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Issue #8430
closed
Pulp raises misleading message "Package matching query does not exist"
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2. Medium
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Description
A user on pulp-list ran into this problem. Consider the case where you have a unique constraint for a Content unit that isn't part of the natural key. First, you hit this IntegrityError and Pulp assumes that there was a natural key conflict so it tries to look up the existing Content by natural key. However, since the unique constraint isn't part of the natural key, it hits a DoesNotExist and then logs "X matching query does not exist" which isn't helpful.
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Fix error for unique constraint violation
In the case where there's a unique constraint that isn't part of the natural key, using q() won't find the record. This erroneously raises a DoesNotExist exception.
fixes #8430