opaleye-0.4.2.0: An SQL-generating DSL targeting PostgreSQL

Safe HaskellNone
LanguageHaskell98

Opaleye.Internal.Values

Documentation

valuesU :: Unpackspec columns columns' -> Valuesspec columns columns' -> [columns] -> ((), Tag) -> (columns', PrimQuery, Tag) Source

extractValuesEntry :: PrimExpr -> PM [PrimExpr] PrimExpr Source

extractValuesField :: Tag -> PrimExpr -> PM [(Symbol, PrimExpr)] PrimExpr Source

newtype Valuesspec columns columns' Source

Constructors

Valuesspec (PackMap PrimExpr PrimExpr () columns') 

Instances

runValuesspec :: Applicative f => Valuesspec columns columns' -> (PrimExpr -> f PrimExpr) -> f columns' Source