = error "needs AttributeNames"

35−

36−instance IsList (TupleExprsBase ()) where

37− type Item TupleExprs = TupleExpr

38− fromList ts = TupleExprs () ts

39− toList (TupleExprs _ ts) = ts

40−

41−instance IsList TupleExpr where

42− type Item TupleExpr = (AttributeName, AtomExpr)

43− fromList attributeValues = TupleExpr (M.fromList attributeValues)

44− toList (TupleExpr attributeValues) = M.toList attributeValues

45−

46−

47−-- #xxx :: Text

48−instance KnownSymbol x => IsLabel x Text where

49− fromLabel = T.pack $ symbolVal @x Proxy

50−

51−-- #relvarName :: RelationalExpr

52−instance KnownSymbol x => IsLabel x RelationalExpr where

53− fromLabel = RelationVariable (T.pack $ symbolVal @x Proxy) ()

54−

55−-- *Main> #a Int :: AttributeExpr

56−-- NakedAttributeExpr (Attribute "a" IntAtomType)

57−-- *Main> #a (Attr @[Int]) :: AttributeExpr

58−-- NakedAttributeExpr (Attribute "a" (ConstructedAtomType "List" (fromList [("a",IntAtomType)])))

59−-- can't offer a Relation atomtype -- don't know how to express a Relation type in haskell type. Maybe something a HList of (Text, a) ?

60−--

61−-- ps. I don't understand the usage of "AttributeAndTypeNameExpr AttributeName TypeConstructor a"

62−instance (KnownSymbol x, Atomable a)=> IsLabel x (HaskAtomType a -> AttributeExpr) where

63− fromLabel = (NakedAttributeExpr . Attribute name) . toAtomType''

64− where name = T.pack $ symbolVal @x Proxy

65−

66−-- (#a 1) :: ExtendTupleExpr

67−-- no need for :=

68−instance (Convertible a AtomExpr, KnownSymbol x) => IsLabel x (a -> ExtendTupleExpr) where

69− fromLabel x = AttributeExtendTupleExpr name (convert x)

70− where name = T.pack $ symbolVal @x Proxy

71−

72−-- #name AtomExpr

73−-- ex. tuple [ #name 3 ]

74−-- default(Text) is needed in client code to avoid `no Atomable Char`

75−instance (Convertible a AtomExpr, KnownSymbol x) => IsLabel x (a -> (AttributeName, AtomExpr)) where

76− fromLabel = \x -> (name, convert x)

77− where name = T.pack $ symbolVal @x Proxy

78−

79−-- *Main> #a [1] :: AtomExpr

80−-- FunctionAtomExpr "a" [NakedAtomExpr (IntegerAtom 1)] ()

81−--

82−-- This usage is not working in RestrictionPredicateExpr and AttributeExtendTupleExpr. Use f "a" [1] instead.

83−instance (KnownSymbol x, Convertible a AtomExpr) => IsLabel x ([a] -> AtomExpr) where

84− fromLabel = \as' -> FunctionAtomExpr name (map convert as') ()

85− where name = T.pack $ symbolVal @x Proxy

86−

87−instance (KnownSymbol x) => IsLabel x AtomExpr where

88− fromLabel = AttributeAtomExpr name

89− where name = T.pack $ symbolVal @x Proxy

90−

91−

92−data HaskAtomType a where

93− Int :: HaskAtomType Int

94− Integer :: HaskAtomType Integer

95− Double :: HaskAtomType Double

96− Text :: HaskAtomType Text

97−-- Day :: HaskAtomType Day

98−-- DateTime :: HaskAtomType DateTime

99−-- ByteString :: HaskAtomType ByteString

100− Bool :: HaskAtomType Bool

101− Attr :: Atomable a => HaskAtomType a -- a Proxy-like value for type application.

102−

103−toAtomType'' :: Atomable a => HaskAtomType a -> AtomType

104−toAtomType'' (_ :: HaskAtomType a) = toAtomType (Proxy @a)

105−

106−-- usage: relation [tuple [#a 1, #b "b"], tuple [#a 2, #b "b"]]

107−relation :: [TupleExpr] -> RelationalExpr

108−relation ts = MakeRelationFromExprs Nothing (TupleExprs () ts)

109−

110−relation' :: [AttributeExprBase ()] -> [TupleExpr] -> RelationalExpr

111−relation' as' ts = MakeRelationFromExprs (Just as') (TupleExprs () ts)

112−

113−-- usage: tuple [#name "Mike",#age 6]

114−tuple :: [(AttributeName, AtomExpr)] -> TupleExprBase ()

115−tuple as' = TupleExpr (M.fromList as')

116−

117−-- #a rename [#b `as` #c]

118−rename :: RelationalExpr -> [(AttributeName,AttributeName)] -> RelationalExpr

119−rename relExpr renameList = case renameList of

120− [] -> Restrict TruePredicate relExpr

121− renames ->

122− foldl (\acc (old,new) -> Rename old new acc) relExpr renames

123−

124−--project !!

125−-- #a !! [#b,#c]

126−infix 9 !!

127−(!!) :: RelationalExpr -> AttributeNames -> RelationalExpr

128−relExpr !! xs = Project xs relExpr

129−

130−--join ><

131−-- #a >< #b

132−(><) :: RelationalExpr -> RelationalExpr -> RelationalExpr

133−a >< b = Join a b

134−

135−allBut :: AttributeNames -> AttributeNames

136−allBut (AttributeNames ns) = InvertedAttributeNames ns

137−allBut _ = error "give allBut something other than attribute names."

138−

139−allFrom :: RelationalExpr -> AttributeNames

140−allFrom = RelationalExprAttributeNames

141−

142−as :: AttributeNames -> AttributeName -> (AttributeNames, AttributeName)

143−as = (,)

144−

145−-- #a `group` ([#b,#c] `as` #d)

146−group :: RelationalExpr -> (AttributeNames, AttributeName) -> RelationalExpr

147−group relExpr (aNames, aName) = Group aNames aName relExpr

148−

149−-- #a `ungroup` #b

150−ungroup :: RelationalExpr -> AttributeName -> RelationalExpr

151−ungroup relExpr aName = Ungroup aName relExpr

152−

153−-- *Main> #a #:= true #: ( #b (f "count" [1,2]))

154−-- Assign "a" (Extend (AttributeExtendTupleExpr "b" (FunctionAtomExpr "count" [NakedAtomExpr (IntegerAtom 1),NakedAtomExpr (IntegerAtom 2)] ())) (ExistingRelation (Relation attributesFromList [] (RelationTupleSet {asList = [RelationTuple attributesFromList [] []]}))))

155−(#:) :: RelationalExpr -> ExtendTupleExpr -> RelationalExpr

156−a #: b = Extend b a

157−infix 8 #:

158−

159−instance Convertible AtomExpr AtomExpr where

160− safeConvert n = Right n

161−

162−instance Convertible RelVarName AtomExpr where

163− safeConvert n = Right $ RelationAtomExpr (RelationVariable n ())

164−

165−instance Convertible RelationalExpr AtomExpr where

166− safeConvert relExpr = Right $ RelationAtomExpr relExpr

167−

168−instance Convertible RelVarName RelationalExpr where

169− safeConvert n = Right $ RelationVariable n ()

170−

171−-- @ in tutd

172−-- (@@) "aaa"

173−(@@) :: AttributeName -> AtomExpr

174−(@@) = AttributeAtomExpr

175−

176−-- works in RestrictedPredicateExpr and AttributeExtendTupleExpr

177−-- usage: f "gte" [1]

178−f :: Convertible a AtomExpr => AtomFunctionName -> [a] -> AtomExpr

179−f n as' = FunctionAtomExpr n (map convert as') ()

180−

181−-- DatabaseContextExpr

182−-- define

183−(#::) :: RelVarName -> [AttributeExpr] -> DatabaseContextExpr

184−s #:: xs = Define s xs

185−infix 5 #::

186−

187−-- assign

188−(#:=) :: RelVarName -> RelationalExpr -> DatabaseContextExpr

189−s #:= r = Assign s r

190−infix 5 #:=

191−

192−class Boolean a b where

193− (&&&) :: a -> b -> RestrictionPredicateExpr

194− infixl 6 &&&

195− (|||) :: a -> b -> RestrictionPredicateExpr

196− infixl 5 |||

197−

198−-- where: @~ mimics the restriction symbol in algebra

199−-- usage: true #: (#a 1) @~ #a ?= 1 &&& not' false ||| (f "gte" [1])

200−(@~) :: Convertible a RestrictionPredicateExpr => RelationalExpr -> a -> RelationalExpr

201−(@~) relExpr resPreExpr = Restrict (convert resPreExpr) relExpr

202−infix 4 @~

203−

204−true :: RelationalExpr

205−true = ExistingRelation relationTrue

206−

207−false :: RelationalExpr

208−false = ExistingRelation relationFalse

209−

210−trueP :: RestrictionPredicateExprBase a

211−trueP = TruePredicate

212−

213−falseP :: RestrictionPredicateExprBase a

214−falseP = NotPredicate TruePredicate

215−

216−(?=) :: Convertible a AtomExpr => AttributeName -> a -> RestrictionPredicateExpr

217−(?=) name a = AttributeEqualityPredicate name (convert a)

218−infix 9 ?=

219−

220−not' :: Convertible a RestrictionPredicateExpr => a -> RestrictionPredicateExpr

221−not' = NotPredicate . convert

222−

223−instance (Convertible a RestrictionPredicateExpr, Convertible b RestrictionPredicateExpr) => Boolean a b where

224− a &&& b = AndPredicate (convert a) (convert b)

225− a ||| b = OrPredicate (convert a) (convert b)

226−

227−instance {-# Incoherent #-} Atomable a => Convertible a RestrictionPredicateExpr where

228− safeConvert n = Right $ AtomExprPredicate $ toAtomExpr . toAtom $ n

229−

230−instance {-# Incoherent #-} Convertible RelationalExpr RestrictionPredicateExpr where

231− safeConvert a = Right $ RelationalExprPredicate a

232−

233−instance {-# Incoherent #-} Convertible AtomExpr RestrictionPredicateExpr where

234− safeConvert a = Right $ AtomExprPredicate a

235−

236−instance {-# Incoherent #-} Convertible RestrictionPredicateExpr RestrictionPredicateExpr where

237− safeConvert a = Right a

238−

239−instance {-# Incoherent #-} Atomable a => Convertible a AtomExpr where

240− safeConvert n = Right $ toAtomExpr . toAtom $ n

241−

242−toAtomExpr :: Atom -> AtomExpr

243−toAtomExpr (ConstructedAtom n _ xs) = ConstructedAtomExpr n (toAtomExpr <$> xs) ()

244−toAtomExpr a = NakedAtomExpr a

245−

246−

247−

src/lib/ProjectM36/StaticOptimizer.hs+3−4

@@ -22,6 +22,8 @@ import qualified Data.Set as S

22

23-- the static optimizer performs optimizations which need not take any specific-relation statistics into account

24

25+--import Debug.Trace

26+

25data GraphRefSOptRelationalExprEnv =

27data GraphRefSOptRelationalExprEnv =

26 GraphRefSOptRelationalExprEnv

28 GraphRefSOptRelationalExprEnv

27 {

29 {

@@ -177,7 +179,7 @@ fullOptimizeGraphRefRelationalExpr expr = do

177optimizeGraphRefRelationalExpr :: GraphRefRelationalExpr -> GraphRefSOptRelationalExprM GraphRefRelationalExpr

179optimizeGraphRefRelationalExpr :: GraphRefRelationalExpr -> GraphRefSOptRelationalExprM GraphRefRelationalExpr

178optimizeGraphRefRelationalExpr e@(MakeStaticRelation _ _) = pure e

180optimizeGraphRefRelationalExpr e@(MakeStaticRelation _ _) = pure e

179

181

180−optimizeGraphRefRelationalExpr e@MakeRelationFromExprs{} = pure e

182+optimizeGraphRefRelationalExpr e@(MakeRelationFromExprs _ _) = pure e

181

183

182optimizeGraphRefRelationalExpr e@(ExistingRelation _) = pure e

184optimizeGraphRefRelationalExpr e@(ExistingRelation _) = pure e

183

185

@@ -207,8 +209,6 @@ optimizeGraphRefRelationalExpr (Union exprA exprB) = do

207 case (optExprA, optExprB) of

209 case (optExprA, optExprB) of

208 (Restrict predA (RelationVariable nameA sA),

210 (Restrict predA (RelationVariable nameA sA),

209 Restrict predB (RelationVariable nameB sB)) | nameA == nameB && sA == sB -> pure (Restrict (AndPredicate predA predB) (RelationVariable nameA sA))

211 Restrict predB (RelationVariable nameB sB)) | nameA == nameB && sA == sB -> pure (Restrict (AndPredicate predA predB) (RelationVariable nameA sA))

210− (exprA', exprB') | isEmptyRelationExpr exprA' -> pure exprB'

211− | isEmptyRelationExpr exprB' -> pure exprA'

212 _ -> if optExprA == optExprB then

213 pure optExprA

214 else

@@ -575,4 +575,3 @@ applyStaticRestrictionPushdown expr = case expr of

575-- no optimizations available

576optimizeDatabaseContextIOExpr :: GraphRefDatabaseContextIOExpr -> GraphRefSOptDatabaseContextExprM GraphRefDatabaseContextIOExpr

577optimizeDatabaseContextIOExpr = pure

578−

src/lib/ProjectM36/TransactionGraph.hs+1−1

@@ -384,7 +384,7 @@ subGraphOfFirstCommonAncestor origGraph resultHeads currentTrans' goalTrans trav

384 else do

385 currentTransChildren <- childTransactions currentTrans' origGraph

386 let searchChildren = S.difference (S.insert currentTrans' traverseSet) currentTransChildren

387− searchChild start' = pathToTransaction origGraph start' goalTrans (S.insert currentTrans' traverseSet)

387+ searchChild start = pathToTransaction origGraph start goalTrans (S.insert currentTrans' traverseSet)

388 childSearches = map searchChild (S.toList searchChildren)

389 errors = lefts childSearches

390 pathsFound = rights childSearches

src/lib/ProjectM36/Tuple.hs+33−47

@@ -1,7 +1,7 @@

1module ProjectM36.Tuple where

2import ProjectM36.Base

3import ProjectM36.Error

4−import ProjectM36.Attribute as A

4+import ProjectM36.Attribute

5import ProjectM36.Atom

6import ProjectM36.AtomType

7import ProjectM36.DataTypes.Primitive

@@ -15,19 +15,19 @@ import Control.Arrow

15import Data.Maybe

16

17emptyTuple :: RelationTuple

18−emptyTuple = RelationTuple mempty mempty

18+emptyTuple = RelationTuple V.empty V.empty

19

20tupleSize :: RelationTuple -> Int

21−tupleSize (RelationTuple tupAttrs _) = arity tupAttrs

21+tupleSize (RelationTuple tupAttrs _) = V.length tupAttrs

22

23tupleAttributeNameSet :: RelationTuple -> S.Set AttributeName

24−tupleAttributeNameSet (RelationTuple tupAttrs _) = attributeNameSet tupAttrs

24+tupleAttributeNameSet (RelationTuple tupAttrs _) = S.fromList $ V.toList $ V.map attributeName tupAttrs

25

26tupleAttributes :: RelationTuple -> Attributes

27tupleAttributes (RelationTuple tupAttrs _) = tupAttrs

28

29tupleAssocs :: RelationTuple -> [(AttributeName, Atom)]

30−tupleAssocs (RelationTuple attrs tupVec) = V.toList $ V.map (first attributeName) (V.zip (attributesVec attrs) tupVec)

30+tupleAssocs (RelationTuple attrVec tupVec) = V.toList $ V.map (first attributeName) (V.zip attrVec tupVec)

31

32orderedTupleAssocs :: RelationTuple -> [(AttributeName, Atom)]

33orderedTupleAssocs tup@(RelationTuple attrVec _) = map (\attr -> (attributeName attr, atomForAttr (attributeName attr))) oAttrs

@@ -42,7 +42,7 @@ tupleAtoms :: RelationTuple -> V.Vector Atom

42tupleAtoms (RelationTuple _ tupVec) = tupVec

43

44atomForAttributeName :: AttributeName -> RelationTuple -> Either RelationalError Atom

45−atomForAttributeName attrName (RelationTuple tupAttrs tupVec) = case V.findIndex (\attr -> attributeName attr == attrName) (attributesVec tupAttrs) of

45+atomForAttributeName attrName (RelationTuple tupAttrs tupVec) = case V.findIndex (\attr -> attributeName attr == attrName) tupAttrs of

46 Nothing -> Left (NoSuchAttributeNamesError (S.singleton attrName))

47 Just index -> case tupVec V.!? index of

48 Nothing -> Left (NoSuchAttributeNamesError (S.singleton attrName))

@@ -59,7 +59,7 @@ vectorIndicesForAttributeNames attrNameVec attrs = if not $ V.null unknownAttrNa

59 Right $ V.map mapper attrNameVec

60 where

61 unknownAttrNames = V.filter (`V.notElem` attributeNames attrs) attrNameVec

62− mapper attrName = fromMaybe (error "logic failure in vectorIndicesForAttributeNames") (V.elemIndex attrName (attributeNames attrs))

62+ mapper attrName = fromMaybe (error "logic failure in vectorIndicesForAttributeNames") (V.elemIndex attrName (V.map attributeName attrs))

63

64

65relationForAttributeName :: AttributeName -> RelationTuple -> Either RelationalError Relation

@@ -86,10 +86,10 @@ mkRelationTuples attrs = map mapper

86 mapper = mkRelationTuple attrs

87

88mkRelationTupleFromMap :: M.Map AttributeName Atom -> RelationTuple

89−mkRelationTupleFromMap attrMap = RelationTuple (attributesFromList attrs) (V.map (attrMap M.!) (V.fromList attrNames))

89+mkRelationTupleFromMap attrMap = RelationTuple attrs (V.map (attrMap M.!) attrNames)

90 where

91− attrNames = M.keys attrMap

91+ attrNames = V.fromList (M.keys attrMap)

92− attrs = map (\attrName -> Attribute attrName (atomTypeForAtom (attrMap M.! attrName))) attrNames

92+ attrs = V.map (\attrName -> Attribute attrName (atomTypeForAtom (attrMap M.! attrName))) attrNames

93

94--return error if attribute names match but their types do not

95singleTupleSetJoin :: Attributes -> RelationTuple -> RelationTupleSet -> Either RelationalError [RelationTuple]

@@ -120,8 +120,8 @@ singleTupleJoin joinedAttrs tup1@(RelationTuple tupAttrs1 _) tup2@(RelationTuple

120 return $ Just $ RelationTuple joinedAttrs newVec

121 where

122 keysIntersection = V.map attributeName attrsIntersection

123− attrsIntersection = V.filter (`V.elem` attributesVec tupAttrs1) (attributesVec tupAttrs2)

123+ attrsIntersection = V.filter (`V.elem` tupAttrs1) tupAttrs2

124− newVec = V.map (findAtomForAttributeName . attributeName) (attributesVec joinedAttrs)

124+ newVec = V.map (findAtomForAttributeName . attributeName) joinedAttrs

125 --search both tuples for the attribute

126 findAtomForAttributeName attrName = head $ rights $ fmap (atomForAttributeName attrName) [tup1, tup2]

127

@@ -138,31 +138,23 @@ vectorUnion v1 v2 = V.foldr folder v1 v2

138tupleExtend :: RelationTuple -> RelationTuple -> RelationTuple

139tupleExtend (RelationTuple tupAttrs1 tupVec1) (RelationTuple tupAttrs2 tupVec2) = RelationTuple newAttrs newVec

140 where

141− newAttrs = tupAttrs1 <> tupAttrs2

141+ newAttrs = tupAttrs1 V.++ tupAttrs2

142− newVec = tupVec1 <> tupVec2

142+ newVec = tupVec1 V.++ tupVec2

143

144tupleAtomExtend :: AttributeName -> Atom -> RelationTuple -> RelationTuple

145tupleAtomExtend newAttrName atom tupIn = tupleExtend tupIn newTup

146 where

147− newTup = RelationTuple (A.singleton $ Attribute newAttrName (atomTypeForAtom atom)) (V.singleton atom)

147+ newTup = RelationTuple (V.singleton $ Attribute newAttrName (atomTypeForAtom atom)) (V.singleton atom)

148

149+--this could be cheaper- it may not be wortwhile to update all the tuples for projection, but then the attribute management must be slightly different- perhaps the attributes should be a vector of association tuples [(name, index)]

149−{-tupleProject :: S.Set AttributeName -> RelationTuple -> RelationTuple

150+tupleProject :: S.Set AttributeName -> RelationTuple -> RelationTuple

150tupleProject projectAttrs (RelationTuple attrs tupVec) = RelationTuple newAttrs newTupVec

151tupleProject projectAttrs (RelationTuple attrs tupVec) = RelationTuple newAttrs newTupVec

151 where

152 where

152− deleteIndices = V.findIndices (\attr -> S.notMember (attributeName attr) projectAttrs) (attributesVec attrs)

153+ deleteIndices = V.findIndices (\attr -> S.notMember (attributeName attr) projectAttrs) attrs

153 indexDeleter = V.ifilter (\index _ -> V.notElem index deleteIndices)

154 indexDeleter = V.ifilter (\index _ -> V.notElem index deleteIndices)

154− newAttrs = case A.projectionAttributesForNames projectAttrs attrs of

155+ newAttrs = indexDeleter attrs

155− Left err -> error (show (err, projectAttrs, attrs))

156− Right attrs' -> attrs'

157 newTupVec = indexDeleter tupVec

156 newTupVec = indexDeleter tupVec

158−-}

157+

159−-- remember that the attributes order matters

160−tupleProject :: Attributes -> RelationTuple -> Either RelationalError RelationTuple

161−tupleProject projectAttrs tup = do

162− newTupVec <- foldM (\acc attr ->

163− V.snoc acc <$> atomForAttributeName (attributeName attr) tup

164− ) V.empty (attributesVec projectAttrs)

165− pure $ reorderTuple projectAttrs (RelationTuple projectAttrs newTupVec)

166--return the attributes and atoms which are equal in both vectors

158--return the attributes and atoms which are equal in both vectors

167--semi-join

159--semi-join

168tupleIntersection :: RelationTuple -> RelationTuple -> RelationTuple

160tupleIntersection :: RelationTuple -> RelationTuple -> RelationTuple

@@ -170,14 +162,12 @@ tupleIntersection tuple1 tuple2 = RelationTuple newAttrs newTupVec

170 where

162 where

171 attrs1 = tupleAttributes tuple1

163 attrs1 = tupleAttributes tuple1

172 attrs2 = tupleAttributes tuple2

164 attrs2 = tupleAttributes tuple2

173− intersectAttrs = A.intersection attrs1 attrs2

174− matchingIndices = V.findIndices (\attr -> A.member attr intersectAttrs &&

165+ matchingIndices = V.findIndices (\attr -> V.elem attr attrs2 &&

175− atomForAttributeName (attributeName attr) tuple1 ==

166+ atomForAttributeName (attributeName attr) tuple1 ==

176− atomForAttributeName (attributeName attr) tuple2) (attributesVec attrs1)

167+ atomForAttributeName (attributeName attr) tuple2

168+ ) attrs1

177 indexFilter = V.ifilter (\index _ -> V.elem index matchingIndices)

169 indexFilter = V.ifilter (\index _ -> V.elem index matchingIndices)

178− newAttrs = case A.projectionAttributesForNames (A.attributeNameSet intersectAttrs) attrs1 of

170+ newAttrs = indexFilter attrs1

179− Left _ -> mempty

180− Right attrs' -> attrs'

181 newTupVec = indexFilter (tupleAtoms tuple1)

171 newTupVec = indexFilter (tupleAtoms tuple1)

182

172

183-- | An optimized form of tuple update which updates vectors efficiently.

173-- | An optimized form of tuple update which updates vectors efficiently.

@@ -185,20 +175,19 @@ updateTupleWithAtoms :: M.Map AttributeName Atom -> RelationTuple -> RelationTup

185updateTupleWithAtoms updateMap (RelationTuple attrs tupVec) = RelationTuple attrs newVec

175updateTupleWithAtoms updateMap (RelationTuple attrs tupVec) = RelationTuple attrs newVec

186 where

176 where

187 updateKeysSet = M.keysSet updateMap

177 updateKeysSet = M.keysSet updateMap

188− updateKeysIVec = V.filter (\(_,attr) -> S.member (attributeName attr) updateKeysSet) (V.indexed (attributesVec attrs))

178+ updateKeysIVec = V.filter (\(_,attr) -> S.member (attributeName attr) updateKeysSet) (V.indexed attrs)

189 newVec = V.update tupVec updateVec

179 newVec = V.update tupVec updateVec

190 updateVec = V.map (\(index, attr) -> (index, updateMap M.! attributeName attr)) updateKeysIVec

180 updateVec = V.map (\(index, attr) -> (index, updateMap M.! attributeName attr)) updateKeysIVec

191

181

192tupleToMap :: RelationTuple -> M.Map AttributeName Atom

182tupleToMap :: RelationTuple -> M.Map AttributeName Atom

193tupleToMap (RelationTuple attrs tupVec) = M.fromList assocList

183tupleToMap (RelationTuple attrs tupVec) = M.fromList assocList

194 where

184 where

195− assocList = V.toList $ V.map (\(index, attr) -> (attributeName attr, tupVec V.! index)) (V.indexed (attributesVec attrs))

185+ assocList = V.toList $ V.map (\(index, attr) -> (attributeName attr, tupVec V.! index)) (V.indexed attrs)

196

186

197−-- | Validate that the tuple has the correct attributes in the correct order

198verifyTuple :: Attributes -> RelationTuple -> Either RelationalError RelationTuple

187verifyTuple :: Attributes -> RelationTuple -> Either RelationalError RelationTuple

199−verifyTuple attrs tuple = let attrsTypes = A.atomTypes attrs

188+verifyTuple attrs tuple = let attrsTypes = V.map atomType attrs

200 tupleTypes = V.map atomTypeForAtom (tupleAtoms tuple) in

189 tupleTypes = V.map atomTypeForAtom (tupleAtoms tuple) in

201− if A.arity attrs /= V.length tupleTypes then

190+ if V.length attrs /= V.length tupleTypes then

202 Left $ TupleAttributeCountMismatchError 0

191 Left $ TupleAttributeCountMismatchError 0

203 else do

192 else do

204 mapM_ (uncurry atomTypeVerify) (V.zip attrsTypes tupleTypes)

193 mapM_ (uncurry atomTypeVerify) (V.zip attrsTypes tupleTypes)

@@ -207,18 +196,15 @@ verifyTuple attrs tuple = let attrsTypes = A.atomTypes attrs

207--two tuples can be equal but the vectors of attributes could be out-of-order

196--two tuples can be equal but the vectors of attributes could be out-of-order

208--reorder if necessary- this is useful during relMogrify so that all the relation's tuples have identical atom/attribute ordering

197--reorder if necessary- this is useful during relMogrify so that all the relation's tuples have identical atom/attribute ordering

209reorderTuple :: Attributes -> RelationTuple -> RelationTuple

198reorderTuple :: Attributes -> RelationTuple -> RelationTuple

210−reorderTuple attrs tupIn = if attributesAndOrderEqual (tupleAttributes tupIn) attrs then

199+reorderTuple attrs tupIn = if tupleAttributes tupIn == attrs then

211 tupIn

200 tupIn

212 else

201 else

213− RelationTuple attrs (V.map mapper (attributesVec attrs))

202+ RelationTuple attrs (V.map mapper attrs)

214 where

203 where

215 mapper attr = case atomForAttributeName (attributeName attr) tupIn of

204 mapper attr = case atomForAttributeName (attributeName attr) tupIn of

216− Left err -> error ("logic bug in reorderTuple: " ++ show err <> show tupIn)

205+ Left err -> error ("logic bug in reorderTuple: " ++ show err)

217 Right atom -> atom

206 Right atom -> atom

218

207

219--used in Generics derivation for ADTs without named attributes

208--used in Generics derivation for ADTs without named attributes

220trimTuple :: Int -> RelationTuple -> RelationTuple

209trimTuple :: Int -> RelationTuple -> RelationTuple

221−trimTuple index (RelationTuple attrs vals) =

210+trimTuple index (RelationTuple attrs vals) = RelationTuple (V.drop index attrs) (V.drop index vals)

222− RelationTuple newAttrs (V.drop index vals)

223− where

224− newAttrs = A.drop index attrs

src/lib/ProjectM36/TupleSet.hs−7

@@ -31,10 +31,3 @@ mkTupleSet attrs tuples = verifyTupleSet attrs (RelationTupleSet tuples)

31

32mkTupleSetFromList :: Attributes -> [[Atom]] -> Either RelationalError RelationTupleSet

33mkTupleSetFromList attrs atomMatrix = mkTupleSet attrs $ map (mkRelationTuple attrs . V.fromList) atomMatrix

34−

35−

36−-- | Union two tuplesets while reordering their attribute/atom mapping properly.

37−tupleSetUnion :: Attributes -> RelationTupleSet -> RelationTupleSet -> RelationTupleSet

38−tupleSetUnion targetAttrs tupSet1 tupSet2 = RelationTupleSet $ HS.toList . HS.fromList $ reorder (asList tupSet1) ++ reorder (asList tupSet2)

39− where

40− reorder = map (reorderTuple targetAttrs)

src/lib/ProjectM36/Tupleable.hs+8−9

@@ -38,7 +38,7 @@ import qualified Data.Text as T

38import qualified Data.Vector as V

39import GHC.Generics

40import ProjectM36.Atomable

41−import ProjectM36.Attribute as A hiding (null, toList)

41+import ProjectM36.Attribute hiding (null)

42import ProjectM36.Base

43import ProjectM36.DataTypes.Primitive

44import ProjectM36.Error

@@ -89,7 +89,7 @@ toInsertExpr vals rvName = do

89

90-- | Convert a 'Tupleable' to a create a 'Define' expression which can be used to create an empty relation variable. Use 'toInsertExpr' to insert the actual tuple data. This function is typically used with 'Data.Proxy'.

91toDefineExpr :: forall a proxy. Tupleable a => proxy a -> RelVarName -> DatabaseContextExpr

92−toDefineExpr _ rvName = Define rvName (map NakedAttributeExpr (V.toList (attributesVec attrs)))

92+toDefineExpr _ rvName = Define rvName (map NakedAttributeExpr (V.toList attrs))

93 where

94 attrs = toAttributes (Proxy :: Proxy a)

95

@@ -228,12 +228,11 @@ instance (Constructor c, TupleableG a, AtomableG a) => TupleableG (M1 C c a) whe

228 toTupleG opts (M1 v) = RelationTuple attrs atoms

229 where

230 attrsToCheck = toAttributesG opts v

231− counter = V.generate (arity attrsToCheck) id

231+ counter = V.generate (V.length attrsToCheck) id

232− attrs = attributesFromList (V.toList attrsV)

233− attrsV = V.zipWith (\num attr@(Attribute name typ) -> if T.null name then

232+ attrs = V.zipWith (\num attr@(Attribute name typ) -> if T.null name then

234 Attribute ("attr" <> T.pack (show (num + 1))) typ

233 Attribute ("attr" <> T.pack (show (num + 1))) typ

235 else

234 else

236− attr) counter (attributesVec attrsToCheck)

235+ attr) counter attrsToCheck

237 atoms = V.fromList (toAtomsG v)

236 atoms = V.fromList (toAtomsG v)

238 toAttributesG opts (M1 v) = toAttributesG opts v

237 toAttributesG opts (M1 v) = toAttributesG opts v

239 fromTupleG opts tup = M1 <$> fromTupleG opts tup

238 fromTupleG opts tup = M1 <$> fromTupleG opts tup

@@ -242,7 +241,7 @@ instance (Constructor c, TupleableG a, AtomableG a) => TupleableG (M1 C c a) whe

242-- product types

241-- product types

243instance (TupleableG a, TupleableG b) => TupleableG (a :*: b) where

242instance (TupleableG a, TupleableG b) => TupleableG (a :*: b) where

244 toTupleG = error "toTupleG"

243 toTupleG = error "toTupleG"

245− toAttributesG opts ~(x :*: y) = toAttributesG opts x <> toAttributesG opts y --a bit of extra laziness prevents whnf so that we can use toAttributes (undefined :: Test2T Int Int) without throwing an exception

244+ toAttributesG opts ~(x :*: y) = toAttributesG opts x V.++ toAttributesG opts y --a bit of extra laziness prevents whnf so that we can use toAttributes (undefined :: Test2T Int Int) without throwing an exception

246 fromTupleG opts tup = (:*:) <$> fromTupleG opts tup <*> fromTupleG opts processedTuple

245 fromTupleG opts tup = (:*:) <$> fromTupleG opts tup <*> fromTupleG opts processedTuple

247 where

246 where

248 processedTuple = if isRecordTypeG (undefined :: a x) then

247 processedTuple = if isRecordTypeG (undefined :: a x) then

@@ -254,7 +253,7 @@ instance (TupleableG a, TupleableG b) => TupleableG (a :*: b) where

254--selector/record

253--selector/record

255instance (Selector c, AtomableG a) => TupleableG (M1 S c a) where

254instance (Selector c, AtomableG a) => TupleableG (M1 S c a) where

256 toTupleG = error "toTupleG"

255 toTupleG = error "toTupleG"

257− toAttributesG opts m@(M1 v) = A.singleton (Attribute modifiedName aType)

256+ toAttributesG opts m@(M1 v) = V.singleton (Attribute modifiedName aType)

258 where

257 where

259 name = T.pack (selName m)

258 name = T.pack (selName m)

260 modifiedName = if T.null name then

259 modifiedName = if T.null name then

@@ -269,7 +268,7 @@ instance (Selector c, AtomableG a) => TupleableG (M1 S c a) where

269 val <- atomv atom

268 val <- atomv atom

270 pure (M1 val)

269 pure (M1 val)

271 where

270 where

272− expectedAtomType = atomType (V.head (attributesVec (toAttributesG opts (undefined :: M1 S c a x))))

271+ expectedAtomType = atomType (V.head (toAttributesG opts (undefined :: M1 S c a x)))

273 atomv atom = maybe (Left (AtomTypeMismatchError

272 atomv atom = maybe (Left (AtomTypeMismatchError

274 expectedAtomType

273 expectedAtomType

275 (atomTypeForAtom atom)

274 (atomTypeForAtom atom)

src/lib/ProjectM36/WithNameExpr.hs+2−4

@@ -42,11 +42,9 @@ substituteWithNameMacros macros (NotEquals exprA exprB) =

42substituteWithNameMacros macros (Extend extendTup expr) =

43 Extend (substituteWitNameMacrosExtendTupleExpr macros extendTup) (substituteWithNameMacros macros expr)

44substituteWithNameMacros macros (With moreMacros expr) =

45− --collect and update nested with exprs

45+ --collect and override existing macros and recurse

46 let newMacros = foldr macroFolder macros moreMacros

47− macroFolder (wnexpr, mexpr) acc =

47+ macroFolder (wnexpr, mexpr) acc = filter (\(w,_) -> w /= wnexpr) acc ++ [(wnexpr, mexpr)] in

48− let subExpr = substituteWithNameMacros macros mexpr in

49− filter (\(w,_) -> w /= wnexpr) acc ++ [(wnexpr, subExpr)] in

50 --scan for a match- if it exists, replace it (representing a with clause at a lower level

48 --scan for a match- if it exists, replace it (representing a with clause at a lower level

51 substituteWithNameMacros newMacros expr

49 substituteWithNameMacros newMacros expr

52

50

stack.ghc8.0.yamlnew file+48

@@ -0,0 +1,48 @@

1+# This file was automatically generated by stack init

2+# For more information, see: http://docs.haskellstack.org/en/stable/yaml_configuration/

3+

4+# Specifies the GHC version and set of packages available (e.g., lts-3.5, nightly-2015-09-21, ghc-7.10.2)

5+resolver: lts-8.5

6+

7+# Local packages, usually specified by relative directory name

8+packages:

9+- '.'

10+# Packages to be pulled from upstream that are not in the resolver (e.g., acme-missiles-0.3)

11+extra-deps:

12+- git: https://github.com/agentm/curryer.git

13+ commit: 1e60c0580ca33d6ae1e97aaddc32189fdfe3ef6c

14+- data-accessor-transformers-0.2.1.7

15+- data-interval-1.2.0

16+- extended-reals-0.2.1.0

17+- gnuplot-0.5.4.1

18+- text-1.2.2.1

19+- aeson-1.2.1.00

20+- deferred-folds-0.6.12

21+- rset-1.0.0

22+

23+# Override default flag values for local packages and extra-deps

24+flags: {}

25+

26+# Extra package databases containing global packages

27+extra-package-dbs: []

28+

29+# Control whether we use the GHC we find on the path

30+# system-ghc: true

31+

32+# Require a specific version of stack, using version ranges

33+# require-stack-version: -any # Default

34+# require-stack-version: >= 1.0.0

35+

36+# Override the architecture used by stack, especially useful on Windows

37+# arch: i386

38+# arch: x86_64

39+

40+# Extra directories used by stack for building

41+# extra-include-dirs: [/path/to/dir]

42+# extra-lib-dirs: [/path/to/dir]

43+

44+# Allow a newer minor version of GHC than the snapshot specifies

45+# compiler-check: newer-minor

46+

47+allow-newer: true

48+

stack.ghc8.10.yamldeleted−19

@@ -1,19 +0,0 @@

1−resolver: lts-17.13

2−packages:

3− - "."

4−

5−extra-deps:

6− - git: https://github.com/agentm/curryer.git

7− commit: 74ecaac619ad1165a4517d5c0f4e530493bda130

8− - git: https://github.com/composewell/streamly.git

9− commit: ac3af8749194f1788704dda8667d0b3807075cc2

10− - fast-builder-0.1.2.1

11− - rset-1.0.0

12− - winery-1.3.2

13− - barbies-th-0.1.8

14− - base16-bytestring-1.0.1.0

15−

16−flags:

17− project-m36:

18− stack: true

19−# allow-newer: true

stack.ghc8.6.yaml+20−24

@@ -6,32 +6,28 @@ resolver: lts-14.27

6

7# Local packages, usually specified by relative directory name

8packages:

9− - "."

9+- '.'

10# Packages to be pulled from upstream that are not in the resolver (e.g., acme-missiles-0.3)

11extra-deps:

12− - git: https://github.com/agentm/curryer.git

12+- git: https://github.com/agentm/curryer.git

13− commit: 74ecaac619ad1165a4517d5c0f4e530493bda130

13+ commit: 28ff1d031078af4a17fa326d43340474571df0c3

14− - git: https://github.com/composewell/streamly.git

14+- git: https://github.com/composewell/streamly.git

15− commit: ac3af8749194f1788704dda8667d0b3807075cc2

15+ commit: ac3af8749194f1788704dda8667d0b3807075cc2

16− - fast-builder-0.1.2.1

16+- fast-builder-0.1.2.1

17− - winery-1.3.2

17+- winery-1.3.2

18− - barbies-2.0.2.0

18+- barbies-2.0.2.0

19− - barbies-th-0.1.7

19+- barbies-th-0.1.7

20− - extended-reals-0.2.3.0

20+- extended-reals-0.2.3.0

21− - data-interval-2.0.1

21+- data-interval-2.0.1

22− - stm-containers-1.1.0.4

22+- stm-containers-1.1.0.4

23− - stm-hamt-1.2.0.4

23+- stm-hamt-1.2.0.4

24− - rset-1.0.0

24+- rset-1.0.0

25− - hashable-time-0.2.0.2

25+- hashable-time-0.2.0.2

26− - network-transport-tcp-0.6.0

26+- network-transport-tcp-0.6.0

27− - megaparsec-7.0.5

27+- megaparsec-7.0.5

28− - prettyprinter-1.7.0

28+- prettyprinter-1.7.0

29− - prettyprinter-ansi-terminal-1.1.2

29+- prettyprinter-ansi-terminal-1.1.2

30− - fusion-plugin-types-0.1.0

30+- fusion-plugin-types-0.1.0

31− - base16-bytestring-1.0.1.0

32− - modern-uri-0.3.4.0

33− - cryptohash-sha256-0.11.102.0

34− - http-types-0.12.3

35

31

36# Override default flag values for local packages and extra-deps

32# Override default flag values for local packages and extra-deps

37flags:

33flags:

stack.ghc8.8.yaml+22−24

@@ -6,32 +6,30 @@ resolver: lts-16.4

6

7# Local packages, usually specified by relative directory name

8packages:

9− - "."

9+- '.'

10# Packages to be pulled from upstream that are not in the resolver (e.g., acme-missiles-0.3)

11extra-deps:

12− - git: https://github.com/agentm/curryer.git

12+- git: https://github.com/agentm/curryer.git

13− commit: 74ecaac619ad1165a4517d5c0f4e530493bda130

13+ commit: 28ff1d031078af4a17fa326d43340474571df0c3

14− - git: https://github.com/composewell/streamly.git

14+- git: https://github.com/composewell/streamly.git

15− commit: ac3af8749194f1788704dda8667d0b3807075cc2

15+ commit: ac3af8749194f1788704dda8667d0b3807075cc2

16− - fast-builder-0.1.2.1

16+- fast-builder-0.1.2.1

17− - winery-1.3.2

17+- winery-1.3.2

18− - barbies-2.0.2.0

18+- barbies-2.0.2.0

19− - barbies-th-0.1.7

19+- barbies-th-0.1.7

20− - extended-reals-0.2.3.0

20+- extended-reals-0.2.3.0

21− - data-interval-2.0.1

21+- data-interval-2.0.1

22− - stm-containers-1.1.0.4

22+- stm-containers-1.1.0.4

23− - stm-hamt-1.2.0.4

23+- stm-hamt-1.2.0.4

24− - rset-1.0.0

24+- rset-1.0.0

25− - hashable-time-0.2.0.2

25+- hashable-time-0.2.0.2

26− - network-transport-tcp-0.7.0

26+- network-transport-tcp-0.7.0

27− - megaparsec-7.0.5

27+- megaparsec-7.0.5

28− - network-2.8.0.1

28+- network-2.8.0.1

29− - primitive-extras-0.8

29+- primitive-extras-0.8

30− - primitive-unlifted-0.1.3.0

30+- primitive-unlifted-0.1.3.0

31− - prettyprinter-1.7.0

31+- prettyprinter-1.7.0

32− - prettyprinter-ansi-terminal-1.1.2

32+- prettyprinter-ansi-terminal-1.1.2

33− - base16-bytestring-1.0.1.0

34− - modern-uri-0.3.4.0

35

33

36# Override default flag values for local packages and extra-deps

34# Override default flag values for local packages and extra-deps

37flags:

35flags:

test/Client/Simple.hs+2−1

@@ -9,6 +9,7 @@ import System.IO.Temp

9import System.FilePath

10import ProjectM36.TupleSet

11import ProjectM36.Attribute

12+import qualified Data.Vector as V

12import qualified Data.Map as M

13import qualified Data.Map as M

13

14

14main :: IO ()

15main :: IO ()

@@ -58,7 +59,7 @@ testSimpleCommitFailure = TestCase $ do

58 execute $ Assign "x" (ExistingRelation relationTrue)

59 execute $ Assign "x" (ExistingRelation relationTrue)

59 --cause error

60 --cause error

60 execute $ Assign "x" (MakeStaticRelation failAttrs emptyTupleSet)

61 execute $ Assign "x" (MakeStaticRelation failAttrs emptyTupleSet)

61− let expectedErr = Left (RelError (RelationTypeMismatchError mempty failAttrs))

62+ let expectedErr = Left (RelError (RelationTypeMismatchError V.empty failAttrs))

62 assertEqual "dbc error" expectedErr err

63 assertEqual "dbc error" expectedErr err

63

64

64-- #176 default merge couldn't handle Update

65-- #176 default merge couldn't handle Update

test/Relation/Basic.hs+12−13

@@ -3,6 +3,8 @@ import ProjectM36.Base

3import ProjectM36.Relation

4import ProjectM36.Error

5import ProjectM36.DateExamples

6+import ProjectM36.TupleSet

7+import ProjectM36.Attribute hiding (null, attributeNames)

6import ProjectM36.DataTypes.Primitive

8import ProjectM36.DataTypes.Primitive

7import ProjectM36.RelationalExpression

9import ProjectM36.RelationalExpression

8import ProjectM36.TransactionGraph

10import ProjectM36.TransactionGraph

@@ -23,8 +25,8 @@ testList = TestList [testRelation "relationTrue" relationTrue, testRelation "rel

23 testRelation "products" productsRel,

25 testRelation "products" productsRel,

24 testRelation "supplierProducts" supplierProductsRel,

26 testRelation "supplierProducts" supplierProductsRel,

25 testMkRelationFromExprsBadAttrs,

27 testMkRelationFromExprsBadAttrs,

26− testExistingRelationType,

28+ testDuplicateAttributes,

27− testReorderTuple

29+ testExistingRelationType

28 ]

30 ]

29

31

30main :: IO ()

32main :: IO ()

@@ -63,7 +65,7 @@ validateAttrTypesMatchTupleAttrTypes rel@(Relation attrs tupSet) = foldr (\tuple

63 attrChecks tuple = V.map (\attr -> case atomForAttributeName (A.attributeName attr) tuple of

65 attrChecks tuple = V.map (\attr -> case atomForAttributeName (A.attributeName attr) tuple of

64 Left _ -> False

66 Left _ -> False

65 Right atom -> Right (atomTypeForAtom atom) ==

67 Right atom -> Right (atomTypeForAtom atom) ==

66− A.atomTypeForAttributeName (A.attributeName attr) attrs) (attributesVec (attributes rel))

68+ A.atomTypeForAttributeName (A.attributeName attr) attrs) (attributes rel)

67

69

68simpleRel :: Relation

70simpleRel :: Relation

69simpleRel = case mkRelation attrs tupleSet of

71simpleRel = case mkRelation attrs tupleSet of

@@ -101,19 +103,16 @@ testMkRelationFromExprsBadAttrs = TestCase $ do

101 Left err -> assertEqual "tuple type mismatch" (TupleAttributeTypeMismatchError (A.attributesFromList [Attribute "badAttr2" IntAtomType])) err

103 Left err -> assertEqual "tuple type mismatch" (TupleAttributeTypeMismatchError (A.attributesFromList [Attribute "badAttr2" IntAtomType])) err

102 Right _ -> assertFailure "expected tuple type mismatch"

104 Right _ -> assertFailure "expected tuple type mismatch"

103

105

106+--creating an empty relation with duplicate attribute names should fail

107+testDuplicateAttributes :: Test

108+testDuplicateAttributes = TestCase $ do

109+ let eRel = mkRelation attrs emptyTupleSet

110+ attrs = attributesFromList [Attribute "a" IntAtomType, Attribute "a" TextAtomType]

111+ assertEqual "duplicate attribute names" (Left (DuplicateAttributeNamesError (S.singleton "a"))) eRel

112+

104testExistingRelationType :: Test

113testExistingRelationType :: Test

105testExistingRelationType = TestCase $ do

114testExistingRelationType = TestCase $ do

106 (graph, _) <- freshTransactionGraph dateExamples

115 (graph, _) <- freshTransactionGraph dateExamples

107 let typeResult = runRelationalExprM reenv (typeForRelationalExpr (ExistingRelation relationTrue))

116 let typeResult = runRelationalExprM reenv (typeForRelationalExpr (ExistingRelation relationTrue))

108 reenv = mkRelationalExprEnv dateExamples graph

117 reenv = mkRelationalExprEnv dateExamples graph

109 assertEqual "ExistingRelation with tuples type" (Right relationFalse) typeResult

118 assertEqual "ExistingRelation with tuples type" (Right relationFalse) typeResult

110−

111−-- | Ensure that tuple reordering honors the

112−testReorderTuple :: Test

113−testReorderTuple = TestCase $ do

114− let tup1 = mkRelationTuple attrs1 (V.fromList [IntAtom 4, TextAtom "test"])

115− attrs1 = A.attributesFromList [Attribute "a" IntAtomType, Attribute "b" TextAtomType]

116− attrs2 = A.attributesFromList [Attribute "b" TextAtomType, Attribute "a" IntAtomType]

117− actual = reorderTuple attrs2 tup1

118− expected = mkRelationTuple attrs2 (V.fromList [TextAtom "test", IntAtom 4])

119− assertEqual "reorderTuple" expected actual

test/Relation/Tupleable.hs+4−5

@@ -13,7 +13,7 @@

13import Test.HUnit

14import ProjectM36.Tupleable.Deriving

15import ProjectM36.Atomable

16−import ProjectM36.Attribute as A

16+import ProjectM36.Attribute

17import ProjectM36.Error

18import ProjectM36.Base

19import Control.DeepSeq (NFData)

@@ -110,7 +110,7 @@ main = do

110 if errors tcounts + failures tcounts > 0 then exitFailure else exitSuccess

111

112testList :: Test

113−testList = TestList [testADT1, testADT2, testADT3, testADT4, testADT6, testADT7, testADT8 ,testInsertExpr, testDefineExpr, testUpdateExpr, testUpdateExprEmptyAttrs, testDeleteExpr, testUpdateExprWrongAttr, testReorderedTuple, testAddPrefixField, testDropPrefixField, testAddSuffixField, testDropSuffixField, testUpperCaseField, testLowerCaseField, testTitleCaseField, testCamelCaseField, testPascalCaseField, testSnakeCaseField, testSpinalCaseField, testTrainCaseField, testAsIsCodec, testAsIsField, testComposeRLCodec, testComposeRLField, testComposeLRCodec, testComposeLRField]

113+testList = TestList [testADT1, testADT2, testADT3, testADT4, testADT6, testADT7, testADT8, testInsertExpr, testDefineExpr, testUpdateExpr, testUpdateExprEmptyAttrs, testDeleteExpr, testUpdateExprWrongAttr, testReorderedTuple, testAddPrefixField, testDropPrefixField, testAddSuffixField, testDropSuffixField, testUpperCaseField, testLowerCaseField, testTitleCaseField, testCamelCaseField, testPascalCaseField, testSnakeCaseField, testSpinalCaseField, testTrainCaseField, testAsIsCodec, testAsIsField, testComposeRLCodec, testComposeRLField, testComposeLRCodec, testComposeLRField]

114

115testADT1 :: Test

116testADT1 = TestCase $ assertEqual "one record constructor" (Right example) (fromTuple (toTuple example))

@@ -148,7 +148,7 @@ testADT7 :: Test

148testADT7 = TestCase $ do

149 let example = Test7C (Test7AC 3)

150 assertEqual "atom type" (Right example) (fromTuple (toTuple example))

151− let expectedAttrs = A.singleton (Attribute "" (ConstructedAtomType "Test7A" M.empty))

151+ let expectedAttrs = V.singleton (Attribute "" (ConstructedAtomType "Test7A" M.empty))

152 assertEqual "adt atomtype" expectedAttrs (toAttributes (Proxy :: Proxy Test7T))

153

154testADT8 :: Test

@@ -222,8 +222,7 @@ testDeleteExpr = TestCase $ do

222testReorderedTuple :: Test

223testReorderedTuple = TestCase $ do

224 let tupleRev :: RelationTuple -> RelationTuple

225− tupleRev (RelationTuple v1 v2) = RelationTuple (revAttrs v1) (V.reverse v2)

225+ tupleRev (RelationTuple v1 v2) = RelationTuple (V.reverse v1) (V.reverse v2)

226− revAttrs attrs = A.attributesFromList (reverse (A.toList attrs))

227 expected = Test2C {attrB = 3,

226 expected = Test2C {attrB = 3,

228 attrC = 4}

227 attrC = 4}

229 actual = fromTuple . tupleRev . toTuple $ expected

228 actual = fromTuple . tupleRev . toTuple $ expected

test/Server/Main.hs+4−10

@@ -23,6 +23,8 @@ import System.FilePath

23import System.Directory

24#endif

25

26+import Debug.Trace

27+

26type Timeout = Int

28type Timeout = Int

27

29

28testList :: SessionId -> Connection -> MVar () -> Test

30testList :: SessionId -> Connection -> MVar () -> Test

@@ -42,7 +44,7 @@ testList sessionId conn notificationTestMVar = TestList $ serverTests ++ session

42 testRelationVariableSummary,

44 testRelationVariableSummary,

43 testNotification notificationTestMVar

45 testNotification notificationTestMVar

44 ]

46 ]

45− serverTests = [testRequestTimeout, testFileDescriptorCount, testClientConnectFail]

47+ serverTests = [testRequestTimeout, testFileDescriptorCount]

46

48

47main :: IO ()

49main :: IO ()

48main = do

50main = do

@@ -207,7 +209,7 @@ testRequestTimeout = TestCase $ do

207 case eTestConn of

209 case eTestConn of

208 Left err -> putStrLn ("failed to connect: " ++ show err) >> exitFailure

210 Left err -> putStrLn ("failed to connect: " ++ show err) >> exitFailure

209 Right (session, testConn) -> do

211 Right (session, testConn) -> do

210− res <- catchJust (\exc -> if exc == RequestTimeoutException then Just exc else Nothing) (callTestTimeout_ session testConn) (const (pure False))

212+ res <- catchJust (\exc -> if traceShowId exc == RequestTimeoutException then Just exc else Nothing) (callTestTimeout_ session testConn) (const (pure False))

211 assertBool "timeout exception was not thrown" (not res)

213 assertBool "timeout exception was not thrown" (not res)

212 killThread serverTid

214 killThread serverTid

213

215

@@ -238,11 +240,3 @@ fdCount = do

238--pass on non-linux platforms

240--pass on non-linux platforms

239testFileDescriptorCount = TestCase (pure ())

241testFileDescriptorCount = TestCase (pure ())

240#endif

242#endif

241−

242−testClientConnectFail :: Test

243−testClientConnectFail = TestCase $ do

244− let connInfo = RemoteConnectionInfo "nonexistentdb" "127.0.0.1" "7777" emptyNotificationCallback

245− eConn <- connectProjectM36 connInfo

246− case eConn of

247− Left (IOExceptionError _) -> pure ()

248− _ -> assertFailure "connection failure failed"

test/TutorialD/InterpreterTest.hs → test/TutorialD/Interpreter.hsrenamed+4−10

@@ -87,8 +87,7 @@ main = do

87simpleRelTests :: Test

88simpleRelTests = TestCase $ do

89 (graph, transId) <- freshTransactionGraph dateExamples

90− mapM_ (\(tutd, expected) ->

91− assertTutdEqual basicDatabaseContext transId graph expected tutd) testTups

90+ mapM_ (\(tutd, expected) -> assertTutdEqual basicDatabaseContext transId graph expected tutd) testTups

92 where

91 where

93 testTups = [("x:=true", Right relationTrue),

92 testTups = [("x:=true", Right relationTrue),

94 ("x:=false", Right relationFalse),

93 ("x:=false", Right relationFalse),

@@ -136,8 +135,7 @@ simpleRelTests = TestCase $ do

136dateExampleRelTests :: Test

135dateExampleRelTests :: Test

137dateExampleRelTests = TestCase $ do

136dateExampleRelTests = TestCase $ do

138 (graph, transId) <- freshTransactionGraph dateExamples

137 (graph, transId) <- freshTransactionGraph dateExamples

139− mapM_ (\(tutd, expected) ->

140− assertTutdEqual dateExamples transId graph expected tutd) testTups

138+ mapM_ (\(tutd, expected) -> assertTutdEqual dateExamples transId graph expected tutd) testTups

141 where

139 where

142 simpleEitherIntTextAttributes = A.attributesFromList [Attribute "a" (eitherAtomType IntegerAtomType TextAtomType)]

140 simpleEitherIntTextAttributes = A.attributesFromList [Attribute "a" (eitherAtomType IntegerAtomType TextAtomType)]

143 maybeIntegerAtomType = ConstructedAtomType "Maybe" (M.singleton "a" IntegerAtomType)

141 maybeIntegerAtomType = ConstructedAtomType "Maybe" (M.singleton "a" IntegerAtomType)

@@ -362,7 +360,7 @@ testComments :: Test

362testComments = TestCase $ do

360testComments = TestCase $ do

363 (sessionId, dbconn) <- dateExamplesConnection emptyNotificationCallback

361 (sessionId, dbconn) <- dateExamplesConnection emptyNotificationCallback

364 mapM_ (executeTutorialD sessionId dbconn) [

362 mapM_ (executeTutorialD sessionId dbconn) [

365− ":branch testbranch --test comment",

363+ ":branch testbranch --test comment\n",

366 ":jumphead {- test comment -} master"]

364 ":jumphead {- test comment -} master"]

367

365

368-- create a graph and query from two disparate contexts

366-- create a graph and query from two disparate contexts

@@ -545,7 +543,7 @@ testListConstructedAtom = TestCase $ do

545testTypeChecker :: Test

543testTypeChecker :: Test

546testTypeChecker = TestCase $ do

544testTypeChecker = TestCase $ do

547 (sessionId, dbconn) <- dateExamplesConnection emptyNotificationCallback

545 (sessionId, dbconn) <- dateExamplesConnection emptyNotificationCallback

548− let err1 = "AtomFunctionTypeError \"max\" 1"

546+ let err1 = "AtomFunctionTypeError \"max\" 1 (RelationAtomType [Attribute \"_\" IntegerAtomType]) IntegerAtomType"

549 expectTutorialDErr sessionId dbconn (T.isPrefixOf err1) "x:=relation{tuple{a 0}}:{b:=max(@a)}"

547 expectTutorialDErr sessionId dbconn (T.isPrefixOf err1) "x:=relation{tuple{a 0}}:{b:=max(@a)}"

550

548

551--exercise expression parser

549--exercise expression parser

@@ -665,10 +663,6 @@ testWithClause = TestCase $ do

665 executeTutorialD sessionId dbconn "x:=with (x as s) x"

663 executeTutorialD sessionId dbconn "x:=with (x as s) x"

666 eX <- executeRelationalExpr sessionId dbconn (RelationVariable "x" ())

664 eX <- executeRelationalExpr sessionId dbconn (RelationVariable "x" ())

667 assertEqual "with x as s" (Right suppliersRel) eX

665 assertEqual "with x as s" (Right suppliersRel) eX

668−

669− executeTutorialD sessionId dbconn "y:=with(a as true) (with (b as a) b)"

670− eY <- executeRelationalExpr sessionId dbconn (RelationVariable "y" ())

671− assertEqual "nested with" (Right relationTrue) eY

672

666

673 let err1 = "RelVarAlreadyDefinedError"

667 let err1 = "RelVarAlreadyDefinedError"

674 expectTutorialDErr sessionId dbconn (T.isPrefixOf err1) "x:=with (s as s) s"

668 expectTutorialDErr sessionId dbconn (T.isPrefixOf err1) "x:=with (s as s) s"

test/TutorialD/Interpreter/Import/ImportTest.hsdeleted−47

@@ -1,47 +0,0 @@

1−import Test.HUnit

2−import ProjectM36.Base

3−import TutorialD.Interpreter.Import.TutorialD

4−import System.Exit

5−import qualified Data.Text as T

6−import System.IO.Temp

7−import System.FilePath

8−import qualified Data.Map as M

9−import System.IO

10−import System.Directory

11−import qualified Data.ByteString as BS

12−import qualified Data.Text.Encoding as TE

13−import Text.URI hiding (makeAbsolute)

14−

15−main :: IO ()

16−main = do

17− tcounts <- runTestTT $ TestList [testTutdFileImport

18− ,testTutdHTTPSImport

19− ]

20− if errors tcounts + failures tcounts > 0 then exitFailure else exitSuccess

21−

22−testTutdFileImport :: Test

23−testTutdFileImport = TestCase $

24− withSystemTempFile "m.tutd" $ \tempPath handle -> do

25− BS.hPut handle (TE.encodeUtf8 "x:=relation{tuple{a 5,b \"spam\"}}; y:=relation{tuple{b \"漢字\"}}")

26− hClose handle

27− let expectedExpr = MultipleExpr [

28− Assign "x" (MakeRelationFromExprs Nothing

29− $ TupleExprs () [TupleExpr (M.fromList [("a", NakedAtomExpr $ IntegerAtom 5),

30− ("b", NakedAtomExpr $ TextAtom "spam")])]),

31− Assign "y" (MakeRelationFromExprs Nothing

32− $ TupleExprs () [TupleExpr (M.fromList [("b", NakedAtomExpr (TextAtom "漢字"))])])]

33− --on Windows, the file URI should not include the drive letter "/c/Users..." -> "/Users"

34− let uri = "file://" <> map (\c -> if c == '\\' then '/' else c) ( joinDrive "/" (dropDrive tempPath))

35− fileURI <- mkURI (T.pack uri)

36− imported <- importTutorialDFromFile fileURI Nothing

37− assertEqual "import tutd" (Right expectedExpr) imported

38−

39−testTutdHTTPSImport :: Test

40−testTutdHTTPSImport = TestCase $ do

41− uri <- mkURI "https://raw.githubusercontent.com/agentm/project-m36/master/test/TutorialD/Interpreter/Import/httpimporttest.tutd"

42− let hash = "effe32b247586dc3ac0079fc241b9618d41d189afcaeb7907edbe5a8b45992a4"

43− expected = Right (MultipleExpr [Assign "x" (RelationVariable "true" ()),Assign "y" (RelationVariable "false" ())])

44− actual <- importTutorialDViaHTTP uri (Just hash)

45− assertEqual "github https" expected actual

46−

47−

test/TutorialD/Interpreter/Import/TutorialD.hsnew file+29

@@ -0,0 +1,29 @@

1+import Test.HUnit

2+import ProjectM36.Base

3+import TutorialD.Interpreter.Import.TutorialD

4+import System.Exit

5+import System.IO.Temp

6+import qualified Data.Map as M

7+import System.IO

8+import qualified Data.ByteString as BS

9+import qualified Data.Text.Encoding as TE

10+

11+main :: IO ()

12+main = do

13+ tcounts <- runTestTT $ TestList [testTutdImport]

14+ if errors tcounts + failures tcounts > 0 then exitFailure else exitSuccess

15+

16+testTutdImport :: Test

17+testTutdImport = TestCase $

18+ withSystemTempFile "m.tutd" $ \tempPath handle -> do

19+ BS.hPut handle (TE.encodeUtf8 "x:=relation{tuple{a 5,b \"spam\"}}; y:=relation{tuple{b \"漢字\"}}")

20+ hClose handle

21+ let expectedExpr = MultipleExpr [

22+ Assign "x" (MakeRelationFromExprs Nothing

23+ $ TupleExprs () [TupleExpr (M.fromList [("a", NakedAtomExpr $ IntegerAtom 5),

24+ ("b", NakedAtomExpr $ TextAtom "spam")])]),

25+ Assign "y" (MakeRelationFromExprs Nothing

26+ $ TupleExprs () [TupleExpr (M.fromList [("b", NakedAtomExpr (TextAtom "漢字"))])])]

27+ imported <- importTutorialD tempPath

28+ assertEqual "import tutd" (Right expectedExpr) imported

29+

test/TutorialD/Interpreter/Import/httpimporttest.tutddeleted−2

@@ -1,2 +0,0 @@

1−x:=true;

2−y:=false;

test/TutorialD/PrinterTest.hs → test/TutorialD/Printer.hsrenamed

The content is the same.

test/scripts.hs+2−5

@@ -4,8 +4,6 @@ import TutorialD.Interpreter.Import.TutorialD

4import System.Directory

5import Data.List (isSuffixOf)

6import System.Exit

7−import qualified Data.Text as T

8−import Text.URI

9

7

10testList :: IO Test

8testList :: IO Test

11testList = do

9testList = do

@@ -22,8 +20,7 @@ main = do

22

20

23testScript :: FilePath -> Test

21testScript :: FilePath -> Test

24testScript tutdFile = TestCase $ do

22testScript tutdFile = TestCase $ do

25− fileURI <- mkURI (T.pack ("file://" <> tutdFile))

23+ eImport <- importTutorialD tutdFile

26− eImport <- importTutorialDFromFile fileURI Nothing

27 case eImport of

24 case eImport of

28 Left err -> assertFailure ("tutd import failure in " ++ tutdFile ++ ": " ++ show err)

25 Left err -> assertFailure ("tutd import failure in " ++ tutdFile ++ ": " ++ show err)

29− Right _ -> pure ()

26+ Right _ -> pure ()