persistent-2.2.2: Type-safe, multi-backend data serialization.

Safe HaskellNone
LanguageHaskell98

Database.Persist.Sql.Util

Documentation

parseEntityValues :: PersistEntity record => EntityDef -> [PersistValue] -> Either Text (Entity record) Source

entityColumnNames :: EntityDef -> SqlBackend -> [Sql] Source

keyAndEntityColumnNames :: EntityDef -> SqlBackend -> [Sql] Source

entityColumnCount :: EntityDef -> Int Source

isIdField :: PersistEntity record => EntityField record typ -> Bool Source

hasCompositeKey :: EntityDef -> Bool Source

dbIdColumns :: SqlBackend -> EntityDef -> [Text] Source

dbIdColumnsEsc :: (DBName -> Text) -> EntityDef -> [Text] Source

dbColumns :: SqlBackend -> EntityDef -> [Text] Source