#11722: Query lookups that reference an F() expression produce invalid sql
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Reporter: plandry@… | Owner:
Type: Bug | Status: new
Component: Database layer | Version: master
(models, ORM) | Resolution:
Severity: Normal | Triage Stage: Accepted
Keywords: F() expression | Needs documentation: 0
query sql | Patch needs improvement: 1
Has patch: 1 | UI/UX: 0
Needs tests: 1 |
Easy pickings: 0 |
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Comment (by mumino):
invalid sql generation happens for iendswith, istartswith, icontains,
iexact for postgreql. similar problems arise in SQLite. I think other
backends have same problem too.
this pull request has a fix. https://github.com/django/django/pull/1945
on the other hand, F objects has another issue related with here.
https://code.djangoproject.com/ticket/16731
because of it istartswith, icontains, iendswith still don't produce
correct SQL. but they produce valid SQL now.
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Ticket URL: <https://code.djangoproject.com/ticket/11722#comment:18>
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