#35300: Simple COUNT without OUTER JOIN
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Reporter: Chrea | Owner: nobody
Chanchhunneng |
Type: New | Status: new
feature |
Component: | Version: 4.2
Uncategorized | Keywords: reduce counting
Severity: Normal | time,
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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as in django query, we support `Count() in db.model` and
`queryset.count()`. But the problem are `Count()` creates the `LEFT OUTER
JOIN` and `queryset.count()` does not support `OuterRef("pk")`.
I hope there is a way to just simply count without `LEFT OUTER JOIN` to
reduce the query time.
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Ticket URL: <https://code.djangoproject.com/ticket/35300>
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