backendDataType :: MkPersistSettings -> Type
backendDataType mps
    | mpsGeneric mps = backendT
    | otherwise = mpsBackend mps
backendDataType :: MkPersistSettings -> Type
backendDataType mps
    | mpsGeneric mps = backendT
    | otherwise = mpsBackend mps
backendDataType mps
    | mpsGeneric mps = backendT
    | otherwise = mpsBackend mps