Mike Bayer f3a892a3ef - Custom dialects that implement :class:.GenericTypeCompiler can ...

now be constructed such that the visit methods receive an indication
of the owning expression object, if any.  Any visit method that
accepts keyword arguments (e.g. ``**kw``) will in most cases
receive a keyword argument ``type_expression``, referring to the
expression object that the type is contained within.  For columns
in DDL, the dialect's compiler class may need to alter its
``get_column_specification()`` method to support this as well.
The ``UserDefinedType.get_col_spec()`` method will also receive
``type_expression`` if it provides ``**kw`` in its argument
signature.
fixes #3074

2015-01-16 20:03:33 -05:00

..

build

- Custom dialects that implement :class:.GenericTypeCompiler can

2015-01-16 20:03:33 -05:00