#28312: ModelChoiceIterator uses cached length of queryset.
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Reporter: Sjoerd Job Postmus | Owner: François
| Freitag
Type: Bug | Status: closed
Component: Forms | Version: 1.8
Severity: Normal | Resolution: fixed
Keywords: | Triage Stage: Accepted
Has patch: 1 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Comment (by Tim Graham <timograham@…>):
In [changeset:"d1413c5d703c60dfb9e2a418c79b3e4aed32ffac" d1413c5]:
{{{
#!CommitTicketReference repository=""
revision="d1413c5d703c60dfb9e2a418c79b3e4aed32ffac"
Refs #28312 -- Added an optimized __bool__() to ModelChoiceIterator.
COUNT is more expensive than EXISTS; use the latter when possible.
}}}
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Ticket URL: <https://code.djangoproject.com/ticket/28312#comment:11>
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