Database.PostgreSQL.Connector

PG Connector.

Documentation

newtype ConnectorT e m a

Constructors

ConnectorT

Fields

unConnectorT :: ReaderT e m a

Instances

Monad m => MonadReader e (ConnectorT e m)

MonadBase b m => MonadBase b (ConnectorT r m)

MonadTrans (ConnectorT r)

Monad m => Monad (ConnectorT e m)

Functor m => Functor (ConnectorT e m)

Applicative m => Applicative (ConnectorT e m)

MonadThrow m => MonadThrow (ConnectorT e m)

MonadCatch m => MonadCatch (ConnectorT e m)

MonadMask m => MonadMask (ConnectorT e m)

MonadIO m => MonadIO (ConnectorT e m)

MonadResource m => MonadResource (ConnectorT r m)

newtype Conn

Constructors

Conn

Fields

_cConnectionPool :: Pool Connection

Instances

HasConn Conn

class HasConn c where

Minimal complete definition

conn

Methods

conn :: Lens' c Conn

cConnectionPool :: Lens' c (Pool Connection)

Instances

HasConn Conn

type MonadConnector e m = (MonadIO m, MonadMask m, MonadResource m, MonadReader e m, HasConn e)

data ConnInfo

Constructors

ConnInfo

Fields

_ciDatabaseUrl :: ByteString

_ciStripes :: Int

_ciConnections :: Int

_ciIdleTime :: NominalDiffTime

Instances

Eq ConnInfo

Show ConnInfo

runConnectorT :: HasConn e => e -> ConnectorT e m a -> m a

newConn :: MonadIO m => ConnInfo -> m Conn

newConnInfo :: ByteString -> ConnInfo

withConnection :: MonadConnector e m => (Connection -> m a) -> m a

withTransaction :: MonadConnector e m => IO a -> m a

query :: (MonadConnector e m, ToRow q, FromRow r) => Query -> q -> m [r]

query_ :: (MonadConnector e m, FromRow r) => Query -> m [r]

execute :: (MonadConnector e m, ToRow q) => Query -> q -> m Int64

executeMany :: (MonadConnector e m, ToRow q) => Query -> [q] -> m Int64

execute_ :: MonadConnector e m => Query -> m Int64

returning :: (MonadConnector e m, ToRow q, FromRow r) => Query -> [q] -> m [r]