[Sqlalchemy-commits] commit/sqlalchemy: zzzeek: - Fixed a regression that was incorrectly fixed in 1.0.0b4

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1 new commit in sqlalchemy:

https://bitbucket.org/zzzeek/sqlalchemy/commits/f9275198c304/
Changeset:   f9275198c304
Branch:      None
User:        zzzeek
Date:        2015-04-24 21:04:35+00:00
Summary:     - Fixed a regression that was incorrectly fixed in 1.0.0b4
(hence becoming two regressions); reports that
SELECT statements would GROUP BY a label name and fail was misconstrued
that certain backends such as SQL Server should not be emitting
ORDER BY or GROUP BY on a simple label name at all; when in fact,
we had forgotten that 0.9 was already emitting ORDER BY on a simple
label name for all backends, as described in :ref:`migration_1068`,
as 1.0 had rewritten this logic as part of :ticket:`2992`.

In 1.0.2, the bug is fixed both that SQL Server, Firebird and others
will again emit ORDER BY on a simple label name when passed a
:class:`.Label` construct that is expressed in the columns clause,
and no backend will emit GROUP BY on a simple label name in this case,
as even Postgresql can't reliably do GROUP BY on a simple name
in every case.
fixes #3338, fixes #3385

Affected #:  7 files

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

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