[Sqlalchemy-commits] commit/sqlalchemy: zzzeek: - Custom dialects that implement :class:`.GenericTypeCompiler` can

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1 new commit in sqlalchemy:

https://bitbucket.org/zzzeek/sqlalchemy/commits/f3a892a3ef66/
Changeset:   f3a892a3ef66
Branch:      None
User:        zzzeek
Date:        2015-01-17 01:03:33+00:00
Summary:     - 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

Affected #:  13 files

Repository URL: https://bitbucket.org/zzzeek/sqlalchemy/

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