opaleye-0.7.1.0: An SQL-generating DSL targeting PostgreSQL

Safe HaskellNone
LanguageHaskell2010

Opaleye.Experimental.Enum

Documentation

fromFieldToFieldsEnum :: String -> (String -> Maybe haskellSum) -> (haskellSum -> String) -> (FromField sqlEnum haskellSum, ToFields haskellSum (Column sqlEnum)) Source #