thunderstrike/purescript-postgresql-client
thunderstrike/purescript-postgresql-client
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rightfold 2017-06-13 11:49:07 +02:00
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commit 13d0fcfb8e
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5
README.md
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@ -2,9 +2,8 @@
purescript-postgresql-client is a PostgreSQL client library for PureScript. purescript-postgresql-client is a PostgreSQL client library for PureScript.
To use this library, you need to add `pg` as an npm dependency. To use this library, you need to add `pg` as an npm dependency. You can also
find this npm library on [https://github.com/brianc/node-postgres][pg].
`pg` being the npm repo of https://github.com/brianc/node-postgres
The purspgpp preprocessor has been replaced by [sqltopurs], which is a code The purspgpp preprocessor has been replaced by [sqltopurs], which is a code
generator instead of a preprocessor, and easier to use. generator instead of a preprocessor, and easier to use.

14
src/Database/PostgreSQL/Value.purs
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@ -3,6 +3,7 @@ module Database.PostgreSQL.Value where
import Control.Monad.Eff (kind Effect) import Control.Monad.Eff (kind Effect)
import Control.Monad.Error.Class (throwError) import Control.Monad.Error.Class (throwError)
import Control.Monad.Except (runExcept) import Control.Monad.Except (runExcept)
import Data.Array as Array
import Data.Bifunctor (lmap) import Data.Bifunctor (lmap)
import Data.ByteString (ByteString) import Data.ByteString (ByteString)
import Data.DateTime.Instant (Instant) import Data.DateTime.Instant (Instant)
@ -10,7 +11,6 @@ import Data.Either (Either)
import Data.Foreign (Foreign, isNull, readArray, readBoolean, readChar, readInt, readNumber, readString, toForeign, unsafeFromForeign) import Data.Foreign (Foreign, isNull, readArray, readBoolean, readChar, readInt, readNumber, readString, toForeign, unsafeFromForeign)
import Data.List (List) import Data.List (List)
import Data.List as List import Data.List as List
import Data.Array(fromFoldable)
import Data.Maybe (Maybe(..)) import Data.Maybe (Maybe(..))
import Data.Traversable (traverse) import Data.Traversable (traverse)
import Prelude import Prelude
@ -53,17 +53,17 @@ instance toSQLValueString :: ToSQLValue String where
instance fromSQLValueString :: FromSQLValue String where instance fromSQLValueString :: FromSQLValue String where
fromSQLValue = lmap show <<< runExcept <<< readString fromSQLValue = lmap show <<< runExcept <<< readString
instance fromSQLValueArray :: (FromSQLValue a) => FromSQLValue (Array a) where
fromSQLValue = traverse fromSQLValue <=< lmap show <<< runExcept <<< readArray
instance toSQLValueArray :: (ToSQLValue a) => ToSQLValue (Array a) where instance toSQLValueArray :: (ToSQLValue a) => ToSQLValue (Array a) where
toSQLValue = toForeign <<< map toSQLValue toSQLValue = toForeign <<< map toSQLValue
instance fromSQLValueList :: (FromSQLValue a) => FromSQLValue (List a) where instance fromSQLValueArray :: (FromSQLValue a) => FromSQLValue (Array a) where
fromSQLValue = map List.fromFoldable <<< traverse fromSQLValue <=< lmap show <<< runExcept <<< readArray fromSQLValue = traverse fromSQLValue <=< lmap show <<< runExcept <<< readArray
instance toSQLValueList :: (ToSQLValue a) => ToSQLValue (List a) where instance toSQLValueList :: (ToSQLValue a) => ToSQLValue (List a) where
toSQLValue = toForeign <<< fromFoldable <<< map toSQLValue toSQLValue = toForeign <<< Array.fromFoldable <<< map toSQLValue
instance fromSQLValueList :: (FromSQLValue a) => FromSQLValue (List a) where
fromSQLValue = map List.fromFoldable <<< traverse fromSQLValue <=< lmap show <<< runExcept <<< readArray
instance toSQLValueByteString :: ToSQLValue ByteString where instance toSQLValueByteString :: ToSQLValue ByteString where
toSQLValue = toForeign toSQLValue = toForeign