#34728: OR operator on queryset does not work as expected
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Reporter: | Owner: nobody
Inglorious-Inge |
Type: Bug | Status: new
Component: Database | Version: 4.2
layer (models, ORM) |
Severity: Normal | Keywords: queryset OR
Triage Stage: | Has patch: 0
Unreviewed |
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
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I try to combine two querysets using the {{{|}}} operator. Even though one
of the querysets isn't empty, the resulting queryset is empty.
Example:
{{{similar_recipes = at_least_four_shared_ingredients |
same_tag_and_at_least_two_shared_ingredients}}}
{{{same_tag_and_at_least_two_shared_ingredients}}} contains entries but
{{{similar_recipes}}} doesn't.
You can reproduce the problem here: https://github.com/Inglorious-
Inge/Kochbuch2/tree/queryset_problem
The test in {{{recipes/tests/test_models.py}}} is failing.
The code under test is in {{{recipes/models.py}}} line 30-45.
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Ticket URL: <https://code.djangoproject.com/ticket/34728>
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