Database.Persist.Zookeeper

Documentation

data ZookeeperConf

Information required to connect to a Zookeeper server

Constructors

ZookeeperConf

Fields

zCoord :: String

zTimeout :: Timeout

zNumStripes :: Int

zIdleTime :: NominalDiffTime

zMaxResources :: Int

Instances

Show ZookeeperConf

PersistConfig ZookeeperConf

type PersistConfigPool ZookeeperConf = Connection

type PersistConfigBackend ZookeeperConf = Action

type Connection = Pool Zookeeper

type Action = ReaderT Zookeeper

execZookeeper :: (Read a, Show a, Monad m, MonadIO m) => (Zookeeper -> IO (Either ZKError a)) -> Action m a

withZookeeperPool :: (Monad m, MonadIO m) => ZookeeperConf -> (Connection -> m a) -> m a

Run a connection reader function against a Zookeeper configuration

runZookeeperPool :: MonadBaseControl IO m => Action m b -> Connection -> m b

defaultZookeeperConf :: ZookeeperConf

defaultZookeeperSettings :: MkPersistSettings

deleteRecursive :: (Monad m, MonadIO m) => String -> Action m ()

data family BackendKey backend

Instances

Bounded (BackendKey SqlBackend)

Enum (BackendKey SqlBackend)

Eq (BackendKey Zookeeper)

Eq (BackendKey SqlBackend)

Integral (BackendKey SqlBackend)

Num (BackendKey SqlBackend)

Ord (BackendKey Zookeeper)

Ord (BackendKey SqlBackend)

Read (BackendKey Zookeeper)

Read (BackendKey SqlBackend)

Real (BackendKey SqlBackend)

Show (BackendKey Zookeeper)

Show (BackendKey SqlBackend)

ToJSON (BackendKey Zookeeper)

ToJSON (BackendKey SqlBackend)

FromJSON (BackendKey Zookeeper)

FromJSON (BackendKey SqlBackend)

PathPiece (BackendKey Zookeeper)

ToPathPiece is used to convert a key to/from text

PathPiece (BackendKey SqlBackend)

PersistFieldSql (BackendKey Zookeeper)

PersistFieldSql (BackendKey SqlBackend)

PersistField (BackendKey Zookeeper)

PersistField (BackendKey SqlBackend)

data BackendKey Zookeeper = ZooKey {

• unZooKey :: Text

}

data BackendKey SqlBackend = SqlBackendKey {

• unSqlBackendKey :: Int64

}

dummyFromFilts :: [Filter v] -> Maybe v

data OrNull

Constructors

OrNullYes

OrNullNo

filterClauseHelper

Arguments

:: PersistEntity val

=> Bool

include WHERE?

-> OrNull

-> val

-> [Filter val]

-> (Bool, Text, [PersistValue])

filterClause :: PersistEntity val => val -> [Filter val] -> (Bool, Text, [PersistValue])

addIdx :: [[String]] -> [(String, Int)]

delIdx :: [(String, Int)] -> [[String]]

dropIdx :: Int -> [[String]] -> [[String]]

takeIdx :: Int -> [[String]] -> [[String]]

sortIdx' :: Ord a => Bool -> [(String, a)] -> [[(String, a)]]

sortIdx :: Ord a => Bool -> [[(String, a)]] -> [[(String, a)]]

fstIdx :: Ord a => [[(String, a)]] -> [[String]]

selectOptParser' :: (PersistStore backend, MonadIO m, PersistEntity val, backend ~ PersistEntityBackend val) => [[String]] -> [SelectOpt val] -> ReaderT backend m [[String]]

selectOptParser :: (PersistStore backend, MonadIO m, PersistEntity val, backend ~ PersistEntityBackend val) => [String] -> [SelectOpt val] -> ReaderT backend m [String]