[Sqlalchemy-commits] commit/sqlalchemy: 4 new changesets

[Bitbucket <com...@bi...>]

4 new commits in sqlalchemy:

https://bitbucket.org/zzzeek/sqlalchemy/commits/1157b55c0135/
Changeset:   1157b55c0135
Branch:      None
User:        zzzeek
Date:        2013-10-23 22:33:11
Summary:     tighten up some _negate methods

Affected #:  1 file

https://bitbucket.org/zzzeek/sqlalchemy/commits/04c24699d156/
Changeset:   04c24699d156
Branch:      None
User:        zzzeek
Date:        2013-10-23 22:53:52
Summary:     - remove _asbool() calls using a new operator symbol _asbool in conjunction
with self_group()

Affected #:  2 files

https://bitbucket.org/zzzeek/sqlalchemy/commits/be45460f2d7f/
Changeset:   be45460f2d7f
Branch:      ticket_2804
User:        zzzeek
Date:        2013-10-23 23:37:23
Summary:     - docs, changelog, migration
- cleanup

Affected #:  5 files

https://bitbucket.org/zzzeek/sqlalchemy/commits/f035b6e0a412/
Changeset:   f035b6e0a412
Branch:      master
User:        zzzeek
Date:        2013-10-23 23:44:52
Summary:     An overhaul of expression handling for special symbols particularly
with conjunctions, e.g.
``None`` :func:`.expression.null` :func:`.expression.true`
:func:`.expression.false`, including consistency in rendering NULL
in conjunctions, "short-circuiting" of :func:`.and_` and :func:`.or_`
expressions which contain boolean constants, and rendering of
boolean constants and expressions as compared to "1" or "0" for backends
that don't feature ``true``/``false`` constants. [ticket:2804]

Affected #:  18 files

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

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