Opaleye.Internal.RunQuery

Documentation

data QueryRunnerColumn coltype haskell

Constructors

QueryRunnerColumn (Unpackspec (Column coltype) ()) (FieldParser haskell)

data QueryRunner columns haskells

Constructors

QueryRunner (Unpackspec columns ()) (RowParser haskells)

Instances

ProductProfunctor QueryRunner

Profunctor QueryRunner

QueryRunnerColumnDefault a b => Default QueryRunner (Column a) b

Functor (QueryRunner c)

Applicative (QueryRunner c)

fieldQueryRunnerColumn :: FromField haskell => QueryRunnerColumn coltype haskell

queryRunner :: QueryRunnerColumn a b -> QueryRunner (Column a) b

queryRunnerColumnNullable :: QueryRunnerColumn a b -> QueryRunnerColumn (Nullable a) (Maybe b)

class QueryRunnerColumnDefault a b where

Methods

queryRunnerColumnDefault :: QueryRunnerColumn a b

Instances

QueryRunnerColumnDefault PGUuid UUID

QueryRunnerColumnDefault PGTimestamptz UTCTime

QueryRunnerColumnDefault PGTimestamp LocalTime

QueryRunnerColumnDefault PGTime TimeOfDay

QueryRunnerColumnDefault PGText String

QueryRunnerColumnDefault PGText Text

QueryRunnerColumnDefault PGText Text

QueryRunnerColumnDefault PGInt4 Int

QueryRunnerColumnDefault PGInt8 Int64

QueryRunnerColumnDefault PGFloat8 Double

QueryRunnerColumnDefault PGDate Day

QueryRunnerColumnDefault PGBool Bool

QueryRunnerColumnDefault PGCitext (CI Text)

QueryRunnerColumnDefault PGCitext (CI Text)

QueryRunnerColumnDefault a b => QueryRunnerColumnDefault (Nullable a) (Maybe b)

(Typeable * b, QueryRunnerColumnDefault a b) => QueryRunnerColumnDefault (PGArray a) [b]

arrayColumn :: Column (PGArray a) -> Column a

arrayFieldParser :: Typeable a => FieldParser a -> FieldParser (PGArray a)

fromArray :: FieldParser a -> TypeInfo -> Field -> Parser (Conversion [a])