dev..9ff632c · squeal · git.iko.soy

git.iko.soy/squeal

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README.md+6−6

since splitsnapshots

unifiedsplit

@@ -121,7 +121,7 @@ type Schemas = Public Schema

121

122Notice the use of type operators.

123

124−`:::` is used to pair an alias `Symbol` with a `SchemumType`,

124+`:::` is used to pair an alias `GHC.TypeLits.Symbol` with a `SchemumType`,

125a `TableConstraint` or a `ColumnType`. It is intended to connote Haskell's `::`

126operator.

127

@@ -180,8 +180,8 @@ DROP TABLE "emails";

180DROP TABLE "users";

181```

182

183−We'll need a Haskell type for `User`s. We give the type `SOP.Generic` and

183+We'll need a Haskell type for @User@s. We give the type `Generics.SOP.Generic` and

184−`SOP.HasDatatypeInfo` instances so that we can encode and decode `User`s.

184+`Generics.SOP.HasDatatypeInfo` instances so that we can encode and decode @User@s.

185

186```Haskell

187>>> data User = User { userName :: Text, userEmail :: Maybe Text } deriving (Show, GHC.Generic)

@@ -189,12 +189,12 @@ We'll need a Haskell type for `User`s. We give the type `SOP.Generic` and

189>>> instance SOP.HasDatatypeInfo User

190```

191

192−Next, we'll write `Manipulation_`s to insert `User`s into our two tables.

192+Next, we'll write `Manipulation_`s to insert @User@s into our two tables.

193A `Manipulation_` like `insertInto`, `update` or `deleteFrom`

194has three type parameters, the schemas it refers to, input parameters

195and an output row. When

196−we insert into the users table, we will need a parameter for the `name`

196+we insert into the users table, we will need a parameter for the @name@

197−field but not for the `id` field. Since it's serial, we can use a default

197+field but not for the @id@ field. Since it's serial, we can use a default

198value. However, since the emails table refers to the users table, we will

199need to retrieve the user id that the insert generates and insert it into

200the emails table. We can do this in a single `Manipulation_` by using a

squeal-postgresql/exe/Example.hs+2−2

@@ -53,8 +53,8 @@ setup =

53 >>>

54 createTable #emails

55 ( serial `as` #id :*

56− hask @Int32 `as` #user_id :*

56+ (int & notNullable) `as` #user_id :*

57− hask @(Maybe Text) `as` #email )

57+ (text & nullable) `as` #email )

58 ( primaryKey #id `as` #pk_emails :*

59 foreignKey #user_id #users #id

60 OnDeleteCascade OnUpdateCascade `as` #fk_user_id )

squeal-postgresql/squeal-postgresql.cabal+1

@@ -28,6 +28,7 @@ library

28 Squeal.PostgreSQL.Definition.Function

29 Squeal.PostgreSQL.Definition.Index

30 Squeal.PostgreSQL.Definition.Table

31+ Squeal.PostgreSQL.Definition.Table.Column

31 Squeal.PostgreSQL.Definition.Table.Constraint

32 Squeal.PostgreSQL.Definition.Table.Constraint

32 Squeal.PostgreSQL.Definition.Type

33 Squeal.PostgreSQL.Definition.Type

33 Squeal.PostgreSQL.Definition.Schema

34 Squeal.PostgreSQL.Definition.Schema

squeal-postgresql/src/Squeal/PostgreSQL.hs+1

@@ -199,6 +199,7 @@ import Squeal.PostgreSQL.Definition.Function as X

199import Squeal.PostgreSQL.Definition.Index as X

200import Squeal.PostgreSQL.Definition.Schema as X

201import Squeal.PostgreSQL.Definition.Table as X

202+import Squeal.PostgreSQL.Definition.Table.Column as X

202import Squeal.PostgreSQL.Definition.Table.Constraint as X

203import Squeal.PostgreSQL.Definition.Table.Constraint as X

203import Squeal.PostgreSQL.Definition.Type as X

204import Squeal.PostgreSQL.Definition.Type as X

204import Squeal.PostgreSQL.Definition.View as X

205import Squeal.PostgreSQL.Definition.View as X

squeal-postgresql/src/Squeal/PostgreSQL/Binary.hs+124−124

@@ -216,9 +216,9 @@ module Squeal.PostgreSQL.Binary

216 -- * Only

217 , Only (..)

218 -- * Oid

219− , OidOf (..)

219+ , HasOid (..)

220− , OidOfParam (..)

220+ , HasOidParam (..)

221− , OidOfField (..)

221+ , HasAliasedOid (..)

222 ) where

223

224import BinaryParser

@@ -312,24 +312,24 @@ instance Aeson.ToJSON x => ToParam (Json x) 'PGjson where

312instance Aeson.ToJSON x => ToParam (Jsonb x) 'PGjsonb where

313 toParam = K . Encoding.jsonb_bytes

314 . Lazy.ByteString.toStrict . Aeson.encode . getJsonb

315−instance (ToNullityParam x ty, ty ~ nullity pg, OidOf pg)

315+instance (ToNullityParam x ty, ty ~ nullity pg, HasOid pg)

316 => ToParam (VarArray [x]) ('PGvararray ty) where

317 toParam = K

318 . Encoding.array_foldable

319 (getOid (oidOf @pg)) (unK . toNullityParam @x @ty)

320 . getVarArray

321−instance (ToParam x pg, OidOf pg)

321+instance (ToParam x pg, HasOid pg)

322 => ToParam (VarArray (Vector x)) ('PGvararray ('NotNull pg)) where

323 toParam = K

324 . Encoding.array_vector (getOid (oidOf @pg)) (unK . toParam @x @pg)

325 . getVarArray

326−instance (ToParam x pg, OidOf pg)

326+instance (ToParam x pg, HasOid pg)

327 => ToParam (VarArray (Vector (Maybe x))) ('PGvararray ('Null pg)) where

328 toParam = K

329 . Encoding.nullableArray_vector

330 (getOid (oidOf @pg)) (unK . toParam @x @pg)

331 . getVarArray

332−instance (ToFixArray x dims ty, ty ~ nullity pg, OidOf pg)

332+instance (ToFixArray x dims ty, ty ~ nullity pg, HasOid pg)

333 => ToParam (FixArray x) ('PGfixarray dims ty) where

334 toParam = K . Encoding.array (getOid (oidOf @pg))

335 . unK . unK . toFixArray @x @dims @ty . getFixArray

@@ -356,7 +356,7 @@ instance

356 ( SListI fields

357 , IsRecord x xs

358 , AllZip ToField xs fields

359− , All OidOfField fields

359+ , All HasAliasedOid fields

360 ) => ToParam (Composite x) ('PGcomposite fields) where

361 toParam =

362 let

@@ -364,7 +364,7 @@ instance

364 encoders = htrans (Proxy @ToField) toField

365

366 composite

367− :: All OidOfField row

367+ :: All HasAliasedOid row

368 => NP (K (Maybe Encoding.Encoding)) row

369 -> K Encoding.Encoding ('PGcomposite row)

370 composite fields = K $

@@ -381,18 +381,18 @@ instance

381 int32BE (fromIntegral (lengthSList (Proxy @xs))) <>

382 let

383 each

384− :: OidOfField field

384+ :: HasAliasedOid field

385 => K (Maybe Encoding.Encoding) field

386 -> Encoding.Encoding

387 each (K field :: K (Maybe Encoding.Encoding) field) =

388− word32BE (getOid (oidOfField @field))

388+ word32BE (getOid (aliasedOid @field))

389 <> case field of

390 Nothing -> int64BE (-1)

391 Just value ->

392 int32BE (fromIntegral (builderLength value))

393 <> value

394 in

395− hcfoldMap (Proxy @OidOfField) each fields

395+ hcfoldMap (Proxy @HasAliasedOid) each fields

396

397 in

398 composite . encoders . toRecord . getComposite

@@ -402,118 +402,118 @@ instance

402-- >>> :set -XTypeApplications

403-- >>> oidOf @'PGbool

404-- Oid 16

405−class OidOf (ty :: PGType) where oidOf :: LibPQ.Oid

405+class HasOid (ty :: PGType) where oidOf :: LibPQ.Oid

406−instance OidOf 'PGbool where oidOf = LibPQ.Oid 16

406+instance HasOid 'PGbool where oidOf = LibPQ.Oid 16

407−instance OidOf ('PGfixarray ns (null 'PGbool)) where oidOf = LibPQ.Oid 1000

407+instance HasOid ('PGfixarray ns (null 'PGbool)) where oidOf = LibPQ.Oid 1000

408−instance OidOf ('PGvararray (null 'PGbool)) where oidOf = LibPQ.Oid 1000

408+instance HasOid ('PGvararray (null 'PGbool)) where oidOf = LibPQ.Oid 1000

409−instance OidOf 'PGint2 where oidOf = LibPQ.Oid 21

409+instance HasOid 'PGint2 where oidOf = LibPQ.Oid 21

410−instance OidOf ('PGfixarray ns (null 'PGint2)) where oidOf = LibPQ.Oid 1005

410+instance HasOid ('PGfixarray ns (null 'PGint2)) where oidOf = LibPQ.Oid 1005

411−instance OidOf ('PGvararray (null 'PGint2)) where oidOf = LibPQ.Oid 1005

411+instance HasOid ('PGvararray (null 'PGint2)) where oidOf = LibPQ.Oid 1005

412−instance OidOf 'PGint4 where oidOf = LibPQ.Oid 23

412+instance HasOid 'PGint4 where oidOf = LibPQ.Oid 23

413−instance OidOf ('PGfixarray ns (null 'PGint4)) where oidOf = LibPQ.Oid 1007

413+instance HasOid ('PGfixarray ns (null 'PGint4)) where oidOf = LibPQ.Oid 1007

414−instance OidOf ('PGvararray (null 'PGint4)) where oidOf = LibPQ.Oid 1007

414+instance HasOid ('PGvararray (null 'PGint4)) where oidOf = LibPQ.Oid 1007

415−instance OidOf 'PGint8 where oidOf = LibPQ.Oid 20

415+instance HasOid 'PGint8 where oidOf = LibPQ.Oid 20

416−instance OidOf ('PGfixarray ns (null 'PGint8)) where oidOf = LibPQ.Oid 1016

416+instance HasOid ('PGfixarray ns (null 'PGint8)) where oidOf = LibPQ.Oid 1016

417−instance OidOf ('PGvararray (null 'PGint8)) where oidOf = LibPQ.Oid 1016

417+instance HasOid ('PGvararray (null 'PGint8)) where oidOf = LibPQ.Oid 1016

418−instance OidOf 'PGnumeric where oidOf = LibPQ.Oid 1700

418+instance HasOid 'PGnumeric where oidOf = LibPQ.Oid 1700

419−instance OidOf ('PGfixarray ns (null 'PGnumeric)) where oidOf = LibPQ.Oid 1231

419+instance HasOid ('PGfixarray ns (null 'PGnumeric)) where oidOf = LibPQ.Oid 1231

420−instance OidOf ('PGvararray (null 'PGnumeric)) where oidOf = LibPQ.Oid 1231

420+instance HasOid ('PGvararray (null 'PGnumeric)) where oidOf = LibPQ.Oid 1231

421−instance OidOf 'PGfloat4 where oidOf = LibPQ.Oid 700

421+instance HasOid 'PGfloat4 where oidOf = LibPQ.Oid 700

422−instance OidOf ('PGfixarray ns (null 'PGfloat4)) where oidOf = LibPQ.Oid 1021

422+instance HasOid ('PGfixarray ns (null 'PGfloat4)) where oidOf = LibPQ.Oid 1021

423−instance OidOf ('PGvararray (null 'PGfloat4)) where oidOf = LibPQ.Oid 1021

423+instance HasOid ('PGvararray (null 'PGfloat4)) where oidOf = LibPQ.Oid 1021

424−instance OidOf 'PGfloat8 where oidOf = LibPQ.Oid 701

424+instance HasOid 'PGfloat8 where oidOf = LibPQ.Oid 701

425−instance OidOf ('PGfixarray ns (null 'PGfloat8)) where oidOf = LibPQ.Oid 1022

425+instance HasOid ('PGfixarray ns (null 'PGfloat8)) where oidOf = LibPQ.Oid 1022

426−instance OidOf ('PGvararray (null 'PGfloat8)) where oidOf = LibPQ.Oid 1022

426+instance HasOid ('PGvararray (null 'PGfloat8)) where oidOf = LibPQ.Oid 1022

427−instance OidOf 'PGmoney where oidOf = LibPQ.Oid 790

427+instance HasOid 'PGmoney where oidOf = LibPQ.Oid 790

428−instance OidOf ('PGfixarray ns (null 'PGmoney)) where oidOf = LibPQ.Oid 791

428+instance HasOid ('PGfixarray ns (null 'PGmoney)) where oidOf = LibPQ.Oid 791

429−instance OidOf ('PGvararray (null 'PGmoney)) where oidOf = LibPQ.Oid 791

429+instance HasOid ('PGvararray (null 'PGmoney)) where oidOf = LibPQ.Oid 791

430−instance OidOf ('PGchar n) where oidOf = LibPQ.Oid 18

430+instance HasOid ('PGchar n) where oidOf = LibPQ.Oid 18

431−instance OidOf ('PGfixarray ns (null ('PGchar n))) where oidOf = LibPQ.Oid 1002

431+instance HasOid ('PGfixarray ns (null ('PGchar n))) where oidOf = LibPQ.Oid 1002

432−instance OidOf ('PGvararray (null ('PGchar n))) where oidOf = LibPQ.Oid 1002

432+instance HasOid ('PGvararray (null ('PGchar n))) where oidOf = LibPQ.Oid 1002

433−instance OidOf ('PGvarchar n) where oidOf = LibPQ.Oid 1043

433+instance HasOid ('PGvarchar n) where oidOf = LibPQ.Oid 1043

434−instance OidOf ('PGfixarray ns (null ('PGvarchar n))) where oidOf = LibPQ.Oid 1015

434+instance HasOid ('PGfixarray ns (null ('PGvarchar n))) where oidOf = LibPQ.Oid 1015

435−instance OidOf ('PGvararray (null ('PGvarchar n))) where oidOf = LibPQ.Oid 1015

435+instance HasOid ('PGvararray (null ('PGvarchar n))) where oidOf = LibPQ.Oid 1015

436−instance OidOf 'PGtext where oidOf = LibPQ.Oid 25

436+instance HasOid 'PGtext where oidOf = LibPQ.Oid 25

437−instance OidOf ('PGfixarray ns (null 'PGtext)) where oidOf = LibPQ.Oid 1009

437+instance HasOid ('PGfixarray ns (null 'PGtext)) where oidOf = LibPQ.Oid 1009

438−instance OidOf ('PGvararray (null 'PGtext)) where oidOf = LibPQ.Oid 1009

438+instance HasOid ('PGvararray (null 'PGtext)) where oidOf = LibPQ.Oid 1009

439−instance OidOf 'PGbytea where oidOf = LibPQ.Oid 17

439+instance HasOid 'PGbytea where oidOf = LibPQ.Oid 17

440−instance OidOf ('PGfixarray ns (null 'PGbytea)) where oidOf = LibPQ.Oid 1001

440+instance HasOid ('PGfixarray ns (null 'PGbytea)) where oidOf = LibPQ.Oid 1001

441−instance OidOf ('PGvararray (null 'PGbytea)) where oidOf = LibPQ.Oid 1001

441+instance HasOid ('PGvararray (null 'PGbytea)) where oidOf = LibPQ.Oid 1001

442−instance OidOf 'PGtimestamp where oidOf = LibPQ.Oid 1114

442+instance HasOid 'PGtimestamp where oidOf = LibPQ.Oid 1114

443−instance OidOf ('PGfixarray ns (null 'PGtimestamp)) where oidOf = LibPQ.Oid 1115

443+instance HasOid ('PGfixarray ns (null 'PGtimestamp)) where oidOf = LibPQ.Oid 1115

444−instance OidOf ('PGvararray (null 'PGtimestamp)) where oidOf = LibPQ.Oid 1115

444+instance HasOid ('PGvararray (null 'PGtimestamp)) where oidOf = LibPQ.Oid 1115

445−instance OidOf 'PGtimestamptz where oidOf = LibPQ.Oid 1184

445+instance HasOid 'PGtimestamptz where oidOf = LibPQ.Oid 1184

446−instance OidOf ('PGfixarray ns (null 'PGtimestamptz)) where oidOf = LibPQ.Oid 1185

446+instance HasOid ('PGfixarray ns (null 'PGtimestamptz)) where oidOf = LibPQ.Oid 1185

447−instance OidOf ('PGvararray (null 'PGtimestamptz)) where oidOf = LibPQ.Oid 1185

447+instance HasOid ('PGvararray (null 'PGtimestamptz)) where oidOf = LibPQ.Oid 1185

448−instance OidOf 'PGdate where oidOf = LibPQ.Oid 1082

448+instance HasOid 'PGdate where oidOf = LibPQ.Oid 1082

449−instance OidOf ('PGfixarray ns (null 'PGdate)) where oidOf = LibPQ.Oid 1182

449+instance HasOid ('PGfixarray ns (null 'PGdate)) where oidOf = LibPQ.Oid 1182

450−instance OidOf ('PGvararray (null 'PGdate)) where oidOf = LibPQ.Oid 1182

450+instance HasOid ('PGvararray (null 'PGdate)) where oidOf = LibPQ.Oid 1182

451−instance OidOf 'PGtime where oidOf = LibPQ.Oid 1083

451+instance HasOid 'PGtime where oidOf = LibPQ.Oid 1083

452−instance OidOf ('PGfixarray ns (null 'PGtime)) where oidOf = LibPQ.Oid 1183

452+instance HasOid ('PGfixarray ns (null 'PGtime)) where oidOf = LibPQ.Oid 1183

453−instance OidOf ('PGvararray (null 'PGtime)) where oidOf = LibPQ.Oid 1183

453+instance HasOid ('PGvararray (null 'PGtime)) where oidOf = LibPQ.Oid 1183

454−instance OidOf 'PGtimetz where oidOf = LibPQ.Oid 1266

454+instance HasOid 'PGtimetz where oidOf = LibPQ.Oid 1266

455−instance OidOf ('PGfixarray ns (null 'PGtimetz)) where oidOf = LibPQ.Oid 1270

455+instance HasOid ('PGfixarray ns (null 'PGtimetz)) where oidOf = LibPQ.Oid 1270

456−instance OidOf ('PGvararray (null 'PGtimetz)) where oidOf = LibPQ.Oid 1270

456+instance HasOid ('PGvararray (null 'PGtimetz)) where oidOf = LibPQ.Oid 1270

457−instance OidOf 'PGinterval where oidOf = LibPQ.Oid 1186

457+instance HasOid 'PGinterval where oidOf = LibPQ.Oid 1186

458−instance OidOf ('PGfixarray ns (null 'PGinterval)) where oidOf = LibPQ.Oid 1187

458+instance HasOid ('PGfixarray ns (null 'PGinterval)) where oidOf = LibPQ.Oid 1187

459−instance OidOf ('PGvararray (null 'PGinterval)) where oidOf = LibPQ.Oid 1187

459+instance HasOid ('PGvararray (null 'PGinterval)) where oidOf = LibPQ.Oid 1187

460−instance OidOf 'PGuuid where oidOf = LibPQ.Oid 2950

460+instance HasOid 'PGuuid where oidOf = LibPQ.Oid 2950

461−instance OidOf ('PGfixarray ns (null 'PGuuid)) where oidOf = LibPQ.Oid 2951

461+instance HasOid ('PGfixarray ns (null 'PGuuid)) where oidOf = LibPQ.Oid 2951

462−instance OidOf ('PGvararray (null 'PGuuid)) where oidOf = LibPQ.Oid 2951

462+instance HasOid ('PGvararray (null 'PGuuid)) where oidOf = LibPQ.Oid 2951

463−instance OidOf 'PGinet where oidOf = LibPQ.Oid 869

463+instance HasOid 'PGinet where oidOf = LibPQ.Oid 869

464−instance OidOf ('PGfixarray ns (null 'PGinet)) where oidOf = LibPQ.Oid 1041

464+instance HasOid ('PGfixarray ns (null 'PGinet)) where oidOf = LibPQ.Oid 1041

465−instance OidOf ('PGvararray (null 'PGinet)) where oidOf = LibPQ.Oid 1041

465+instance HasOid ('PGvararray (null 'PGinet)) where oidOf = LibPQ.Oid 1041

466−instance OidOf 'PGjson where oidOf = LibPQ.Oid 114

466+instance HasOid 'PGjson where oidOf = LibPQ.Oid 114

467−instance OidOf ('PGfixarray ns (null 'PGjson)) where oidOf = LibPQ.Oid 199

467+instance HasOid ('PGfixarray ns (null 'PGjson)) where oidOf = LibPQ.Oid 199

468−instance OidOf ('PGvararray (null 'PGjson)) where oidOf = LibPQ.Oid 199

468+instance HasOid ('PGvararray (null 'PGjson)) where oidOf = LibPQ.Oid 199

469−instance OidOf 'PGjsonb where oidOf = LibPQ.Oid 3802

469+instance HasOid 'PGjsonb where oidOf = LibPQ.Oid 3802

470−instance OidOf ('PGfixarray ns (null 'PGjsonb)) where oidOf = LibPQ.Oid 3807

470+instance HasOid ('PGfixarray ns (null 'PGjsonb)) where oidOf = LibPQ.Oid 3807

471−instance OidOf ('PGvararray (null 'PGjsonb)) where oidOf = LibPQ.Oid 3807

471+instance HasOid ('PGvararray (null 'PGjsonb)) where oidOf = LibPQ.Oid 3807

472−instance OidOf 'PGtsvector where oidOf = LibPQ.Oid 3614

472+instance HasOid 'PGtsvector where oidOf = LibPQ.Oid 3614

473−instance OidOf ('PGfixarray ns (null 'PGtsvector)) where oidOf = LibPQ.Oid 3643

473+instance HasOid ('PGfixarray ns (null 'PGtsvector)) where oidOf = LibPQ.Oid 3643

474−instance OidOf ('PGvararray (null 'PGtsvector)) where oidOf = LibPQ.Oid 3643

474+instance HasOid ('PGvararray (null 'PGtsvector)) where oidOf = LibPQ.Oid 3643

475−instance OidOf 'PGtsquery where oidOf = LibPQ.Oid 3615

475+instance HasOid 'PGtsquery where oidOf = LibPQ.Oid 3615

476−instance OidOf ('PGfixarray ns (null 'PGtsquery)) where oidOf = LibPQ.Oid 3645

476+instance HasOid ('PGfixarray ns (null 'PGtsquery)) where oidOf = LibPQ.Oid 3645

477−instance OidOf ('PGvararray (null 'PGtsquery)) where oidOf = LibPQ.Oid 3645

477+instance HasOid ('PGvararray (null 'PGtsquery)) where oidOf = LibPQ.Oid 3645

478−instance OidOf 'PGoid where oidOf = LibPQ.Oid 26

478+instance HasOid 'PGoid where oidOf = LibPQ.Oid 26

479−instance OidOf ('PGfixarray ns (null 'PGoid)) where oidOf = LibPQ.Oid 1028

479+instance HasOid ('PGfixarray ns (null 'PGoid)) where oidOf = LibPQ.Oid 1028

480−instance OidOf ('PGvararray (null 'PGoid)) where oidOf = LibPQ.Oid 1028

480+instance HasOid ('PGvararray (null 'PGoid)) where oidOf = LibPQ.Oid 1028

481−instance OidOf ('PGrange 'PGint4) where oidOf = LibPQ.Oid 3904

481+instance HasOid ('PGrange 'PGint4) where oidOf = LibPQ.Oid 3904

482−instance OidOf ('PGfixarray ns (null ('PGrange 'PGint4))) where oidOf = LibPQ.Oid 3905

482+instance HasOid ('PGfixarray ns (null ('PGrange 'PGint4))) where oidOf = LibPQ.Oid 3905

483−instance OidOf ('PGvararray (null ('PGrange 'PGint4))) where oidOf = LibPQ.Oid 3905

483+instance HasOid ('PGvararray (null ('PGrange 'PGint4))) where oidOf = LibPQ.Oid 3905

484−instance OidOf ('PGrange 'PGint8) where oidOf = LibPQ.Oid 3926

484+instance HasOid ('PGrange 'PGint8) where oidOf = LibPQ.Oid 3926

485−instance OidOf ('PGfixarray ns (null ('PGrange 'PGint8))) where oidOf = LibPQ.Oid 3927

485+instance HasOid ('PGfixarray ns (null ('PGrange 'PGint8))) where oidOf = LibPQ.Oid 3927

486−instance OidOf ('PGvararray (null ('PGrange 'PGint8))) where oidOf = LibPQ.Oid 3927

486+instance HasOid ('PGvararray (null ('PGrange 'PGint8))) where oidOf = LibPQ.Oid 3927

487−instance OidOf ('PGrange 'PGnumeric) where oidOf = LibPQ.Oid 3906

487+instance HasOid ('PGrange 'PGnumeric) where oidOf = LibPQ.Oid 3906

488−instance OidOf ('PGfixarray ns (null ('PGrange 'PGnumeric))) where oidOf = LibPQ.Oid 3907

488+instance HasOid ('PGfixarray ns (null ('PGrange 'PGnumeric))) where oidOf = LibPQ.Oid 3907

489−instance OidOf ('PGvararray (null ('PGrange 'PGnumeric))) where oidOf = LibPQ.Oid 3907

489+instance HasOid ('PGvararray (null ('PGrange 'PGnumeric))) where oidOf = LibPQ.Oid 3907

490−instance OidOf ('PGrange 'PGtimestamp) where oidOf = LibPQ.Oid 3908

490+instance HasOid ('PGrange 'PGtimestamp) where oidOf = LibPQ.Oid 3908

491−instance OidOf ('PGfixarray ns (null ('PGrange 'PGtimestamp))) where oidOf = LibPQ.Oid 3909

491+instance HasOid ('PGfixarray ns (null ('PGrange 'PGtimestamp))) where oidOf = LibPQ.Oid 3909

492−instance OidOf ('PGvararray (null ('PGrange 'PGtimestamp))) where oidOf = LibPQ.Oid 3909

492+instance HasOid ('PGvararray (null ('PGrange 'PGtimestamp))) where oidOf = LibPQ.Oid 3909

493−instance OidOf ('PGrange 'PGtimestamptz) where oidOf = LibPQ.Oid 3910

493+instance HasOid ('PGrange 'PGtimestamptz) where oidOf = LibPQ.Oid 3910

494−instance OidOf ('PGfixarray ns (null ('PGrange 'PGtimestamptz))) where oidOf = LibPQ.Oid 3911

494+instance HasOid ('PGfixarray ns (null ('PGrange 'PGtimestamptz))) where oidOf = LibPQ.Oid 3911

495−instance OidOf ('PGvararray (null ('PGrange 'PGtimestamptz))) where oidOf = LibPQ.Oid 3911

495+instance HasOid ('PGvararray (null ('PGrange 'PGtimestamptz))) where oidOf = LibPQ.Oid 3911

496−instance OidOf ('PGrange 'PGdate) where oidOf = LibPQ.Oid 3912

496+instance HasOid ('PGrange 'PGdate) where oidOf = LibPQ.Oid 3912

497−instance OidOf ('PGfixarray ns (null ('PGrange 'PGdate))) where oidOf = LibPQ.Oid 3913

497+instance HasOid ('PGfixarray ns (null ('PGrange 'PGdate))) where oidOf = LibPQ.Oid 3913

498−instance OidOf ('PGvararray (null ('PGrange 'PGdate))) where oidOf = LibPQ.Oid 3913

498+instance HasOid ('PGvararray (null ('PGrange 'PGdate))) where oidOf = LibPQ.Oid 3913

499−instance {-# OVERLAPPABLE #-} OidOf ('PGrange ty) where oidOf = LibPQ.invalidOid

499+instance {-# OVERLAPPABLE #-} HasOid ('PGrange ty) where oidOf = LibPQ.invalidOid

500−instance {-# OVERLAPPABLE #-} OidOf ('PGfixarray ns (null ('PGrange ty))) where oidOf = LibPQ.invalidOid

500+instance {-# OVERLAPPABLE #-} HasOid ('PGfixarray ns (null ('PGrange ty))) where oidOf = LibPQ.invalidOid

501−instance {-# OVERLAPPABLE #-} OidOf ('PGvararray (null ('PGrange ty))) where oidOf = LibPQ.invalidOid

501+instance {-# OVERLAPPABLE #-} HasOid ('PGvararray (null ('PGrange ty))) where oidOf = LibPQ.invalidOid

502−instance {-# OVERLAPPABLE #-} OidOf ('PGcomposite row) where oidOf = LibPQ.invalidOid

502+instance {-# OVERLAPPABLE #-} HasOid ('PGcomposite row) where oidOf = LibPQ.invalidOid

503−instance {-# OVERLAPPABLE #-} OidOf ('PGfixarray ns (null ('PGcomposite row))) where oidOf = LibPQ.invalidOid

503+instance {-# OVERLAPPABLE #-} HasOid ('PGfixarray ns (null ('PGcomposite row))) where oidOf = LibPQ.invalidOid

504−instance {-# OVERLAPPABLE #-} OidOf ('PGvararray (null ('PGcomposite row))) where oidOf = LibPQ.invalidOid

504+instance {-# OVERLAPPABLE #-} HasOid ('PGvararray (null ('PGcomposite row))) where oidOf = LibPQ.invalidOid

505−instance {-# OVERLAPPABLE #-} OidOf ('PGenum labels) where oidOf = LibPQ.invalidOid

505+instance {-# OVERLAPPABLE #-} HasOid ('PGenum labels) where oidOf = LibPQ.invalidOid

506−instance {-# OVERLAPPABLE #-} OidOf ('PGfixarray ns (null ('PGenum labels))) where oidOf = LibPQ.invalidOid

506+instance {-# OVERLAPPABLE #-} HasOid ('PGfixarray ns (null ('PGenum labels))) where oidOf = LibPQ.invalidOid

507−instance {-# OVERLAPPABLE #-} OidOf ('PGvararray (null ('PGenum labels))) where oidOf = LibPQ.invalidOid

507+instance {-# OVERLAPPABLE #-} HasOid ('PGvararray (null ('PGenum labels))) where oidOf = LibPQ.invalidOid

508−

508+

509−class OidOfParam (ty :: NullityType) where oidOfParam :: Oid

509+class HasOidParam (ty :: NullityType) where oidOfParam :: Oid

510−instance OidOf ty => OidOfParam (null ty) where oidOfParam = oidOf @ty

510+instance HasOid ty => HasOidParam (null ty) where oidOfParam = oidOf @ty

511−

511+

512−-- | Lifts a `OidOf` constraint to a field.

512+-- | Lifts a `HasOid` constraint to a field.

513−class OidOfField (field :: (Symbol, NullityType)) where

513+class HasAliasedOid (field :: (Symbol, NullityType)) where

514− oidOfField :: Oid

514+ aliasedOid :: Oid

515−instance OidOf ty => OidOfField (alias ::: nullity ty) where

515+instance HasOid ty => HasAliasedOid (alias ::: nullity ty) where

516− oidOfField = oidOf @ty

516+ aliasedOid = oidOf @ty

517

518-- | A `ToNullityParam` constraint gives an encoding of a Haskell `Type` into

519-- into the binary format of a PostgreSQL `NullityType`.

squeal-postgresql/src/Squeal/PostgreSQL/Definition.hs−1

@@ -27,7 +27,6 @@ Squeal data definition language.

27 , TypeInType

28 , TypeOperators

29 , UndecidableSuperClasses

30− , UndecidableInstances

31#-}

30#-}

33module Squeal.PostgreSQL.Definition

32module Squeal.PostgreSQL.Definition

squeal-postgresql/src/Squeal/PostgreSQL/Definition/Table.hs+1−1

@@ -62,9 +62,9 @@ import qualified GHC.Generics as GHC

63import Squeal.PostgreSQL.Alias

64import Squeal.PostgreSQL.Definition

65+import Squeal.PostgreSQL.Definition.Table.Column

65import Squeal.PostgreSQL.Definition.Table.Constraint

66import Squeal.PostgreSQL.Definition.Table.Constraint

66import Squeal.PostgreSQL.Expression

67import Squeal.PostgreSQL.Expression

67−import Squeal.PostgreSQL.Expression.Type

68import Squeal.PostgreSQL.List

69import Squeal.PostgreSQL.Render

70import Squeal.PostgreSQL.Schema

squeal-postgresql/src/Squeal/PostgreSQL/Definition/Table/Column.hsnew file+105

@@ -0,0 +1,105 @@

1+{-|

2+Module: Squeal.PostgreSQL.Definition.Table.Column

3+Description: Column type expressions

4+Copyright: (c) Eitan Chatav, 2017

5+Maintainer: eitan@morphism.tech

6+Stability: experimental

8+Column type expressions.

9+-}

10+

11+{-# LANGUAGE

12+ AllowAmbiguousTypes

13+ , ConstraintKinds

14+ , DeriveAnyClass

15+ , DeriveGeneric

16+ , DerivingStrategies

17+ , FlexibleContexts

18+ , FlexibleInstances

19+ , GADTs

20+ , LambdaCase

21+ , MultiParamTypeClasses

22+ , OverloadedLabels

23+ , OverloadedStrings

24+ , RankNTypes

25+ , ScopedTypeVariables

26+ , TypeApplications

27+ , TypeInType

28+ , TypeOperators

29+ , UndecidableSuperClasses

30+#-}

31+

32+module Squeal.PostgreSQL.Definition.Table.Column

33+ ( ColumnTypeExpression (..)

34+ , nullable

35+ , notNullable

36+ , default_

37+ , serial2

38+ , smallserial

39+ , serial4

40+ , serial

41+ , serial8

42+ , bigserial

43+ ) where

44+

45+import Control.DeepSeq

46+import Data.ByteString

47+

48+import qualified GHC.Generics as GHC

49+

50+import Squeal.PostgreSQL.Alias

51+import Squeal.PostgreSQL.Expression

52+import Squeal.PostgreSQL.Expression.Type

53+import Squeal.PostgreSQL.Render

54+import Squeal.PostgreSQL.Schema

55+

56+-- $setup

57+-- >>> import Squeal.PostgreSQL

58+

59+-- | `ColumnTypeExpression`s are used in `createTable` commands.

60+newtype ColumnTypeExpression (schemas :: SchemasType) (ty :: ColumnType)

61+ = UnsafeColumnTypeExpression { renderColumnTypeExpression :: ByteString }

62+ deriving (GHC.Generic,Show,Eq,Ord,NFData)

63+instance RenderSQL (ColumnTypeExpression schemas ty) where

64+ renderSQL = renderColumnTypeExpression

65+

66+-- | used in `createTable` commands as a column constraint to note that

67+-- @NULL@ may be present in a column

68+nullable

69+ :: TypeExpression schemas (nullity ty)

70+ -> ColumnTypeExpression schemas ('NoDef :=> 'Null ty)

71+nullable ty = UnsafeColumnTypeExpression $ renderSQL ty <+> "NULL"

72+

73+-- | used in `createTable` commands as a column constraint to ensure

74+-- @NULL@ is not present in a column

75+notNullable

76+ :: TypeExpression schemas (nullity ty)

77+ -> ColumnTypeExpression schemas ('NoDef :=> 'NotNull ty)

78+notNullable ty = UnsafeColumnTypeExpression $ renderSQL ty <+> "NOT NULL"

79+

80+-- | used in `createTable` commands as a column constraint to give a default

81+default_

82+ :: Expression '[] '[] 'Ungrouped schemas '[] '[] ty

83+ -> ColumnTypeExpression schemas ('NoDef :=> ty)

84+ -> ColumnTypeExpression schemas ('Def :=> ty)

85+default_ x ty = UnsafeColumnTypeExpression $

86+ renderSQL ty <+> "DEFAULT" <+> renderExpression x

87+

88+-- | not a true type, but merely a notational convenience for creating

89+-- unique identifier columns with type `PGint2`

90+serial2, smallserial

91+ :: ColumnTypeExpression schemas ('Def :=> 'NotNull 'PGint2)

92+serial2 = UnsafeColumnTypeExpression "serial2"

93+smallserial = UnsafeColumnTypeExpression "smallserial"

94+-- | not a true type, but merely a notational convenience for creating

95+-- unique identifier columns with type `PGint4`

96+serial4, serial

97+ :: ColumnTypeExpression schemas ('Def :=> 'NotNull 'PGint4)

98+serial4 = UnsafeColumnTypeExpression "serial4"

99+serial = UnsafeColumnTypeExpression "serial"

100+-- | not a true type, but merely a notational convenience for creating

101+-- unique identifier columns with type `PGint8`

102+serial8, bigserial

103+ :: ColumnTypeExpression schemas ('Def :=> 'NotNull 'PGint8)

104+serial8 = UnsafeColumnTypeExpression "serial8"

105+bigserial = UnsafeColumnTypeExpression "bigserial"

squeal-postgresql/src/Squeal/PostgreSQL/Expression/Type.hs+4−95

@@ -23,16 +23,15 @@ Type expressions.

23 , ScopedTypeVariables

24 , TypeApplications

25 , TypeOperators

26− , UndecidableInstances

27#-}

26#-}

29module Squeal.PostgreSQL.Expression.Type

28module Squeal.PostgreSQL.Expression.Type

30− ( -- * type casting

29+ ( TypeExpression (..)

31− cast

30+ , cast

32 , astype

31 , astype

33 , inferredtype

32 , inferredtype

34− -- * type expressions

33+ , PGTyped (..)

35− , TypeExpression (..)

34+ , FieldTyped (..)

36 , typedef

35 , typedef

37 , typetable

36 , typetable

38 , typeview

37 , typeview

@@ -79,22 +78,6 @@ module Squeal.PostgreSQL.Expression.Type

79 , tsrange

78 , tsrange

80 , tstzrange

79 , tstzrange

81 , daterange

80 , daterange

82− -- * column type definitions

83− , ColumnTypeExpression (..)

84− , nullable

85− , notNullable

86− , default_

87− , serial2

88− , smallserial

89− , serial4

90− , serial

91− , serial8

92− , bigserial

93− , hask

94− -- * type inference

95− , PGTyped (..)

96− , PGNullityTyped (..)

97− , FieldTyped (..)

98 ) where

81 ) where

100import Control.DeepSeq

83import Control.DeepSeq

@@ -108,7 +91,6 @@ import qualified Generics.SOP as SOP

108

109import Squeal.PostgreSQL.Alias

92import Squeal.PostgreSQL.Alias

110import Squeal.PostgreSQL.Expression

93import Squeal.PostgreSQL.Expression

111−import Squeal.PostgreSQL.PG

112import Squeal.PostgreSQL.Render

94import Squeal.PostgreSQL.Render

113import Squeal.PostgreSQL.Schema

95import Squeal.PostgreSQL.Schema

114

@@ -150,7 +132,6 @@ astype = cast

150inferredtype

132inferredtype

151 :: PGTyped schemas ty

133 :: PGTyped schemas ty

152 => Expression outer common grp schemas params from ty

134 => Expression outer common grp schemas params from ty

153− -- ^ value

154 -> Expression outer common grp schemas params from ty

135 -> Expression outer common grp schemas params from ty

155inferredtype = astype pgtype

136inferredtype = astype pgtype

156

137

@@ -170,7 +151,6 @@ instance RenderSQL (TypeExpression schemas ty) where

170typedef

151typedef

171 :: (Has sch schemas schema, Has td schema ('Typedef ty))

152 :: (Has sch schemas schema, Has td schema ('Typedef ty))

172 => QualifiedAlias sch td

153 => QualifiedAlias sch td

173− -- ^ type alias

174 -> TypeExpression schemas (null ty)

154 -> TypeExpression schemas (null ty)

175typedef = UnsafeTypeExpression . renderSQL

155typedef = UnsafeTypeExpression . renderSQL

176

156

@@ -179,7 +159,6 @@ typedef = UnsafeTypeExpression . renderSQL

179typetable

159typetable

180 :: (Has sch schemas schema, Has tab schema ('Table table))

160 :: (Has sch schemas schema, Has tab schema ('Table table))

181 => QualifiedAlias sch tab

161 => QualifiedAlias sch tab

182− -- ^ table alias

183 -> TypeExpression schemas (null ('PGcomposite (TableToRow table)))

162 -> TypeExpression schemas (null ('PGcomposite (TableToRow table)))

184typetable = UnsafeTypeExpression . renderSQL

163typetable = UnsafeTypeExpression . renderSQL

185

164

@@ -188,7 +167,6 @@ typetable = UnsafeTypeExpression . renderSQL

188typeview

167typeview

189 :: (Has sch schemas schema, Has vw schema ('View view))

168 :: (Has sch schemas schema, Has vw schema ('View view))

190 => QualifiedAlias sch vw

169 => QualifiedAlias sch vw

191− -- ^ view alias

192 -> TypeExpression schemas (null ('PGcomposite view))

170 -> TypeExpression schemas (null ('PGcomposite view))

193typeview = UnsafeTypeExpression . renderSQL

171typeview = UnsafeTypeExpression . renderSQL

194

172

@@ -375,72 +353,3 @@ class FieldTyped schemas ty where

375instance (KnownSymbol alias, PGTyped schemas ty)

353instance (KnownSymbol alias, PGTyped schemas ty)

376 => FieldTyped schemas (alias ::: ty) where

354 => FieldTyped schemas (alias ::: ty) where

377 fieldtype = pgtype `As` Alias

355 fieldtype = pgtype `As` Alias

378−

379−-- | `ColumnTypeExpression`s are used in `createTable` commands.

380−newtype ColumnTypeExpression (schemas :: SchemasType) (ty :: ColumnType)

381− = UnsafeColumnTypeExpression { renderColumnTypeExpression :: ByteString }

382− deriving (GHC.Generic,Show,Eq,Ord,NFData)

383−instance RenderSQL (ColumnTypeExpression schemas ty) where

384− renderSQL = renderColumnTypeExpression

385−

386−-- | used in `createTable` commands as a column constraint to note that

387−-- @NULL@ may be present in a column

388−nullable

389− :: TypeExpression schemas (nullity ty)

390− -> ColumnTypeExpression schemas ('NoDef :=> 'Null ty)

391−nullable ty = UnsafeColumnTypeExpression $ renderSQL ty <+> "NULL"

392−

393−-- | used in `createTable` commands as a column constraint to ensure

394−-- @NULL@ is not present in a column

395−notNullable

396− :: TypeExpression schemas (nullity ty)

397− -> ColumnTypeExpression schemas ('NoDef :=> 'NotNull ty)

398−notNullable ty = UnsafeColumnTypeExpression $ renderSQL ty <+> "NOT NULL"

399−

400−-- | used in `createTable` commands as a column constraint to give a default

401−default_

402− :: Expression '[] '[] 'Ungrouped schemas '[] '[] ty

403− -> ColumnTypeExpression schemas ('NoDef :=> ty)

404− -> ColumnTypeExpression schemas ('Def :=> ty)

405−default_ x ty = UnsafeColumnTypeExpression $

406− renderSQL ty <+> "DEFAULT" <+> renderExpression x

407−

408−-- | not a true type, but merely a notational convenience for creating

409−-- unique identifier columns with type `PGint2`

410−serial2, smallserial

411− :: ColumnTypeExpression schemas ('Def :=> 'NotNull 'PGint2)

412−serial2 = UnsafeColumnTypeExpression "serial2"

413−smallserial = UnsafeColumnTypeExpression "smallserial"

414−-- | not a true type, but merely a notational convenience for creating

415−-- unique identifier columns with type `PGint4`

416−serial4, serial

417− :: ColumnTypeExpression schemas ('Def :=> 'NotNull 'PGint4)

418−serial4 = UnsafeColumnTypeExpression "serial4"

419−serial = UnsafeColumnTypeExpression "serial"

420−-- | not a true type, but merely a notational convenience for creating

421−-- unique identifier columns with type `PGint8`

422−serial8, bigserial

423− :: ColumnTypeExpression schemas ('Def :=> 'NotNull 'PGint8)

424−serial8 = UnsafeColumnTypeExpression "serial8"

425−bigserial = UnsafeColumnTypeExpression "bigserial"

426−

427−-- | Like @PGTyped@ but also accounts for nullity.

428−class PGNullityTyped schemas (nullty :: NullityType) where

429− pgNullityType :: ColumnTypeExpression schemas ('NoDef :=> nullty)

430−

431−instance PGTyped schemas ('Null ty) => PGNullityTyped schemas ('Null ty) where

432− pgNullityType = nullable (pgtype @_ @('Null ty))

433−

434−instance PGTyped schemas ('NotNull ty) => PGNullityTyped schemas ('NotNull ty) where

435− pgNullityType = notNullable (pgtype @_ @('NotNull ty))

436−

437−-- | Allow you to specify pg column types in relation to haskell types.

438−-- >>> printSQL $ hask @(Maybe String)

439−-- text NULL

440−--

441−-- >>> printSQL $ hask @Double

442−-- float8 NOT NULL

443−hask

444− :: forall hask schemas. PGNullityTyped schemas (NullPG hask)

445− => ColumnTypeExpression schemas ('NoDef :=> NullPG hask)

446−hask = pgNullityType

squeal-postgresql/src/Squeal/PostgreSQL/Migration.hs+1

@@ -168,6 +168,7 @@ import Squeal.PostgreSQL.Alias

168import Squeal.PostgreSQL.Binary

169import Squeal.PostgreSQL.Definition

170import Squeal.PostgreSQL.Definition.Table

171+import Squeal.PostgreSQL.Definition.Table.Column

171import Squeal.PostgreSQL.Definition.Table.Constraint

172import Squeal.PostgreSQL.Definition.Table.Constraint

172import Squeal.PostgreSQL.Expression.Comparison

173import Squeal.PostgreSQL.Expression.Comparison

173import Squeal.PostgreSQL.Expression.Parameter

174import Squeal.PostgreSQL.Expression.Parameter

squeal-postgresql/src/Squeal/PostgreSQL/PQ.hs+16−16

@@ -317,13 +317,13 @@ a default instance.

317-}

318class Monad pq => MonadPQ schemas pq | pq -> schemas where

319 manipulateParams

320− :: (ToParams x params, All OidOfParam params)

320+ :: (ToParams x params, All HasOidParam params)

321 => Manipulation '[] schemas params ys

322 -- ^ `insertInto`, `update` or `deleteFrom`

323 -> x -> pq (K LibPQ.Result ys)

324 default manipulateParams

325 :: (MonadTrans t, MonadPQ schemas pq1, pq ~ t pq1)

326− => (ToParams x params, All OidOfParam params)

326+ => (ToParams x params, All HasOidParam params)

327 => Manipulation '[] schemas params ys

328 -- ^ `insertInto`, `update` or `deleteFrom`

329 -> x -> pq (K LibPQ.Result ys)

@@ -331,7 +331,7 @@ class Monad pq => MonadPQ schemas pq | pq -> schemas where

331 manipulateParams manipulation params

332

333 manipulateParams_

334− :: (ToParams x params, All OidOfParam params)

334+ :: (ToParams x params, All HasOidParam params)

335 => Manipulation '[] schemas params '[]

336 -- ^ `insertInto`, `update` or `deleteFrom`

337 -> x -> pq ()

@@ -344,7 +344,7 @@ class Monad pq => MonadPQ schemas pq | pq -> schemas where

344 manipulate_ = void . manipulate

345

346 runQueryParams

347− :: (ToParams x params, All OidOfParam params)

347+ :: (ToParams x params, All HasOidParam params)

348 => Query '[] '[] schemas params ys

349 -- ^ `select` and friends

350 -> x -> pq (K LibPQ.Result ys)

@@ -357,19 +357,19 @@ class Monad pq => MonadPQ schemas pq | pq -> schemas where

357 runQuery q = runQueryParams q ()

358

359 traversePrepared

360− :: (ToParams x params, Traversable list, All OidOfParam params)

360+ :: (ToParams x params, Traversable list, All HasOidParam params)

361 => Manipulation '[] schemas params ys

362 -- ^ `insertInto`, `update`, or `deleteFrom`, and friends

363 -> list x -> pq (list (K LibPQ.Result ys))

364 default traversePrepared

365 :: (MonadTrans t, MonadPQ schemas pq1, pq ~ t pq1)

366− => (ToParams x params, Traversable list, All OidOfParam params)

366+ => (ToParams x params, Traversable list, All HasOidParam params)

367 => Manipulation '[] schemas params ys -> list x -> pq (list (K LibPQ.Result ys))

368 traversePrepared manipulation params = lift $

369 traversePrepared manipulation params

370

371 forPrepared

372− :: (ToParams x params, Traversable list, All OidOfParam params)

372+ :: (ToParams x params, Traversable list, All HasOidParam params)

373 => list x

374 -> Manipulation '[] schemas params ys

375 -- ^ `insertInto`, `update` or `deleteFrom`

@@ -377,13 +377,13 @@ class Monad pq => MonadPQ schemas pq | pq -> schemas where

377 forPrepared = flip traversePrepared

378

379 traversePrepared_

380− :: (ToParams x params, Foldable list, All OidOfParam params)

380+ :: (ToParams x params, Foldable list, All HasOidParam params)

381 => Manipulation '[] schemas params '[]

382 -- ^ `insertInto`, `update` or `deleteFrom`

383 -> list x -> pq ()

384 default traversePrepared_

385 :: (MonadTrans t, MonadPQ schemas pq1, pq ~ t pq1)

386− => (ToParams x params, Foldable list, All OidOfParam params)

386+ => (ToParams x params, Foldable list, All HasOidParam params)

387 => Manipulation '[] schemas params '[]

388 -- ^ `insertInto`, `update` or `deleteFrom`

389 -> list x -> pq ()

@@ -391,7 +391,7 @@ class Monad pq => MonadPQ schemas pq | pq -> schemas where

391 traversePrepared_ manipulation params

392

393 forPrepared_

394− :: (ToParams x params, Foldable list, All OidOfParam params)

394+ :: (ToParams x params, Foldable list, All HasOidParam params)

395 => list x

396 -> Manipulation '[] schemas params '[]

397 -- ^ `insertInto`, `update` or `deleteFrom`

@@ -412,7 +412,7 @@ instance (MonadIO io, schemas0 ~ schemas, schemas1 ~ schemas)

412 PQ $ \ (K conn) -> do

413 let

414 paramSet

415− :: forall param. OidOfParam param

415+ :: forall param. HasOidParam param

416 => K (Maybe Encoding.Encoding) param

417 -> K (Maybe (LibPQ.Oid, ByteString, LibPQ.Format)) param

418 paramSet (K maybeEncoding) = K $

@@ -420,7 +420,7 @@ instance (MonadIO io, schemas0 ~ schemas, schemas1 ~ schemas)

420 (oidOfParam @param, encodingBytes encoding, LibPQ.Binary)

421 params'

422 = hcollapse

423− . hcmap (Proxy @OidOfParam) paramSet

423+ . hcmap (Proxy @HasOidParam) paramSet

424 $ toParams @x @ps params

425 q' = q <> ";"

426 resultMaybe <- liftIO $ LibPQ.execParams conn q' params' LibPQ.Binary

@@ -436,10 +436,10 @@ instance (MonadIO io, schemas0 ~ schemas, schemas1 ~ schemas)

436 PQ $ \ (K conn) -> liftIO $ do

437 let

438 temp = "temporary_statement"

439− paramOid :: forall p. OidOfParam p => K LibPQ.Oid p

439+ paramOid :: forall p. HasOidParam p => K LibPQ.Oid p

440 paramOid = K (oidOfParam @p)

441 paramOids :: NP (K LibPQ.Oid) xs

442− paramOids = hcpure (Proxy @OidOfParam) paramOid

442+ paramOids = hcpure (Proxy @HasOidParam) paramOid

443 paramOids' :: [LibPQ.Oid]

444 paramOids' = hcollapse paramOids

445 prepResultMaybe <- LibPQ.prepare conn temp q (Just paramOids')

@@ -470,10 +470,10 @@ instance (MonadIO io, schemas0 ~ schemas, schemas1 ~ schemas)

470 PQ $ \ (K conn) -> liftIO $ do

471 let

472 temp = "temporary_statement"

473− paramOid :: forall p. OidOfParam p => K LibPQ.Oid p

473+ paramOid :: forall p. HasOidParam p => K LibPQ.Oid p

474 paramOid = K (oidOfParam @p)

475 paramOids :: NP (K LibPQ.Oid) xs

476− paramOids = hcpure (Proxy @OidOfParam) paramOid

476+ paramOids = hcpure (Proxy @HasOidParam) paramOid

477 paramOids' :: [LibPQ.Oid]

478 paramOids' = hcollapse paramOids

479 prepResultMaybe <- LibPQ.prepare conn temp q (Just paramOids')

squeal-postgresql/src/Squeal/PostgreSQL/Query.hs+25−33

@@ -554,9 +554,9 @@ select_ = select . List

554-- be subject to the elimination of duplicate rows using `selectDistinct`.

555selectDistinct

556 :: (SListI columns, columns ~ (col ': cols))

557− => Selection outer commons grp schemas params from columns

557+ => Selection outer commons 'Ungrouped schemas params from columns

558 -- ^ selection

559− -> TableExpression outer commons grp schemas params from

559+ -> TableExpression outer commons 'Ungrouped schemas params from

560 -- ^ intermediate virtual table

561 -> Query outer commons schemas params columns

562selectDistinct selection tabexpr = UnsafeQuery $

@@ -568,9 +568,9 @@ selectDistinct selection tabexpr = UnsafeQuery $

568-- of a general `Selection`.

569selectDistinct_

570 :: (SListI columns, columns ~ (col ': cols))

571− => NP (Aliased (Expression outer commons grp schemas params from)) columns

571+ => NP (Aliased (Expression outer commons 'Ungrouped schemas params from)) columns

572 -- ^ select list

573− -> TableExpression outer commons grp schemas params from

573+ -> TableExpression outer commons 'Ungrouped schemas params from

574 -- ^ intermediate virtual table

575 -> Query outer commons schemas params columns

576selectDistinct_ = selectDistinct . List

@@ -580,21 +580,14 @@ selectDistinct_ = selectDistinct . List

580the given expressions evaluate to equal. The DISTINCT ON expressions are

581interpreted using the same rules as for ORDER BY. ORDER BY is used to

582ensure that the desired row appears first.

583−

584−The DISTINCT ON expression(s) must match the leftmost ORDER BY expression(s).

585−The ORDER BY clause will normally contain additional expression(s) that

586−determine the desired precedence of rows within each DISTINCT ON group.

587−

588−In order to guarantee they match and reduce redundancy, this function

589−will prepend the The DISTINCT ON expressions to the ORDER BY clause.

590-}

583-}

591selectDistinctOn

584selectDistinctOn

592 :: (SListI columns, columns ~ (col ': cols))

585 :: (SListI columns, columns ~ (col ': cols))

593− => [SortExpression outer commons grp schemas params from]

586+ => [SortExpression outer commons 'Ungrouped schemas params from]

594− -- ^ DISTINCT ON expression(s) and prepended to ORDER BY clause

587+ -- ^ distinct on and return the first row in ordering

595− -> Selection outer commons grp schemas params from columns

588+ -> Selection outer commons 'Ungrouped schemas params from columns

596 -- ^ selection

589 -- ^ selection

597− -> TableExpression outer commons grp schemas params from

590+ -> TableExpression outer commons 'Ungrouped schemas params from

598 -- ^ intermediate virtual table

591 -- ^ intermediate virtual table

599 -> Query outer commons schemas params columns

592 -> Query outer commons schemas params columns

600selectDistinctOn distincts selection tab = UnsafeQuery $

593selectDistinctOn distincts selection tab = UnsafeQuery $

@@ -615,11 +608,11 @@ selectDistinctOn distincts selection tab = UnsafeQuery $

615-- of a general `Selection`.

608-- of a general `Selection`.

616selectDistinctOn_

609selectDistinctOn_

617 :: (SListI columns, columns ~ (col ': cols))

610 :: (SListI columns, columns ~ (col ': cols))

618− => [SortExpression outer commons grp schemas params from]

611+ => [SortExpression outer commons 'Ungrouped schemas params from]

619 -- ^ distinct on and return the first row in ordering

612 -- ^ distinct on and return the first row in ordering

620− -> NP (Aliased (Expression outer commons grp schemas params from)) columns

613+ -> NP (Aliased (Expression outer commons 'Ungrouped schemas params from)) columns

621 -- ^ selection

614 -- ^ selection

622− -> TableExpression outer commons grp schemas params from

615+ -> TableExpression outer commons 'Ungrouped schemas params from

623 -- ^ intermediate virtual table

616 -- ^ intermediate virtual table

624 -> Query outer commons schemas params columns

617 -> Query outer commons schemas params columns

625selectDistinctOn_ distincts = selectDistinctOn distincts . List

618selectDistinctOn_ distincts = selectDistinctOn distincts . List

@@ -757,7 +750,7 @@ instance RenderSQL (TableExpression outer commons grp schemas params from) where

757from

750from

758 :: FromClause outer commons schemas params from -- ^ table reference

751 :: FromClause outer commons schemas params from -- ^ table reference

759 -> TableExpression outer commons 'Ungrouped schemas params from

752 -> TableExpression outer commons 'Ungrouped schemas params from

760−from tab = TableExpression tab [] noGroups NoHaving [] [] []

753+from tab = TableExpression tab [] NoGroups NoHaving [] [] []

761

754

762-- | A `where_` is an endomorphism of `TableExpression`s which adds a

755-- | A `where_` is an endomorphism of `TableExpression`s which adds a

763-- search condition to the `whereClause`.

756-- search condition to the `whereClause`.

@@ -778,7 +771,7 @@ groupBy

778groupBy bys rels = TableExpression

771groupBy bys rels = TableExpression

779 { fromClause = fromClause rels

772 { fromClause = fromClause rels

780 , whereClause = whereClause rels

773 , whereClause = whereClause rels

781− , groupByClause = group bys

774+ , groupByClause = Group bys

782 , havingClause = Having []

775 , havingClause = Having []

783 , orderByClause = []

776 , orderByClause = []

784 , limitClause = limitClause rels

777 , limitClause = limitClause rels

@@ -992,20 +985,19 @@ instance (Has rel rels cols, Has col cols ty, bys ~ '[ '(rel, col)])

992-- done on @NoGroups@ while all output `Expression`s must be aggregated

985-- done on @NoGroups@ while all output `Expression`s must be aggregated

993-- in @Group Nil@. In general, all output `Expression`s in the

986-- in @Group Nil@. In general, all output `Expression`s in the

994-- complement of @bys@ must be aggregated in @Group bys@.

987-- complement of @bys@ must be aggregated in @Group bys@.

995−newtype GroupByClause grp from = UnsafeGroupByClause

988+data GroupByClause grp from where

996− { renderGroupByClause :: ByteString }

989+ NoGroups :: GroupByClause 'Ungrouped from

997− deriving (GHC.Generic,Show,Eq,Ord,NFData)

990+ Group

991+ :: SListI bys

992+ => NP (By from) bys

993+ -> GroupByClause ('Grouped bys) from

994+

995+-- | Renders a `GroupByClause`.

998instance RenderSQL (GroupByClause grp from) where

996instance RenderSQL (GroupByClause grp from) where

999− renderSQL = renderGroupByClause

997+ renderSQL = \case

1000−noGroups :: GroupByClause 'Ungrouped from

998+ NoGroups -> ""

1001−noGroups = UnsafeGroupByClause ""

1002−group

1003− :: SListI bys

1004− => NP (By from) bys

1005− -> GroupByClause ('Grouped bys) from

1006−group bys = UnsafeGroupByClause $ case bys of

1007− Nil -> ""

999+ Group Nil -> ""

1008− bys' -> " GROUP BY" <+> renderCommaSeparated renderSQL bys'

1000+ Group bys -> " GROUP BY" <+> renderCommaSeparated renderSQL bys

1009

1001

1010-- | A `HavingClause` is used to eliminate groups that are not of interest.

1002-- | A `HavingClause` is used to eliminate groups that are not of interest.

1011-- An `Ungrouped` `TableExpression` may only use `NoHaving` while a `Grouped`

1003-- An `Ungrouped` `TableExpression` may only use `NoHaving` while a `Grouped`

squeal-postgresql/test/Property.hs+2−2

@@ -92,14 +92,14 @@ roundtrips = Group "roundtrips"

92 -- genTimeWithZone = (,) <$> genTimeOfDay <*> genTimeZone

94roundtrip

95− :: (OidOf ty, ToParam x ty, FromValue ty x, Show x, Eq x)

95+ :: (HasOid ty, ToParam x ty, FromValue ty x, Show x, Eq x)

96 => TypeExpression schemas ('NotNull ty)

97 -> Gen x

98 -> (PropertyName, Property)

99roundtrip = roundtripOn id

100

101roundtripOn

102− :: (OidOf ty, ToParam x ty, FromValue ty x, Show x, Eq x)

102+ :: (HasOid ty, ToParam x ty, FromValue ty x, Show x, Eq x)

103 => (x -> x)

104 -> TypeExpression schemas ('NotNull ty)

105 -> Gen x