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16 Commits

Author SHA1 Message Date
Malcolm Tredinnick ade4a1246c Reorganised the internals of the Where node a bit to fix some copying problems. 
We no longer store any reference to Django field instances or models in the
Where node. This should improve cloning speed, fix some pickling difficulties,
reduce memory usage and remove some infinite loop possibilities in odd cases.
Slightly backwards incompatible if you're writing custom filters. See the
BackwardsIncompatibleChanges wiki page for details.

Fixed #7128, #7204, #7506.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@7773 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-06-27 03:27:20 +00:00
Malcolm Tredinnick 9e23c3c5d9 EmptyQuerySet classes can now be merged with normal querysets. 
git-svn-id: http://code.djangoproject.com/svn/django/trunk@7765 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-06-26 11:42:12 +00:00
Malcolm Tredinnick 0e692fda9c Fixed the way symmetrical many-to-many relations are recorded in the Options class. 
These types of relations don't have reverse accessor names, so that name can be
used by a normal field on the model. Fixed #7107.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@7764 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-06-26 10:50:25 +00:00
Malcolm Tredinnick ba015e0a79 Fixed #7181 -- when ordering by a potentially NULL field, use a left-outer join 
so that the ordering doesn't accidentally restrict the result set.

(Ironically, one existing test actually showed this problem, but I was too
dumb to notice the result was incorrect.)


git-svn-id: http://code.djangoproject.com/svn/django/trunk@7761 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-06-26 06:50:22 +00:00
Malcolm Tredinnick e41df5adcc Fixed #7076 -- Include NULL values when excluding non-NULL items. 
Based on a patch from emulbreh.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@7760 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-06-26 05:34:26 +00:00
Malcolm Tredinnick 915001ad0b Fixed #7109 -- Quote certain values before passing them for substitution in 
Field.db_type().

This fixes a problem with using reserved words for field names in Oracle. Only
affects Oracle at the moment, but the same changes could easily be used by
other backends if they are required (requires changing creation.py, only).

This commit also reverts [7501] so that if the fix doesn't work, it will show
up in the tests (and if it does work, the tests will prevent us from breaking
it again).


git-svn-id: http://code.djangoproject.com/svn/django/trunk@7743 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-06-26 03:11:32 +00:00
Malcolm Tredinnick 588eeb356c Fixed a problem when constructing complex select_related() calls. 
Avoids joining with the wrong tables when connecting select_related() tables to
the main query. This also leads to slightly more efficient (meaning less tables
are joined) SQL queries in some other cases, too. Some unnecessary tables are
now trimmed that were not previously.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@7741 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-06-26 01:02:11 +00:00
Malcolm Tredinnick 1834428648 Fixed a problem with values() and values_list() queries and nullable joins. 
Previously, if we were querying across a nullable join and then a non-nullable
one, the second join would not be a LEFT OUTER join, which would exclude
certain valid results from the result set.

This is the same problem as [7597] but for values() field specifications, so
this covers the second case where Django adds extra stuff to the select-clause.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@7740 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-06-26 01:01:21 +00:00
Russell Keith-Magee b8f7b39ccc Fixed #7155 -- Corrected DateQuerySet to handle nullable fields. Thanks to fcaprioli@alice.it for the original report and patch, and to Jeremy Dunck for the test case. 
git-svn-id: http://code.djangoproject.com/svn/django/trunk@7739 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-06-25 13:38:06 +00:00
Russell Keith-Magee 57311b5998 Fixed #7256 -- Corrected queryset code to return the correct set of columns when the query has an empty values() clause as well as extra selects from an extra() clause. Thanks to Nicolas Lara for the report and patch. 
git-svn-id: http://code.djangoproject.com/svn/django/trunk@7636 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-06-15 06:24:41 +00:00
Russell Keith-Magee ed1c21171c Fixed #7366 -- Modified a few expected test outputs to remove the dependency on dictionary ordering. Thanks for the patch, Leo Soto. 
git-svn-id: http://code.djangoproject.com/svn/django/trunk@7575 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-06-06 11:47:47 +00:00
Ian Kelly 13a6fd61c6 Renamed a field in the queries test schema that was preventing the tests from running in Oracle. I've opened #7109 to address the general problem. Refs #7109 
git-svn-id: http://code.djangoproject.com/svn/django/trunk@7501 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-04-28 17:31:08 +00:00
Malcolm Tredinnick ff6e529502 Added a test to demonstrate the remaining problem in #7095. 
Only fails for MySQL (because they've made some interesting syntax choices).
Refs #7095.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@7495 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-04-28 11:51:16 +00:00
Malcolm Tredinnick e07a457c00 Fixed #7096 -- The simplifications in [7461] weren't complete. They broke 
multi-component exclude() calls. Fixed that.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@7493 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-04-28 04:29:06 +00:00
Malcolm Tredinnick 356dfd5308 Fixed #7098 -- Old-style related-model order_by() syntax was being incorrectly 
marked as erroneous. It's just more dangerous and risky, not forbidden. This
commit restores backwards compatibility there.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@7490 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-04-28 02:27:19 +00:00
Malcolm Tredinnick 9c52d56f6f Merged the queryset-refactor branch into trunk. 
This is a big internal change, but mostly backwards compatible with existing
code. Also adds a couple of new features.

Fixed #245, #1050, #1656, #1801, #2076, #2091, #2150, #2253, #2306, #2400, #2430, #2482, #2496, #2676, #2737, #2874, #2902, #2939, #3037, #3141, #3288, #3440, #3592, #3739, #4088, #4260, #4289, #4306, #4358, #4464, #4510, #4858, #5012, #5020, #5261, #5295, #5321, #5324, #5325, #5555, #5707, #5796, #5817, #5987, #6018, #6074, #6088, #6154, #6177, #6180, #6203, #6658


git-svn-id: http://code.djangoproject.com/svn/django/trunk@7477 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-04-27 02:50:16 +00:00