database-migrate-0.0.1: Database versioning and migration

Safe HaskellSafe-Infered

Database.Migrate.Core

Documentation

type MigrationId = TextSource

type Ddl = TextSource

data Migration Source

Constructors

Migration 

Fields

migration :: MigrationId
 
up :: Text
 
down :: Text
 
upsource :: Maybe FilePath
 
downsource :: Maybe FilePath
 

data Context Source

Constructors

Context 

Fields

succeeded :: [MigrationId]
 
failed :: MigrationId
 
msg :: Text
 
rolledback :: Bool
 

Instances

type MigrationResultT = EitherT ContextSource

class Monad m => MigrateDatabase m c whereSource

Methods

initialize :: c -> m ()Source

runMigrations :: c -> (Migration -> Ddl) -> [Migration] -> MigrationResultT m [MigrationId]Source

getMigrations :: c -> m [MigrationId]Source

Instances

pick :: [Migration] -> [MigrationId] -> [Migration]Source

latest :: MigrateDatabase m c => c -> [Migration] -> MigrationResultT m [MigrationId]Source

find :: FilePath -> EitherT String IO [Migration]Source

migrationids :: FilePath -> [FilePath] -> IO [String]Source

readFile' :: FilePath -> IO StringSource

hGetContents' :: Handle -> IO StringSource