{-# LANGUAGE OverlappingInstances #-}
{-# OPTIONS_GHC -fno-warn-deprecated-flags #-}
module Database.PostgreSQL.PQTypes.Class (
MonadDB(..)
) where
import Control.Monad.Trans
import Control.Monad.Trans.Control
import Database.PostgreSQL.PQTypes.FromRow
import Database.PostgreSQL.PQTypes.Internal.Connection
import Database.PostgreSQL.PQTypes.Internal.Notification
import Database.PostgreSQL.PQTypes.Internal.QueryResult
import Database.PostgreSQL.PQTypes.SQL.Class
import Database.PostgreSQL.PQTypes.Transaction.Settings
class (Applicative m, Monad m) => MonadDB m where
runQuery :: IsSQL sql => sql -> m Int
getLastQuery :: m SomeSQL
withFrozenLastQuery :: m a -> m a
getConnectionStats :: m ConnectionStats
getQueryResult :: FromRow row => m (Maybe (QueryResult row))
clearQueryResult :: m ()
getTransactionSettings :: m TransactionSettings
setTransactionSettings :: TransactionSettings -> m ()
getNotification :: Int -> m (Maybe Notification)
withNewConnection :: m a -> m a
instance (
Applicative (t m)
, Monad (t m)
, MonadTrans t
, MonadTransControl t
, MonadDB m
) => MonadDB (t m) where
runQuery :: sql -> t m Int
runQuery = m Int -> t m Int
forall (t :: (* -> *) -> * -> *) (m :: * -> *) a.
(MonadTrans t, Monad m) =>
m a -> t m a
lift (m Int -> t m Int) -> (sql -> m Int) -> sql -> t m Int
forall b c a. (b -> c) -> (a -> b) -> a -> c
. sql -> m Int
forall (m :: * -> *) sql. (MonadDB m, IsSQL sql) => sql -> m Int
runQuery
getLastQuery :: t m SomeSQL
getLastQuery = m SomeSQL -> t m SomeSQL
forall (t :: (* -> *) -> * -> *) (m :: * -> *) a.
(MonadTrans t, Monad m) =>
m a -> t m a
lift m SomeSQL
forall (m :: * -> *). MonadDB m => m SomeSQL
getLastQuery
withFrozenLastQuery :: t m a -> t m a
withFrozenLastQuery t m a
m = (Run t -> m (StT t a)) -> t m a
forall (t :: (* -> *) -> * -> *) (m :: * -> *) a.
(MonadTransControl t, Monad (t m), Monad m) =>
(Run t -> m (StT t a)) -> t m a
controlT ((Run t -> m (StT t a)) -> t m a)
-> (Run t -> m (StT t a)) -> t m a
forall a b. (a -> b) -> a -> b
$ \Run t
run -> m (StT t a) -> m (StT t a)
forall (m :: * -> *) a. MonadDB m => m a -> m a
withFrozenLastQuery (t m a -> m (StT t a)
Run t
run t m a
m)
getConnectionStats :: t m ConnectionStats
getConnectionStats = m ConnectionStats -> t m ConnectionStats
forall (t :: (* -> *) -> * -> *) (m :: * -> *) a.
(MonadTrans t, Monad m) =>
m a -> t m a
lift m ConnectionStats
forall (m :: * -> *). MonadDB m => m ConnectionStats
getConnectionStats
getQueryResult :: t m (Maybe (QueryResult row))
getQueryResult = m (Maybe (QueryResult row)) -> t m (Maybe (QueryResult row))
forall (t :: (* -> *) -> * -> *) (m :: * -> *) a.
(MonadTrans t, Monad m) =>
m a -> t m a
lift m (Maybe (QueryResult row))
forall (m :: * -> *) row.
(MonadDB m, FromRow row) =>
m (Maybe (QueryResult row))
getQueryResult
clearQueryResult :: t m ()
clearQueryResult = m () -> t m ()
forall (t :: (* -> *) -> * -> *) (m :: * -> *) a.
(MonadTrans t, Monad m) =>
m a -> t m a
lift m ()
forall (m :: * -> *). MonadDB m => m ()
clearQueryResult
getTransactionSettings :: t m TransactionSettings
getTransactionSettings = m TransactionSettings -> t m TransactionSettings
forall (t :: (* -> *) -> * -> *) (m :: * -> *) a.
(MonadTrans t, Monad m) =>
m a -> t m a
lift m TransactionSettings
forall (m :: * -> *). MonadDB m => m TransactionSettings
getTransactionSettings
setTransactionSettings :: TransactionSettings -> t m ()
setTransactionSettings = m () -> t m ()
forall (t :: (* -> *) -> * -> *) (m :: * -> *) a.
(MonadTrans t, Monad m) =>
m a -> t m a
lift (m () -> t m ())
-> (TransactionSettings -> m ()) -> TransactionSettings -> t m ()
forall b c a. (b -> c) -> (a -> b) -> a -> c
. TransactionSettings -> m ()
forall (m :: * -> *). MonadDB m => TransactionSettings -> m ()
setTransactionSettings
getNotification :: Int -> t m (Maybe Notification)
getNotification = m (Maybe Notification) -> t m (Maybe Notification)
forall (t :: (* -> *) -> * -> *) (m :: * -> *) a.
(MonadTrans t, Monad m) =>
m a -> t m a
lift (m (Maybe Notification) -> t m (Maybe Notification))
-> (Int -> m (Maybe Notification))
-> Int
-> t m (Maybe Notification)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Int -> m (Maybe Notification)
forall (m :: * -> *). MonadDB m => Int -> m (Maybe Notification)
getNotification
withNewConnection :: t m a -> t m a
withNewConnection t m a
m = (Run t -> m (StT t a)) -> t m a
forall (t :: (* -> *) -> * -> *) (m :: * -> *) a.
(MonadTransControl t, Monad (t m), Monad m) =>
(Run t -> m (StT t a)) -> t m a
controlT ((Run t -> m (StT t a)) -> t m a)
-> (Run t -> m (StT t a)) -> t m a
forall a b. (a -> b) -> a -> b
$ \Run t
run -> m (StT t a) -> m (StT t a)
forall (m :: * -> *) a. MonadDB m => m a -> m a
withNewConnection (t m a -> m (StT t a)
Run t
run t m a
m)
{-# INLINE runQuery #-}
{-# INLINE getLastQuery #-}
{-# INLINE withFrozenLastQuery #-}
{-# INLINE getConnectionStats #-}
{-# INLINE getQueryResult #-}
{-# INLINE clearQueryResult #-}
{-# INLINE getTransactionSettings #-}
{-# INLINE setTransactionSettings #-}
{-# INLINE getNotification #-}
{-# INLINE withNewConnection #-}