Database.Beam.Internal

Documentation

data DBSchemaComparison

Constructors

Migration [MigrationAction]

Unknown

Instances

Show DBSchemaComparison

data MigrationAction where

Constructors

MACreateTable :: Table table => Text -> Proxy table -> MigrationAction

Instances

Show MigrationAction

class BeamBackend backendSettings where

Methods

openBeam :: (MonadIO m, Database d) => DatabaseSettings d -> backendSettings -> m (Beam d m)

Instances

BeamBackend Sqlite3Settings

data Beam d m

Constructors

Beam

Fields

beamDbSettings :: DatabaseSettings d

beamDebug :: Bool

closeBeam :: m ()

compareSchemas :: ReifiedDatabaseSchema -> DatabaseSettings d -> DBSchemaComparison

adjustColDescForBackend :: SQLColumnSchema -> SQLColumnSchema

getLastInsertedRow :: Text -> m [SqlValue]

withHDBCConnection :: forall a. (forall conn. IConnection conn => conn -> m a) -> m a

newtype BeamT e d m a

Constructors

BeamT

Fields

runBeamT :: Beam d m -> m (BeamResult e a)

Instances

MonadTrans (BeamT e d)

Monad m => Monad (BeamT e d m)

Monad m => Functor (BeamT e d m)

Monad m => Applicative (BeamT e d m)

MonadIO m => MonadIO (BeamT e d m)

data BeamResult e a

Constructors

Success a

Rollback (BeamRollbackReason e)

Instances

(Show e, Show a) => Show (BeamResult e a)

data BeamRollbackReason e

Constructors

InternalError String

UserError e

Instances

Show e => Show (BeamRollbackReason e)

Error (BeamRollbackReason e)

transBeam :: Functor m => (forall a. (s -> m (a, Maybe b)) -> n a) -> (forall a. n a -> s -> m (a, b)) -> Beam d m -> Beam d n