Yam.Transaction

Documentation

type Transaction m = SqlPersistT (ReaderT DataSource m)

data DataSourceConfig

Constructors

DataSourceConfig

Fields

• dstype :: Text
• dbname :: Text
• url :: Text
• user :: Text
• pass :: Text
• extra :: Text
• port :: Int
• thread :: Int
• enabled :: Bool

Instances

Show DataSourceConfig

Methods

showsPrec :: Int -> DataSourceConfig -> ShowS

show :: DataSourceConfig -> String

showList :: [DataSourceConfig] -> ShowS

FromJSON DataSourceConfig

Methods

parseJSON :: Value -> Parser DataSourceConfig

parseJSONList :: Value -> Parser [DataSourceConfig]

Default DataSourceConfig

Methods

def :: DataSourceConfig

data DataSourceProvider

Constructors

DataSourceProvider

Fields

• datasource :: Text
• currentSQL :: Text
• createConnectionPool :: DataSourceConfig -> LoggingT IO ConnectionPool

dataSource :: LoggerConfig -> DataSourceConfig -> [DataSourceProvider] -> IO DataSource

closeDataSource :: LoggerConfig -> DataSource -> IO ()

data DataSource

Instances

Show DataSource

Methods

showsPrec :: Int -> DataSource -> ShowS

show :: DataSource -> String

showList :: [DataSource] -> ShowS

LoggerMonad m => LoggerMonad (Transaction m)

Methods

loggerConfig :: Transaction m LoggerConfig

runTrans :: (LoggerMonad m, MonadUnliftIO m) => DataSource -> Transaction m a -> m a

query :: (MonadUnliftIO m, FromPersistValue a) => Text -> [PersistValue] -> Transaction m [a]

selectValue :: (PersistField a, MonadUnliftIO m) => Text -> Transaction m [a]

selectNow :: MonadUnliftIO m => Transaction m UTCTime