Safe Haskell	None
Language	Haskell2010

Opaleye.Internal.Distinct

Documentation

distinctExplicit :: Distinctspec fields fields' -> Select fields -> Select fields' Source #

newtype Distinctspec a b Source #

Constructors

Distinctspec (Aggregator a b)

Instances

Instances details

Profunctor Distinctspec Source #
Instance details Defined in Opaleye.Internal.Distinct Methods dimap :: (a -> b) -> (c -> d) -> Distinctspec b c -> Distinctspec a d # lmap :: (a -> b) -> Distinctspec b c -> Distinctspec a c # rmap :: (b -> c) -> Distinctspec a b -> Distinctspec a c # (#.) :: forall a b c q. Coercible c b => q b c -> Distinctspec a b -> Distinctspec a c # (.#) :: forall a b c q. Coercible b a => Distinctspec b c -> q a b -> Distinctspec a c #
ProductProfunctor Distinctspec Source #
Instance details Defined in Opaleye.Internal.Distinct Methods purePP :: b -> Distinctspec a b # (**) :: Distinctspec a (b -> c) -> Distinctspec a b -> Distinctspec a c # empty :: Distinctspec () () # (*!) :: Distinctspec a b -> Distinctspec a' b' -> Distinctspec (a, a') (b, b') #
SumProfunctor Distinctspec Source #
Instance details Defined in Opaleye.Internal.Distinct Methods (+++!) :: Distinctspec a b -> Distinctspec a' b' -> Distinctspec (Either a a') (Either b b') #
Default Distinctspec (Column a) (Column a) Source #
Instance details Defined in Opaleye.Internal.Distinct Methods def :: Distinctspec (Column a) (Column a) #
Default (WithNulls Distinctspec) a b => Default Distinctspec (MaybeFields a) (MaybeFields b) Source #
Instance details Defined in Opaleye.Internal.Distinct Methods def :: Distinctspec (MaybeFields a) (MaybeFields b) #
Functor (Distinctspec a) Source #
Instance details Defined in Opaleye.Internal.Distinct Methods fmap :: (a0 -> b) -> Distinctspec a a0 -> Distinctspec a b # (<$) :: a0 -> Distinctspec a b -> Distinctspec a a0 #
Applicative (Distinctspec a) Source #
Instance details Defined in Opaleye.Internal.Distinct Methods pure :: a0 -> Distinctspec a a0 # (<>) :: Distinctspec a (a0 -> b) -> Distinctspec a a0 -> Distinctspec a b # liftA2 :: (a0 -> b -> c) -> Distinctspec a a0 -> Distinctspec a b -> Distinctspec a c # (>) :: Distinctspec a a0 -> Distinctspec a b -> Distinctspec a b # (<*) :: Distinctspec a a0 -> Distinctspec a b -> Distinctspec a a0 #

distinctspecField :: Distinctspec (Column a) (Column a) Source #

distinctspecMaybeFields :: WithNulls Distinctspec a b -> Distinctspec (MaybeFields a) (MaybeFields b) Source #