#27442: count estimation on querysets
-------------------------------------+-------------------------------------
Reporter: Denis Cornehl | Owner: Denis
| Cornehl
Type: New feature | Status: assigned
Component: Database layer | Version: 1.10
(models, ORM) |
Severity: Normal | Resolution:
Keywords: | Triage Stage:
| Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Comment (by Simon Charette):
This has already be mentioned in #11287 and it was deemed hard to
implement such a function returning reliable results. There's multiple way
of achieving this on [https://www.citusdata.com/blog/2016/10/12/count-
performance/#dup_counts_estimated PostgreSQL alone] which makes me feel
this is somewhat application specific.
I'm -1 for adding this only for PostgreSQL and -0 if we come up with a
reliable method on all backends.
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Ticket URL: <https://code.djangoproject.com/ticket/27442#comment:1>
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