postgresql-orm-0.2: An ORM (Object Relational Mapping) and migrations DSL for PostgreSQL.

Safe Haskell	None

Database.PostgreSQL.ORM.Validations

Documentation

data InvalidError Source

Constructors

InvalidError
Fields invalidColumn :: !ByteString invalidError :: !ByteString

Instances

Show InvalidError
ToJSON InvalidError

newtype ValidationError Source

Constructors

ValidationError [InvalidError]

Instances

Show ValidationError
Typeable ValidationError
Exception ValidationError

type ValidationFunc a = a -> [InvalidError]Source

validate Source

Arguments

:: (a -> Bool)
-> ByteString	Column name
-> ByteString	Error description
-> ValidationFunc a

validateNotEmpty :: (a -> Text) -> ByteString -> ByteString -> ValidationFunc aSource