git.iko.soy/typeable/postgresql-simple
on fd20fc6 help sign in
18 files changed+209−170
since splitsnapshots
unifiedsplit
.github/workflows/haskell-ci.yml+47−24 .github/workflows/simple.yml+2−2 CHANGES.md−10 postgresql-simple.cabal+46−23 src/Database/PostgreSQL/Simple.hs−1 src/Database/PostgreSQL/Simple/Compat.hs+53 src/Database/PostgreSQL/Simple/Copy.hs+4 src/Database/PostgreSQL/Simple/Errors.hs+2−3 src/Database/PostgreSQL/Simple/FromField.hs+6−4 src/Database/PostgreSQL/Simple/HStore/Implementation.hs+6 src/Database/PostgreSQL/Simple/Internal.hs+7−31 src/Database/PostgreSQL/Simple/Internal/PQResultUtils.hs+4 src/Database/PostgreSQL/Simple/Notification.hs+17 src/Database/PostgreSQL/Simple/Ok.hs+4 src/Database/PostgreSQL/Simple/ToField.hs+4 src/Database/PostgreSQL/Simple/Types.hs+7 test/Exception.hs−70 test/Main.hs−2
.github/workflows/haskell-ci.yml+47−24
@@ -8,9 +8,9 @@
88#
99# For more information, see https://github.com/haskell-CI/haskell-ci
1010#
11−# version: 0.17.20231110
11+# version: 0.16.6
1212#
13−# REGENDATA ("0.17.20231110",["github","cabal.project"])
13+# REGENDATA ("0.16.6",["github","cabal.project"])
1414#
1515name: Haskell-CI
1616on:
@@ -38,19 +38,14 @@ jobs:
3838 strategy:
3939 matrix:
4040 include:
41− - compiler: ghc-9.8.1
41+ - compiler: ghc-9.6.2
4242 compilerKind: ghc
43− compilerVersion: 9.8.1
43+ compilerVersion: 9.6.2
4444 setup-method: ghcup
4545 allow-failure: false
46− - compiler: ghc-9.6.3
46+ - compiler: ghc-9.4.5
4747 compilerKind: ghc
48− compilerVersion: 9.6.3
49− setup-method: ghcup
50− allow-failure: false
51− - compiler: ghc-9.4.8
52− compilerKind: ghc
53− compilerVersion: 9.4.8
48+ compilerVersion: 9.4.5
5449 setup-method: ghcup
5550 allow-failure: false
5651 - compiler: ghc-9.2.8
@@ -78,6 +73,36 @@ jobs:
7873 compilerVersion: 8.6.5
7974 setup-method: hvr-ppa
8075 allow-failure: false
76+ - compiler: ghc-8.4.4
77+ compilerKind: ghc
78+ compilerVersion: 8.4.4
79+ setup-method: hvr-ppa
80+ allow-failure: false
81+ - compiler: ghc-8.2.2
82+ compilerKind: ghc
83+ compilerVersion: 8.2.2
84+ setup-method: hvr-ppa
85+ allow-failure: false
86+ - compiler: ghc-8.0.2
87+ compilerKind: ghc
88+ compilerVersion: 8.0.2
89+ setup-method: hvr-ppa
90+ allow-failure: false
91+ - compiler: ghc-7.10.3
92+ compilerKind: ghc
93+ compilerVersion: 7.10.3
94+ setup-method: hvr-ppa
95+ allow-failure: false
96+ - compiler: ghc-7.8.4
97+ compilerKind: ghc
98+ compilerVersion: 7.8.4
99+ setup-method: hvr-ppa
100+ allow-failure: false
101+ - compiler: ghc-7.6.3
102+ compilerKind: ghc
103+ compilerVersion: 7.6.3
104+ setup-method: hvr-ppa
105+ allow-failure: false
81106 fail-fast: false
82107 steps:
83108 - name: apt
@@ -86,18 +111,18 @@ jobs:
86111 apt-get install -y --no-install-recommends gnupg ca-certificates dirmngr curl git software-properties-common libtinfo5
87112 if [ "${{ matrix.setup-method }}" = ghcup ]; then
88113 mkdir -p "$HOME/.ghcup/bin"
89− curl -sL https://downloads.haskell.org/ghcup/0.1.20.0/x86_64-linux-ghcup-0.1.20.0 > "$HOME/.ghcup/bin/ghcup"
114+ curl -sL https://downloads.haskell.org/ghcup/0.1.19.2/x86_64-linux-ghcup-0.1.19.2 > "$HOME/.ghcup/bin/ghcup"
90115 chmod a+x "$HOME/.ghcup/bin/ghcup"
91116 "$HOME/.ghcup/bin/ghcup" install ghc "$HCVER" || (cat "$HOME"/.ghcup/logs/*.* && false)
92− "$HOME/.ghcup/bin/ghcup" install cabal 3.10.2.0 || (cat "$HOME"/.ghcup/logs/*.* && false)
117+ "$HOME/.ghcup/bin/ghcup" install cabal 3.10.1.0 || (cat "$HOME"/.ghcup/logs/*.* && false)
93118 else
94119 apt-add-repository -y 'ppa:hvr/ghc'
95120 apt-get update
96121 apt-get install -y "$HCNAME"
97122 mkdir -p "$HOME/.ghcup/bin"
98− curl -sL https://downloads.haskell.org/ghcup/0.1.20.0/x86_64-linux-ghcup-0.1.20.0 > "$HOME/.ghcup/bin/ghcup"
123+ curl -sL https://downloads.haskell.org/ghcup/0.1.19.2/x86_64-linux-ghcup-0.1.19.2 > "$HOME/.ghcup/bin/ghcup"
99124 chmod a+x "$HOME/.ghcup/bin/ghcup"
100− "$HOME/.ghcup/bin/ghcup" install cabal 3.10.2.0 || (cat "$HOME"/.ghcup/logs/*.* && false)
125+ "$HOME/.ghcup/bin/ghcup" install cabal 3.10.1.0 || (cat "$HOME"/.ghcup/logs/*.* && false)
101126 fi
102127 env:
103128 HCKIND: ${{ matrix.compilerKind }}
@@ -111,19 +136,17 @@ jobs:
111136 echo "CABAL_CONFIG=$HOME/.cabal/config" >> "$GITHUB_ENV"
112137 HCDIR=/opt/$HCKIND/$HCVER
113138 if [ "${{ matrix.setup-method }}" = ghcup ]; then
114− HC=$("$HOME/.ghcup/bin/ghcup" whereis ghc "$HCVER")
115− HCPKG=$(echo "$HC" | sed 's#ghc$#ghc-pkg#')
116− HADDOCK=$(echo "$HC" | sed 's#ghc$#haddock#')
139+ HC=$HOME/.ghcup/bin/$HCKIND-$HCVER
117140 echo "HC=$HC" >> "$GITHUB_ENV"
118− echo "HCPKG=$HCPKG" >> "$GITHUB_ENV"
119− echo "HADDOCK=$HADDOCK" >> "$GITHUB_ENV"
120− echo "CABAL=$HOME/.ghcup/bin/cabal-3.10.2.0 -vnormal+nowrap" >> "$GITHUB_ENV"
141+ echo "HCPKG=$HOME/.ghcup/bin/$HCKIND-pkg-$HCVER" >> "$GITHUB_ENV"
142+ echo "HADDOCK=$HOME/.ghcup/bin/haddock-$HCVER" >> "$GITHUB_ENV"
143+ echo "CABAL=$HOME/.ghcup/bin/cabal-3.10.1.0 -vnormal+nowrap" >> "$GITHUB_ENV"
121144 else
122145 HC=$HCDIR/bin/$HCKIND
123146 echo "HC=$HC" >> "$GITHUB_ENV"
124147 echo "HCPKG=$HCDIR/bin/$HCKIND-pkg" >> "$GITHUB_ENV"
125148 echo "HADDOCK=$HCDIR/bin/haddock" >> "$GITHUB_ENV"
126− echo "CABAL=$HOME/.ghcup/bin/cabal-3.10.2.0 -vnormal+nowrap" >> "$GITHUB_ENV"
149+ echo "CABAL=$HOME/.ghcup/bin/cabal-3.10.1.0 -vnormal+nowrap" >> "$GITHUB_ENV"
127150 fi
128151
129152 HCNUMVER=$(${HC} --numeric-version|perl -ne '/^(\d+)\.(\d+)\.(\d+)(\.(\d+))?$/; print(10000 * $1 + 100 * $2 + ($3 == 0 ? $5 != 1 : $3))')
@@ -206,8 +229,8 @@ jobs:
206229 touch cabal.project
207230 touch cabal.project.local
208231 echo "packages: ${PKGDIR_postgresql_simple}" >> cabal.project
209− echo "package postgresql-simple" >> cabal.project
210− echo " ghc-options: -Werror=missing-methods" >> cabal.project
232+ if [ $((HCNUMVER >= 80200)) -ne 0 ] ; then echo "package postgresql-simple" >> cabal.project ; fi
233+ if [ $((HCNUMVER >= 80200)) -ne 0 ] ; then echo " ghc-options: -Werror=missing-methods" >> cabal.project ; fi
211234 cat >> cabal.project <<EOF
212235 allow-newer: cryptohash-md5-0.11.100.1:base
213236 EOF
.github/workflows/simple.yml+2−2
@@ -14,7 +14,7 @@ jobs:
1414 strategy:
1515 matrix:
1616 os: [macos-latest, windows-latest]
17− ghc: ['8.10','9.0','9.2','9.4.8','9.6.3','9.8.1']
17+ ghc: ['8.10','9.0','9.2','9.4.2']
1818 fail-fast: false
1919 timeout-minutes:
2020 60
@@ -29,7 +29,7 @@ jobs:
2929 uses: haskell/actions/setup@v2
3030 with:
3131 ghc-version: ${{ matrix.ghc }}
32− cabal-version: '3.10.2.0'
32+ cabal-version: '3.10.1.0'
3333
3434 - name: Set up PostgreSQL
3535 uses: ikalnytskyi/action-setup-postgres@v3
CHANGES.md−10
@@ -1,13 +1,3 @@
1−### Version 0.7.0.0 (2023-07-31)
2−
3− * Remove Eq Null instance. (Future `base` may break it, we remove it profilacticly).
4− * Use `postgresql-libpq >=0.10.0.0`. It includes critical fixes,
5− by using `postgresql-simple >=0.7` you won't get older `postgresql-libpq`.
6− * Drop support for GHC prior 8.6
7− * Added a class for `postgresql-simple` exceptions: `SomePostgreSqlException`.
8− This allows to catch all `postgresql-simple` exceptions at once.
9− (c.f. `AsyncException` in `base).
10−
111### Version 0.6.5.1 (2023-07-09)
122
133 * Support `aeson-2.2.0.0`
postgresql-simple.cabal+46−23
@@ -1,7 +1,6 @@
11cabal-version: 1.12
22name: postgresql-simple
3−version: 0.7.0.0
4−x-revision: 1
3+version: 0.6.5.1
54synopsis: Mid-Level PostgreSQL client library
65description:
76 Mid-Level PostgreSQL client library, forked from mysql-simple.
@@ -24,14 +23,19 @@ extra-source-files:
2423 test/results/unique-constraint-violation.expected
2524
2625tested-with:
27− GHC ==8.6.5
26+ GHC ==7.6.3
27+ || ==7.8.4
28+ || ==7.10.3
29+ || ==8.0.2
30+ || ==8.2.2
31+ || ==8.4.4
32+ || ==8.6.5
2833 || ==8.8.4
2934 || ==8.10.7
3035 || ==9.0.2
3136 || ==9.2.8
32− || ==9.4.8
33− || ==9.6.3
34− || ==9.8.1
37+ || ==9.4.5
38+ || ==9.6.2
3539
3640library
3741 default-language: Haskell2010
@@ -77,25 +81,34 @@ library
7781
7882 -- GHC bundled libs
7983 build-depends:
80− base >=4.12.0.0 && <4.20
81− , bytestring >=0.10.8.2 && <0.13
82− , containers >=0.6.0.1 && <0.7
83− , template-haskell >=2.14.0.0 && <2.22
84− , text >=1.2.3.0 && <1.3 || >=2.0 && <2.2
84+ base >=4.6.0.0 && <4.19
85+ , bytestring >=0.10.0.0 && <0.12
86+ , containers >=0.5.0.0 && <0.7
87+ , template-haskell >=2.8.0.0 && <2.21
88+ , text >=1.2.3.0 && <1.3 || >=2.0 && <2.1
8589 , time-compat >=1.9.5 && <1.12
86− , transformers >=0.5.6.2 && <0.7
90+ , transformers >=0.3.0.0 && <0.7
8791
8892 -- Other dependencies
8993 build-depends:
90− aeson >=2.1.2.1 && <2.3
91− , attoparsec >=0.14.4 && <0.15
92− , case-insensitive >=1.2.1.0 && <1.3
93− , hashable >=1.4.3.0 && <1.5
94− , Only >=0.1 && <0.1.1
95− , postgresql-libpq >=0.10.0.0 && <0.11
96− , scientific >=0.3.7.0 && <0.4
97− , uuid-types >=1.0.5 && <1.1
98− , vector >=0.13.0.0 && <0.14
94+ aeson >=1.4.1.0 && <1.6 || >=2.0.0.0 && <2.3
95+ , attoparsec >=0.13.2.2 && <0.15
96+ , bytestring-builder >=0.10.8.1.0 && <0.11
97+ , case-insensitive >=1.2.0.11 && <1.3
98+ , hashable >=1.2.7.0 && <1.5
99+ , Only >=0.1 && <0.1.1
100+ , postgresql-libpq >=0.9.4.3 && <0.10
101+ , scientific >=0.3.6.2 && <0.4
102+ , uuid-types >=1.0.3 && <1.1
103+ , vector >=0.12.0.1 && <0.14
104+
105+ if !impl(ghc >=8.0)
106+ build-depends:
107+ fail >=4.9.0.0 && <4.10
108+ , semigroups >=0.18.5 && <0.21
109+
110+ if !impl(ghc >=7.6)
111+ build-depends: ghc-prim
99112
100113 default-extensions:
101114 BangPatterns
@@ -110,7 +123,15 @@ source-repository head
110123 type: git
111124 location: http://github.com/haskellari/postgresql-simple
112125
126+source-repository this
127+ type: git
128+ location: http://github.com/haskellari/postgresql-simple
129+ tag: v0.6.3
130+
113131test-suite inspection
132+ if !impl(ghc >=8.0)
133+ buildable: False
134+
114135 default-language: Haskell2010
115136 type: exitcode-stdio-1.0
116137 hs-source-dirs: test
@@ -130,11 +151,10 @@ test-suite test
130151 main-is: Main.hs
131152 other-modules:
132153 Common
133− Exception
134− Interval
135154 Notify
136155 Serializable
137156 Time
157+ Interval
138158
139159 ghc-options: -threaded
140160 ghc-options: -Wall -fno-warn-name-shadowing -fno-warn-unused-do-bind
@@ -164,6 +184,9 @@ test-suite test
164184 , time-compat
165185 , vector
166186
187+ if !impl(ghc >=7.6)
188+ build-depends: ghc-prim
189+
167190benchmark select
168191 default-language: Haskell2010
169192 type: exitcode-stdio-1.0
src/Database/PostgreSQL/Simple.hs−1
@@ -64,7 +64,6 @@ module Database.PostgreSQL.Simple
6464 , Only(..)
6565 , (:.)(..)
6666 -- ** Exceptions
67− , SomePostgreSqlException(..)
6867 , SqlError(..)
6968 , PQ.ExecStatus(..)
7069 , FormatError(..)
src/Database/PostgreSQL/Simple/Compat.hs+53
@@ -12,13 +12,36 @@ module Database.PostgreSQL.Simple.Compat
1212 ) where
1313
1414import qualified Control.Exception as E
15+import Data.Monoid
1516import Data.ByteString (ByteString)
17+#if MIN_VERSION_bytestring(0,10,0)
1618import Data.ByteString.Lazy (toStrict)
19+#else
20+import qualified Data.ByteString as B
21+import Data.ByteString.Lazy (toChunks)
22+#endif
1723import Data.ByteString.Builder (Builder, toLazyByteString)
24+
25+#if MIN_VERSION_scientific(0,3,0)
1826import Data.Text.Lazy.Builder.Scientific (scientificBuilder)
27+#else
28+import Data.Scientific (scientificBuilder)
29+#endif
30+
31+#if __GLASGOW_HASKELL__ >= 702
1932import System.IO.Unsafe (unsafeDupablePerformIO)
33+#elif __GLASGOW_HASKELL__ >= 611
34+import GHC.IO (unsafeDupablePerformIO)
35+#else
36+import GHC.IOBase (unsafeDupablePerformIO)
37+#endif
38+
2039import Data.Fixed (Pico)
40+#if MIN_VERSION_base(4,7,0)
2141import Data.Fixed (Fixed(MkFixed))
42+#else
43+import Unsafe.Coerce (unsafeCoerce)
44+#endif
2245
2346-- | Like 'E.mask', but backported to base before version 4.3.0.
2447--
@@ -28,14 +51,44 @@ import Data.Fixed (Fixed(MkFixed))
2851-- 'withTransactionMode' function calls the restore callback only once, so we
2952-- don't need that polymorphism.
3053mask :: ((IO a -> IO a) -> IO b) -> IO b
54+#if MIN_VERSION_base(4,3,0)
3155mask io = E.mask $ \restore -> io restore
56+#else
57+mask io = do
58+ b <- E.blocked
59+ E.block $ io $ \m -> if b then m else E.unblock m
60+#endif
3261{-# INLINE mask #-}
3362
63+#if !MIN_VERSION_base(4,5,0)
64+infixr 6 <>
65+
66+(<>) :: Monoid m => m -> m -> m
67+(<>) = mappend
68+{-# INLINE (<>) #-}
69+#endif
70+
3471toByteString :: Builder -> ByteString
72+#if MIN_VERSION_bytestring(0,10,0)
3573toByteString x = toStrict (toLazyByteString x)
74+#else
75+toByteString x = B.concat (toChunks (toLazyByteString x))
76+#endif
77+
78+#if MIN_VERSION_base(4,7,0)
3679
3780toPico :: Integer -> Pico
3881toPico = MkFixed
3982
4083fromPico :: Pico -> Integer
4184fromPico (MkFixed i) = i
85+
86+#else
87+
88+toPico :: Integer -> Pico
89+toPico = unsafeCoerce
90+
91+fromPico :: Pico -> Integer
92+fromPico = unsafeCoerce
93+
94+#endif
src/Database/PostgreSQL/Simple/Copy.hs+4
@@ -86,8 +86,12 @@ doCopy funcName conn template q = do
8686 PQ.TuplesOk -> err
8787 PQ.CopyOut -> return ()
8888 PQ.CopyIn -> return ()
89+#if MIN_VERSION_postgresql_libpq(0,9,3)
8990 PQ.CopyBoth -> errMsg "COPY BOTH is not supported"
91+#endif
92+#if MIN_VERSION_postgresql_libpq(0,9,2)
9093 PQ.SingleTuple -> errMsg "single-row mode is not supported"
94+#endif
9195 PQ.BadResponse -> throwResultError funcName result status
9296 PQ.NonfatalError -> throwResultError funcName result status
9397 PQ.FatalError -> throwResultError funcName result status
src/Database/PostgreSQL/Simple/Errors.hs+2−3
@@ -25,6 +25,7 @@ module Database.PostgreSQL.Simple.Errors
2525 )
2626 where
2727
28+import Control.Applicative
2829import Control.Exception as E
2930
3031import Data.Attoparsec.ByteString.Char8
@@ -59,9 +60,7 @@ data ConstraintViolation
5960 deriving (Show, Eq, Ord, Typeable)
6061
6162-- Default instance should be enough
62−instance Exception ConstraintViolation where
63− toException = postgresqlExceptionToException
64− fromException = postgresqlExceptionFromException
63+instance Exception ConstraintViolation
6564
6665
6766-- | Tries to convert 'SqlError' to 'ConstrainViolation', checks sqlState and
src/Database/PostgreSQL/Simple/FromField.hs+6−4
@@ -118,7 +118,7 @@ module Database.PostgreSQL.Simple.FromField
118118
119119import Control.Applicative ( Const(Const), (<|>), (<$>), pure, (*>), (<*) )
120120import Control.Concurrent.MVar (MVar, newMVar)
121−import Control.Exception (Exception (toException, fromException))
121+import Control.Exception (Exception)
122122import qualified Data.Aeson as JSON
123123import Data.Attoparsec.ByteString.Char8 hiding (Result)
124124import Data.ByteString (ByteString)
@@ -154,7 +154,11 @@ import qualified Data.UUID.Types as UUID
154154import Data.Scientific (Scientific)
155155import GHC.Real (infinity, notANumber)
156156
157+#if MIN_VERSION_aeson(2,1,2)
157158import qualified Data.Aeson.Types as JSON
159+#else
160+import qualified Data.Aeson.Internal as JSON
161+#endif
158162
159163-- | Exception thrown if conversion from a SQL value to a Haskell
160164-- value fails.
@@ -182,9 +186,7 @@ data ResultError = Incompatible { errSQLType :: String
182186 -- between metadata and actual data in a row).
183187 deriving (Eq, Show, Typeable)
184188
185−instance Exception ResultError where
186− toException = postgresqlExceptionToException
187− fromException = postgresqlExceptionFromException
189+instance Exception ResultError
188190
189191left :: Exception a => a -> Conversion b
190192left = conversionError
src/Database/PostgreSQL/Simple/HStore/Implementation.hs+6
@@ -22,6 +22,9 @@ import Data.ByteString.Builder (Builder, byteString, char8)
2222import qualified Data.ByteString.Builder as BU
2323import Data.ByteString.Internal (c2w, w2c)
2424import qualified Data.ByteString.Lazy as BL
25+#if !MIN_VERSION_bytestring(0,10,0)
26+import qualified Data.ByteString.Lazy.Internal as BL (foldrChunks)
27+#endif
2528import Data.Map(Map)
2629import qualified Data.Map as Map
2730import Data.Text(Text)
@@ -66,6 +69,9 @@ instance Semigroup HStoreBuilder where
6669
6770instance Monoid HStoreBuilder where
6871 mempty = Empty
72+#if !(MIN_VERSION_base(4,11,0))
73+ mappend = (<>)
74+#endif
6975
7076class ToHStoreText a where
7177 toHStoreText :: a -> HStoreText
src/Database/PostgreSQL/Simple/Internal.hs+7−31
@@ -1,8 +1,6 @@
11{-# LANGUAGE CPP, BangPatterns, DoAndIfThenElse, RecordWildCards #-}
22{-# LANGUAGE DeriveDataTypeable, DeriveGeneric #-}
33{-# LANGUAGE GeneralizedNewtypeDeriving #-}
4−{-# LANGUAGE ExistentialQuantification #-}
5−{-# LANGUAGE InstanceSigs #-}
64
75------------------------------------------------------------------------------
86-- |
@@ -36,6 +34,7 @@ import Data.Int (Int64)
3634import qualified Data.IntMap as IntMap
3735import Data.IORef
3836import Data.Maybe(fromMaybe)
37+import Data.Monoid
3938import Data.String
4039import qualified Data.Text as T
4140import qualified Data.Text.Encoding as TE
@@ -83,25 +82,6 @@ data Connection = Connection {
8382instance Eq Connection where
8483 x == y = connectionHandle x == connectionHandle y
8584
86−-- | Superclass for postgresql exceptions
87−data SomePostgreSqlException = forall e. Exception e => SomePostgreSqlException e
88− deriving Typeable
89−
90−postgresqlExceptionToException :: Exception e => e -> SomeException
91−postgresqlExceptionToException = toException . SomePostgreSqlException
92−
93−postgresqlExceptionFromException :: Exception e => SomeException -> Maybe e
94−postgresqlExceptionFromException x = do
95− SomePostgreSqlException a <- fromException x
96− cast a
97−
98−instance Show SomePostgreSqlException where
99− showsPrec :: Int -> SomePostgreSqlException -> ShowS
100− showsPrec p (SomePostgreSqlException e) = showsPrec p e
101−
102−instance Exception SomePostgreSqlException where
103− displayException (SomePostgreSqlException e) = displayException e
104−
10585data SqlError = SqlError {
10686 sqlState :: ByteString
10787 , sqlExecStatus :: ExecStatus
@@ -113,10 +93,7 @@ data SqlError = SqlError {
11393fatalError :: ByteString -> SqlError
11494fatalError msg = SqlError "" FatalError msg "" ""
11595
116−instance Exception SqlError where
117− toException = postgresqlExceptionToException
118− fromException = postgresqlExceptionFromException
119−
96+instance Exception SqlError
12097
12198-- | Exception thrown if 'query' is used to perform an @INSERT@-like
12299-- operation, or 'execute' is used to perform a @SELECT@-like operation.
@@ -125,9 +102,7 @@ data QueryError = QueryError {
125102 , qeQuery :: Query
126103 } deriving (Eq, Show, Typeable)
127104
128−instance Exception QueryError where
129− toException = postgresqlExceptionToException
130− fromException = postgresqlExceptionFromException
105+instance Exception QueryError
131106
132107-- | Exception thrown if a 'Query' could not be formatted correctly.
133108-- This may occur if the number of \'@?@\' characters in the query
@@ -138,9 +113,7 @@ data FormatError = FormatError {
138113 , fmtParams :: [ByteString]
139114 } deriving (Eq, Show, Typeable)
140115
141−instance Exception FormatError where
142− toException = postgresqlExceptionToException
143− fromException = postgresqlExceptionFromException
116+instance Exception FormatError
144117
145118data ConnectInfo = ConnectInfo {
146119 connectHost :: String
@@ -517,6 +490,9 @@ instance Alternative Conversion where
517490 Errors _ -> (oka <|>) <$> runConversion mb conn
518491
519492instance Monad Conversion where
493+#if !(MIN_VERSION_base(4,8,0))
494+ return = pure
495+#endif
520496 m >>= f = Conversion $ \conn -> do
521497 oka <- runConversion m conn
522498 case oka of
src/Database/PostgreSQL/Simple/Internal/PQResultUtils.hs+4
@@ -76,8 +76,12 @@ finishQueryWith' q result k = do
7676 PQ.CommandOk -> queryErr "query resulted in a command response (did you mean to use `execute` or forget a RETURNING?)"
7777 PQ.CopyOut -> queryErr "query: COPY TO is not supported"
7878 PQ.CopyIn -> queryErr "query: COPY FROM is not supported"
79+#if MIN_VERSION_postgresql_libpq(0,9,3)
7980 PQ.CopyBoth -> queryErr "query: COPY BOTH is not supported"
81+#endif
82+#if MIN_VERSION_postgresql_libpq(0,9,2)
8083 PQ.SingleTuple -> queryErr "query: single-row mode is not supported"
84+#endif
8185 PQ.BadResponse -> throwResultError "query" result status
8286 PQ.NonfatalError -> throwResultError "query" result status
8387 PQ.FatalError -> throwResultError "query" result status
src/Database/PostgreSQL/Simple/Notification.hs+17
@@ -47,6 +47,8 @@ import GHC.IO.Exception ( ioe_location )
4747
4848#if defined(mingw32_HOST_OS)
4949import Control.Concurrent ( threadDelay )
50+#elif !MIN_VERSION_base(4,7,0)
51+import Control.Concurrent ( threadWaitRead )
5052#else
5153import GHC.Conc ( atomically )
5254import Control.Concurrent ( threadWaitReadSTM )
@@ -92,6 +94,21 @@ getNotification conn = join $ withConnection conn fetch
9294 -- with async exceptions, whereas threadDelay can.
9395 Just _fd -> do
9496 return (threadDelay 1000000 >> loop)
97+#elif !MIN_VERSION_base(4,7,0)
98+ -- Technically there's a race condition that is usually benign.
99+ -- If the connection is closed or reset after we drop the
100+ -- lock, and then the fd index is reallocated to a new
101+ -- descriptor before we call threadWaitRead, then
102+ -- we could end up waiting on the wrong descriptor.
103+ --
104+ -- Now, if the descriptor becomes readable promptly, then
105+ -- it's no big deal as we'll wake up and notice the change
106+ -- on the next iteration of the loop. But if are very
107+ -- unlucky, then we could end up waiting a long time.
108+ Just fd -> do
109+ return $ do
110+ threadWaitRead fd `catch` (throwIO . setIOErrorLocation)
111+ loop
95112#else
96113 -- This case fixes the race condition above. By registering
97114 -- our interest in the descriptor before we drop the lock,
src/Database/PostgreSQL/Simple/Ok.hs+4
@@ -72,6 +72,10 @@ instance MonadPlus Ok where
7272 mplus = (<|>)
7373
7474instance Monad Ok where
75+#if !(MIN_VERSION_base(4,8,0))
76+ return = pure
77+#endif
78+
7579 Errors es >>= _ = Errors es
7680 Ok a >>= f = f a
7781
src/Database/PostgreSQL/Simple/ToField.hs+4
@@ -59,7 +59,11 @@ import qualified Data.Vector as V
5959import qualified Database.PostgreSQL.LibPQ as PQ
6060import Database.PostgreSQL.Simple.Time
6161import Data.Scientific (Scientific)
62+#if MIN_VERSION_scientific(0,3,0)
6263import Data.Text.Lazy.Builder.Scientific (scientificBuilder)
64+#else
65+import Data.Scientific (scientificBuilder)
66+#endif
6367import Foreign.C.Types (CUInt(..))
6468
6569-- | How to render an element when substituting it into a query.
src/Database/PostgreSQL/Simple/Types.hs+7
@@ -50,6 +50,10 @@ import Database.PostgreSQL.Simple.Compat (toByteString)
5050data Null = Null
5151 deriving (Read, Show, Typeable)
5252
53+instance Eq Null where
54+ _ == _ = False
55+ _ /= _ = False
56+
5357-- | A placeholder for the PostgreSQL @DEFAULT@ value.
5458data Default = Default
5559 deriving (Read, Show, Typeable)
@@ -93,6 +97,9 @@ instance Semigroup Query where
9397
9498instance Monoid Query where
9599 mempty = Query B.empty
100+#if !(MIN_VERSION_base(4,11,0))
101+ mappend = (<>)
102+#endif
96103
97104-- | Wrap a list of values for use in an @IN@ clause. Replaces a
98105-- single \"@?@\" character with a parenthesized list of rendered
test/Exception.hsdeleted−70
@@ -1,70 +0,0 @@
1−{-# LANGUAGE CPP #-}
2−{-# LANGUAGE OverloadedStrings #-}
3−{-# LANGUAGE ScopedTypeVariables #-}
4−
5−module Exception (testExceptions) where
6−
7−import Database.PostgreSQL.Simple
8−import Test.Tasty.HUnit (Assertion, assertBool)
9−import Common (TestEnv)
10−import Control.Exception (Exception (..), SomeException)
11−import Data.Maybe (isJust)
12−import Data.Either (isLeft)
13−import Control.Exception (throwIO, try)
14−
15−testExceptions :: TestEnv -> Assertion
16−testExceptions _ = do
17− let sqlError = SqlError
18− { sqlState = ""
19− , sqlExecStatus = FatalError
20− , sqlErrorMsg = ""
21− , sqlErrorDetail = ""
22− , sqlErrorHint = ""
23− }
24− let sqlEx :: SomeException = toException sqlError
25− assertBool "SqlError is SomePostgreSqlException" $ isJust (fromException sqlEx :: Maybe SomePostgreSqlException)
26− assertBool "SqlError is SqlError" $ isJust (fromException sqlEx :: Maybe SqlError)
27− eSqlError :: Either SqlError () <- try $ throwIO sqlEx
28− assertBool "Can catch SqlError" $ isLeft eSqlError
29− eSqlPostgreSqlEx :: Either SomePostgreSqlException () <- try $ throwIO sqlEx
30− assertBool "Can catch SomePostgreSqlException from SqlError" $ isLeft eSqlPostgreSqlEx
31−
32− let formatError = FormatError
33− { fmtMessage = ""
34− , fmtQuery = ""
35− , fmtParams = []
36− }
37− let formatEx :: SomeException = toException formatError
38− assertBool "FormatError is SomePostgreSqlException" $ isJust (fromException formatEx :: Maybe SomePostgreSqlException)
39− assertBool "FormatError is FormatError" $ isJust (fromException formatEx :: Maybe FormatError)
40− eFormatError :: Either FormatError () <- try $ throwIO formatEx
41− assertBool "Can catch FormatError" $ isLeft eFormatError
42− eFormatPostreSqlEx :: Either SomePostgreSqlException () <- try $ throwIO formatEx
43− assertBool "Can catch SomePostgreSqlException from FormatError" $ isLeft eFormatPostreSqlEx
44−
45− let queryError = QueryError
46− { qeMessage = ""
47− , qeQuery = ""
48− }
49− let queryEx :: SomeException = toException queryError
50− assertBool "QueryError is SomePostgreSqlException" $ isJust (fromException queryEx :: Maybe SomePostgreSqlException)
51− assertBool "QueryError is QueryError" $ isJust (fromException queryEx :: Maybe QueryError)
52− eQueryError :: Either QueryError () <- try $ throwIO queryEx
53− assertBool "Can catch QueryError" $ isLeft eQueryError
54− eQueryPostgreSqlEx :: Either SomePostgreSqlException () <- try $ throwIO queryEx
55− assertBool "Can catch SomePostgreSqlException from QueryError" $ isLeft eQueryPostgreSqlEx
56−
57− let resultError = Incompatible
58− { errSQLType = ""
59− , errSQLTableOid = Nothing
60− , errSQLField = ""
61− , errHaskellType = ""
62− , errMessage = ""
63− }
64− let resultEx :: SomeException = toException resultError
65− assertBool "ResultError is SomePostgreSqlException" $ isJust (fromException resultEx :: Maybe SomePostgreSqlException)
66− assertBool "ResultError is ResultError" $ isJust (fromException resultEx :: Maybe ResultError)
67− eResultEx :: Either ResultError () <- try $ throwIO resultEx
68− assertBool "Can catch ResultError" $ isLeft eResultEx
69− eResultPostgreSqlEx :: Either SomePostgreSqlException () <- try $ throwIO resultEx
70− assertBool "Can catch SomePostgreSqlException from ResultError" $ isLeft eResultPostgreSqlEx
test/Main.hs−2
@@ -55,7 +55,6 @@ import Notify
5555import Serializable
5656import Time
5757import Interval
58−import Exception (testExceptions)
5958
6059tests :: TestEnv -> TestTree
6160tests env = testGroup "tests"
@@ -85,7 +84,6 @@ tests env = testGroup "tests"
8584 , testCase "2-ary generic" . testGeneric2
8685 , testCase "3-ary generic" . testGeneric3
8786 , testCase "Timeout" . testTimeout
88− , testCase "Exceptions" . testExceptions
8987 ]
9088
9189testBytea :: TestEnv -> TestTree