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336 Commits

Author SHA1 Message Date
Malcolm Tredinnick
6df9e25b61 queryset-refactor: Merged from trunk up to [7280] 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@7281 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-03-18 05:45:37 +00:00
Malcolm Tredinnick
93baa3e417 queryset-refactor: Optimised some internal data structures in sql/query.py. 
Mostly this involves changing them to a "copy on write" implementation, which
speeds up cloning (and the relevant structures aren't updated very frequently).


git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@7247 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-03-15 09:13:22 +00:00
Malcolm Tredinnick
f3ed30f377 queryset-refactor: Infinite loop detection in model ordering was being a little 
too aggressive. Fixed that.


git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@7224 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-03-11 08:23:51 +00:00
Malcolm Tredinnick
3176bebffd queryset-refactor: Reorganised Model.save() to differentiate between public and private parameters. Refs #6741. 
This means subclasses can override save() without needing to worry about
passing around the internal parameters (an issue for subclassable models, which
would have meant every model, since you don't know when somebody will subclass
your model).

Slightly backwards incompatible, since it moves "raw" back to being part of the
internal API (it's only needed by the serializer and was intended to be
internal use only). If external code really needs this, they can call
Model.save_base() and pass in raw there.


git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@7221 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-03-11 05:36:10 +00:00
Malcolm Tredinnick
619576002d queyrset-refactor: Added error reporting if somebody tries to order by a multi-valued field. 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@7220 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-03-11 05:21:50 +00:00
Malcolm Tredinnick
62bdb6eae8 queryset-refactor: Merged from trunk up to [7216]. 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@7219 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-03-11 03:15:07 +00:00
Malcolm Tredinnick
f2f933450f queryset-refactor: Reworked exclude() handling to fix a few merging problems. 
Fixed #6704.


git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@7217 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-03-11 01:15:15 +00:00
Malcolm Tredinnick
fa11a6a128 queryset-refactor: Fixed a problem in the test-suite that was annoying. 
Only fails on PostgreSQL and only fails on the next test.

Also identified the other area that causes both PostgreSQL backends (only) to
fail. Don't really understand why at the moment, but this is the culprit.
Tricky to reproduce, too, you have to run "queries" and "views" together, in
that order to see it.


git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@7174 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-02-28 17:53:00 +00:00
Malcolm Tredinnick
2f2908d7b5 queryset-refactor: Merged from trunk up to [7168]. 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@7173 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-02-28 15:48:19 +00:00
Malcolm Tredinnick
33a0862215 queryset-refactor: Fixed exclude() filtering for the various N-to-many relations. 
This means we can now do nested SQL queries (since we need nested queries to
get the right answer). It requires poking directly at the Query class. Might
add support for this through QuerySets later.


git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@7170 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-02-28 12:57:10 +00:00
Malcolm Tredinnick
014373b459 queryset-refactor: Fixed #6664. Calling list() no longer swallows field errors. 
This is slightly backwards incompatible with previous behaviour if you were
doing Tricky Stuff(tm) -- the exception type has changed if you try to create a
bad queryset.


git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@7163 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-02-27 00:44:44 +00:00
Malcolm Tredinnick
3691613093 queryset-refactor: Added a test to show that #6180 is fixed. Refs #6180. 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@7154 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-02-25 06:17:16 +00:00
Malcolm Tredinnick
bdeba9ab94 queryset-refactor: Merged from trunk up to [7151]. 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@7152 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-02-23 09:26:11 +00:00
Malcolm Tredinnick
6ad9c684aa queryset-refactor: Implemented the reverse() method on querysets. 
Refs #5012.


git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@7148 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-02-23 01:35:34 +00:00
Malcolm Tredinnick
3dd28bd566 queryset-refactor: Merged from turnk up to [7135] because I need some stuff. 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@7136 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-02-20 01:59:59 +00:00
Malcolm Tredinnick
2d0588548e queryset-refactor: Merged from trunk up to [7122]. 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@7124 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-02-16 06:57:52 +00:00
Malcolm Tredinnick
748e1bdf42 queryset-refactor: Merged from trunk up to [7098] (because I need the last 
commit on this branch).


git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@7099 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-02-08 12:23:34 +00:00
Malcolm Tredinnick
accc20d799 queryset-refactor: Fixed up OneToOneFields (mostly). 
They now share as much code as possible with ForeignKeys, but behave more or
less as they did before (the backwards incompatible change is that they are no
longer automatically primary keys -- so more than one per model is permitted).

The documentation still uses an example that is better suited to model
inheritance, but that will change in due course. Also, the admin interface
still shows them as read-only fields, which is probably wrong now, but that can
change on newforms-admin after this branch is merged into trunk.


git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@7096 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-02-08 09:49:17 +00:00
Malcolm Tredinnick
0a9b751958 queryset-refactor: Merged changes from trunk up to [7085]. 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@7086 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-02-04 05:45:17 +00:00
Malcolm Tredinnick
a214c6b86a queryset-refactor: Added some error checking for a potential crasher if model ordering is set up in a cycle somehow. The error reporting here isn't perfect (it doesn't give any hints about what the infinite loop might be), but it's better than nothing. 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@7046 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-01-28 16:08:34 +00:00
Malcolm Tredinnick
dd2251a653 queryset-refactor: Converted the queryset iterator to be a real iterator and 
only populate the result cache on demand. We actually populate the result cache
100 elements at a time, rather than one at a time for efficiency, but this is a
real win when the resultset contains 10,000 objects for example.

This also provides an efficient boolean (__nonzero__) test that doesn't use up
a lot of memory if you don't read all the results.

Refs #2430, #5987.


git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@7030 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-01-26 13:23:54 +00:00
Malcolm Tredinnick
98abf27535 queryset-refactor: Merged from trunk up to [7025]. 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@7029 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-01-26 13:23:25 +00:00
Malcolm Tredinnick
83cb2218bc queryset-refactor: Merged from trunk up to [7002]. 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@7004 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2008-01-09 06:08:40 +00:00
Malcolm Tredinnick
b824d803ce queryset-refactor: Added a couple of tests to demonstrate table handling in order_by() situations. One is known to fail (and commented out for now). 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6968 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2007-12-22 11:16:21 +00:00
Malcolm Tredinnick
e247b36447 queryset-refactor: Work around the fact that "where id is NULL" can return different results in different circumstances in MySQL(!!). 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6967 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2007-12-22 11:16:04 +00:00
Malcolm Tredinnick
f47cfe12ae queryset-refactor: Tweaked one test slightly to work around a PostgreSQL oddity. 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6962 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2007-12-19 13:43:16 +00:00
Malcolm Tredinnick
7292cc8d60 queryset-refactor: Reverted [6762] because it generates invalid SQL. It only worked accidentally with SQLite. 
Refs #4002.


git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6961 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2007-12-19 13:06:45 +00:00
Malcolm Tredinnick
470ddafe97 queryset-refactor: Made qs.dates(...).count() work. 
This involved a slight change in the SQL for .dates() which appears to be
correct and passes all the tests, but may have some side-effect I don't know
about.

Refs #6203.


git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6959 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2007-12-19 12:23:59 +00:00
Malcolm Tredinnick
18adbb6363 queryset-refactor: Fixed the way join promotions are done when joining queries (particularly the disjunctive -- 'OR' -- case). This fixes a FIXME and produces better queries. 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6958 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2007-12-19 10:58:26 +00:00
Malcolm Tredinnick
519178154b queryset-refactor: Fixed a problem when adding certain additional filters to a queryset that has precisely one filter attached already. 
Refs #6154.


git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6957 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2007-12-19 10:57:54 +00:00
Malcolm Tredinnick
97091940b1 queryset-refactor: Merged from trunk up to [6953]. 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6954 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2007-12-19 05:08:37 +00:00
Malcolm Tredinnick
13d3162aaf queryset-refactor: Added a test to show that various Q() combinations work when the same field with different lookup types are combined. Refs #4289. 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6901 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2007-12-09 08:01:26 +00:00
Malcolm Tredinnick
3dce17ddc4 queryset-refactor: Fixed a couple of differences between trunk and this branch that were caused by merge errors. 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6896 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2007-12-05 09:40:16 +00:00
Malcolm Tredinnick
57a4b882ae queryset-refactor: Fixed query disjunctions. 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6867 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2007-12-03 21:10:51 +00:00
Malcolm Tredinnick
7b9732a4a4 queryset-refactor: Added a test for #6074 so that it gets fixed. 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6859 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2007-12-03 03:31:18 +00:00
Malcolm Tredinnick
2c5373c325 queryset-refactor: Changed maxlength to max_length in a couple of tets. Silences some deprecation warnings. 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6858 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2007-12-03 03:00:03 +00:00
Malcolm Tredinnick
07ddd56872 queryset-refactor: Merged from trunk up to [6856]. 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6857 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2007-12-03 02:59:56 +00:00
Malcolm Tredinnick
79653a4148 queryset-refactor: Implemented filtering by output columns specified in 
extra(select=...). Refs #4002.


git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6762 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2007-11-30 04:44:32 +00:00
Malcolm Tredinnick
a2418176fd queryset-refactor: Interpret qs.filter(foo=None) to be the same as qs.filter(foo__isnull=True). Refs #2737. 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6760 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2007-11-30 02:29:25 +00:00
Malcolm Tredinnick
dfe05d94b8 queryset-refactor: Merged from trunk up to [6752]. 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6753 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2007-11-29 20:38:41 +00:00
Malcolm Tredinnick
b43a018032 queryset-refactor: Optimisation pass. The test suite is now within 2% of trunk and it's a fairly pathological case. Introduces a couple of test failures due to some simplification in the code. They'll be fixed later. 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6730 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2007-11-29 04:56:09 +00:00
Malcolm Tredinnick
a97abcffc2 queryset-refactor: Merged from trunk up to [6724]. 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6726 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2007-11-28 21:51:17 +00:00
Malcolm Tredinnick
3d07f94d68 queryset-refactor: Merged from trunk up to [6689]. 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6690 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2007-11-18 05:48:24 +00:00
Malcolm Tredinnick
44df4e390f queryset-refactor: Merged from trunk up to [6635]. 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6638 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2007-11-03 02:16:27 +00:00
Malcolm Tredinnick
f189280eb3 queryset-refactor: Merged from trunk up to [6623]. 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6637 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2007-11-03 02:15:27 +00:00
Malcolm Tredinnick
f951d97d99 queryset-refactor: Added the ability to apply parameters to the select 
fragments in QuerySet.extra(). Refs #2902


git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6603 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2007-10-24 04:22:23 +00:00
Malcolm Tredinnick
abcb70e524 queryset-refactor: Added a convenience all() method to Querysets. Refs #3739 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6600 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2007-10-23 13:49:07 +00:00
Malcolm Tredinnick
5e1a54a3a8 queryset-refactor: Merged from trunk up to [6595]. 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6597 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2007-10-23 12:51:22 +00:00
Malcolm Tredinnick
8c10e0d00e queryset-refactor: Fixed a possibility of shooting oneself in the foot and 
creating infinite recursion with select_related(). Refs #3045, #3288.


git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6521 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2007-10-15 05:51:19 +00:00
Malcolm Tredinnick
44d51dae68 queryset-refactor: Added a test to show that #5261 is no longer a problem. Refs #5261. 
git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6519 bcc190cf-cafb-0310-a4f2-bffc1f526a37
 2007-10-15 03:47:10 +00:00