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29 lines
786 B
Haskell
29 lines
786 B
Haskell
module Hasql.Decoders.Array where
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import Hasql.Prelude
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import qualified PostgreSQL.Binary.Decoding as A
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newtype Array a
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= Array (ReaderT Bool A.Array a)
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deriving (Functor)
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{-# INLINE run #-}
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run :: Array a -> Bool -> A.Value a
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run (Array imp) env =
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A.array (runReaderT imp env)
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{-# INLINE dimension #-}
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dimension :: (forall m. (Monad m) => Int -> m a -> m b) -> Array a -> Array b
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dimension replicateM (Array imp) =
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Array $ ReaderT $ \env -> A.dimensionArray replicateM (runReaderT imp env)
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{-# INLINE value #-}
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value :: (Bool -> A.Value a) -> Array (Maybe a)
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value decoder' =
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Array $ ReaderT $ A.nullableValueArray . decoder'
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{-# INLINE nonNullValue #-}
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nonNullValue :: (Bool -> A.Value a) -> Array a
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nonNullValue decoder' =
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Array $ ReaderT $ A.valueArray . decoder'
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