database-migrate-0.1.0: Database versioning and migration (experimental)

Safe Haskell	None

Database.Migrate.Data

Documentation

data MigrationId Source

Constructors

MigrationId
Fields extract :: Text

Instances

Eq MigrationId
Ord MigrationId
Show MigrationId
FromField MigrationId
ToField MigrationId

data MigrationLog Source

Constructors

DatabaseInitialized
MigrationApplied Migration
MigrationFailed Migration String
MigrationRolledback Migration String

Instances

Eq MigrationLog
Show MigrationLog

data Migration Source

Constructors

Migration
Fields migrationId :: MigrationId up :: Text down :: Text

Instances

Eq Migration
Ord Migration
Show Migration

data MigrationRecords Source

Constructors

NotInitialized
Initialized [MigrationId]

data Migrations Source

Constructors

Migrations
Fields getMigrations :: [Migration]

data Migrate c m a Source

Constructors

Migrate
Fields runMigrate :: ReaderT (Migrations, c) (MaybeT (WriterT [MigrationLog] m)) a

Instances

MonadTrans (Migrate c)
Monad m => Monad (Migrate c m)
Monad f => Functor (Migrate c f)
(Monad (Migrate c m), MonadIO m) => MonadIO (Migrate c m)

data MigrateDatabase m c Source

Constructors

MigrateDatabase
Fields current :: Migrate c m MigrationRecords initialize :: Migrate c m () runSql :: Text -> Migrate c m () recordInstall :: Migration -> Migrate c m () recordRollback :: Migration -> Migrate c m ()