persistent-0.2.0.1: Type-safe, non-relational, multi-backend persistence.

Database.Persist.GenericSql

Description

This is a helper module for creating SQL backends. Regular users do not need to use this module.

Documentation

newtype SqlPersist m a Source

Constructors

SqlPersist (ReaderT Connection m a)

Instances

MonadTrans SqlPersist
Monad m => Monad (SqlPersist m)
Functor m => Functor (SqlPersist m)
Applicative m => Applicative (SqlPersist m)
MonadCatchIO m => MonadCatchIO (SqlPersist m)
MonadIO m => MonadIO (SqlPersist m)
MonadCatchIO m => PersistBackend (SqlPersist m)

data Connection Source

type ConnectionPool = Pool Connection Source

data Statement Source

runSqlConn :: MonadCatchIO m => SqlPersist m a -> Connection -> m aSource

runSqlPool :: MonadCatchIO m => SqlPersist m a -> Pool Connection -> m aSource

type Migration m = WriterT [String] (WriterT CautiousMigration m) ()Source

parseMigration :: Monad m => Migration m -> m (Either [String] CautiousMigration)Source

parseMigration' :: Monad m => Migration m -> m CautiousMigrationSource

printMigration :: MonadCatchIO m => Migration (SqlPersist m) -> SqlPersist m ()Source

getMigration :: MonadCatchIO m => Migration (SqlPersist m) -> SqlPersist m [Sql]Source

runMigration :: MonadCatchIO m => Migration (SqlPersist m) -> SqlPersist m ()Source

runMigrationUnsafe :: MonadCatchIO m => Migration (SqlPersist m) -> SqlPersist m ()Source

migrate :: (MonadCatchIO m, PersistEntity val) => val -> Migration (SqlPersist m)Source