opaleye-0.4.0.0: An SQL-generating DSL targeting PostgreSQL

Safe HaskellSafe-Inferred
LanguageHaskell98

Opaleye.Internal.Column

Synopsis

Documentation

newtype Column a Source

The Num and Fractional instances for Column a are too general. For example, they allow you to add two Column Strings. This will be fixed in a subsequent release.

Constructors

Column PrimExpr 

unsafeCoerce :: Column a -> Column b Source

Deprecated: Use unsafeCoerceColumn instead

binOp :: BinOp -> Column a -> Column b -> Column c Source

unsafeCase_ :: [(Column pgBool, Column a)] -> Column a -> Column a Source

unsafeGt :: Column a -> Column a -> Column pgBool Source

unsafeEq :: Column a -> Column a -> Column pgBool Source