-- Hoogle documentation, generated by Haddock
-- See Hoogle, http://www.haskell.org/hoogle/
-- | postgresql-tx interfacing for use with postgresql-simple.
--
-- Please see the README on GitHub at
-- https://github.com/simspace/postgresql-tx#readme
@package postgresql-tx-simple
@version 0.2.0.0
module Database.PostgreSQL.Tx.Simple.Internal
-- | Monad type alias for running postgresql-simple via
-- postgresql-tx.
type PgSimpleM a = forall r. (PgSimpleEnv r) => TxM r a
-- | Runtime environment needed to run postgresql-simple via
-- postgresql-tx.
type PgSimpleEnv r = (TxEnv Connection r) :: Constraint
unsafeRunTransaction :: PgSimpleEnv r => (Connection -> IO a -> IO a) -> r -> TxM r a -> IO a
fromSqlError :: SqlError -> TxException
unsafeFromPgSimple :: (Connection -> IO x) -> PgSimpleM x
unsafeFromPgSimple1 :: (Connection -> a1 -> IO x) -> a1 -> PgSimpleM x
unsafeFromPgSimple2 :: (Connection -> a1 -> a2 -> IO x) -> a1 -> a2 -> PgSimpleM x
module Database.PostgreSQL.Tx.Simple
-- | Runtime environment needed to run postgresql-simple via
-- postgresql-tx.
type PgSimpleEnv r = (TxEnv Connection r) :: Constraint
-- | Monad type alias for running postgresql-simple via
-- postgresql-tx.
type PgSimpleM a = forall r. (PgSimpleEnv r) => TxM r a
-- | Analogue of withTransaction.
withTransaction :: (PgSimpleEnv r, HasCallStack) => r -> (HasCallStack => TxM r a) -> IO a
-- | Analogue of withTransactionLevel.
withTransactionLevel :: (PgSimpleEnv r, HasCallStack) => IsolationLevel -> r -> (HasCallStack => TxM r a) -> IO a
-- | Analogue of withTransactionMode.
withTransactionMode :: (PgSimpleEnv r, HasCallStack) => TransactionMode -> r -> (HasCallStack => TxM r a) -> IO a
-- | Analogue of withTransactionSerializable. Unlike
-- postgresql-simple, uses shouldRetryTx to also retry on
-- deadlock_detected, not just serialization_failure.
--
-- Note that any IO that occurs inside the TxM may be
-- executed multiple times.
withTransactionSerializable :: (PgSimpleEnv r, HasCallStack) => r -> (HasCallStack => TxM r a) -> IO a
-- | Analogue of withTransactionModeRetry. You should generally
-- prefer withTransactionSerializable.
--
-- Note that any IO that occurs inside the TxM may be
-- executed multiple times.
withTransactionModeRetry :: (Exception e, PgSimpleEnv r, HasCallStack) => TransactionMode -> (e -> Bool) -> r -> (HasCallStack => TxM r a) -> IO a
-- | Analogue of query
query :: (ToRow q, FromRow x) => Query -> q -> PgSimpleM [x]
-- | Analogue of query_.
query_ :: FromRow x => Query -> PgSimpleM [x]
-- | Analogue of execute.
execute :: ToRow q => Query -> q -> PgSimpleM Int64
-- | Analogue of execute_.
execute_ :: Query -> PgSimpleM Int64