Safe Haskell | None |
---|---|
Language | Haskell2010 |
Documentation
Types of scalar values
Used to specify the domain of legal values for a Column
.
NOTE: This type shouldn't _need_ ser/de instances, but they're imposed by
the Backend
class.
XXX: Should we add a Nullable _ :: Type
constructor instead of using an
isNullable
flag in Column
?