#25701: Add warning to an admin list_view if too many queries are being used
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Reporter: jacinda | Owner: nobody
Type: New feature | Status: new
Component: contrib.admin | Version:
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Easy pickings: 0 | UI/UX: 0
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If you use a related field in a callable, and then use that callable in
list_display, Django doesn't currently have a way to automatically detect
that select_related should be used and performs a query for every row in
the list.
While it might be possible to do this automatically, a quick way to help
with this problem would be to warn a developer with something like
django.contrib.messages (if enabled) that a list_view is performing O(n)
queries and that they should investigate this as a potential performance
issue.
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Ticket URL: <https://code.djangoproject.com/ticket/25701>
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