thunderstrike/purescript-postgresql-client
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Update Value.purs

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Add support for toSQLValue for list an array
This commit is contained in:
Stéphane Le Dorze 2017-06-08 18:05:58 +02:00 committed by GitHub
parent 146121c025
commit 49a2465e5f
1 changed files with 7 additions and 0 deletions
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src/Database/PostgreSQL/Value.purs
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@ -10,6 +10,7 @@ import Data.Either (Either)
import Data.Foreign (Foreign, isNull, readArray, readBoolean, readChar, readInt, readNumber, readString, toForeign, unsafeFromForeign)
import Data.List (List)
import Data.List as List
import Data.Array(fromFoldable)
import Data.Maybe (Maybe(..))
import Data.Traversable (traverse)
import Prelude
@ -55,9 +56,15 @@ instance fromSQLValueString :: FromSQLValue String where
instance fromSQLValueArray :: (FromSQLValue a) => FromSQLValue (Array a) where
fromSQLValue = traverse fromSQLValue <=< lmap show <<< runExcept <<< readArray
instance toSQLValueArray :: (ToSQLValue a) => ToSQLValue (Array a) where
toSQLValue = toForeign <<< map toSQLValue
instance fromSQLValueList :: (FromSQLValue a) => FromSQLValue (List a) where
fromSQLValue = map List.fromFoldable <<< traverse fromSQLValue <=< lmap show <<< runExcept <<< readArray
instance toSQLValueList :: (ToSQLValue a) => ToSQLValue (List a) where
toSQLValue = toForeign <<< fromFoldable <<< map toSQLValue
instance toSQLValueByteString :: ToSQLValue ByteString where
toSQLValue = toForeign