persistent-1.1.5.1: Type-safe, multi-backend data serialization.

Safe HaskellNone

Database.Persist.Query.Join.Sql

Documentation

class RunJoin a where

Methods

runJoin :: (MonadResource m, MonadLogger m, MonadSqlPersist m) => a -> m (Result a)

Instances

(PersistEntity one, PersistEntity many, Eq (Key one)) => RunJoin (SelectOneMany one many)