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| author | Anssi Kääriäinen <akaariai@gmail.com> | 2012-12-20 21:25:48 +0200 |
|---|---|---|
| committer | Anssi Kääriäinen <akaariai@gmail.com> | 2012-12-20 21:27:00 +0200 |
| commit | 3dcd435a0eb4380a3846e9c65140df480975687e (patch) | |
| tree | 95f6d265f68af8f8bd579e466d9471875ea8fef6 /django/db/models/sql/constants.py | |
| parent | c04c03daa3620dc5106740a976738ada35203ab5 (diff) | |
Fixed #19500 -- Solved a regression in join reuse
The ORM didn't reuse joins for direct foreign key traversals when using
chained filters. For example:
qs.filter(fk__somefield=1).filter(fk__somefield=2))
produced two joins.
As a bonus, reverse onetoone filters can now reuse joins correctly
The regression was caused by the join() method refactor in commit
68847135bc9acb2c51c2d36797d0a85395f0cd35
Thanks for Simon Charette for spotting some issues with the first draft
of the patch.
Diffstat (limited to 'django/db/models/sql/constants.py')
| -rw-r--r-- | django/db/models/sql/constants.py | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/django/db/models/sql/constants.py b/django/db/models/sql/constants.py index 1c34f70169..9f82f426ed 100644 --- a/django/db/models/sql/constants.py +++ b/django/db/models/sql/constants.py @@ -44,6 +44,3 @@ ORDER_DIR = { 'ASC': ('ASC', 'DESC'), 'DESC': ('DESC', 'ASC'), } - -# A marker for join-reusability. -REUSE_ALL = object() |