#13710: raw() sql bug when using joins
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Reporter: Renskers | Owner: nobody
Status: new | Milestone:
Component: Database layer (models, ORM) | Version: 1.2
Resolution: | Keywords: raw sql
joins
Stage: Unreviewed | Has_patch: 0
Needs_docs: 0 | Needs_tests: 0
Needs_better_patch: 0 |
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Changes (by Renskers):
* needs_better_patch: => 0
* needs_tests: => 0
* needs_docs: => 0
Comment:
I found the source of the problem. My model has a lot of fields, and most
of them have long, verbose names.
The error is caused in django/db/models/query_utils.py, on line 267:
name = "%s_Deferred_%s" % (model.__name__, '_'.join(sorted(list(attrs))))
This results in a *very* long string, which cannot be handled, or so it
seems.
When I change this line to something like this, it does work:
name = "%s_Deferred_%s" % (model.__name__, '_lala')
It's weird that this problem only presents itself when you don't use
model.*. When using model.* in the raw query, everything works fine.
This also fixes bug #13712.
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Ticket URL: <http://code.djangoproject.com/ticket/13710#comment:1>
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