#17339: [nonrel] Factor out has_result into database backend
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Reporter: jonash | Owner: nobody
Type: New feature | Status: new
Component: Database layer | Version: SVN
(models, ORM) | Resolution:
Severity: Normal | Triage Stage: Accepted
Keywords: nonrel | Needs documentation: 0
Has patch: 1 | Patch needs improvement: 0
Needs tests: 0 | UI/UX: 0
Easy pickings: 0 |
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Comment (by wkornewald):
The reason why I only moved two lines to the compiler is that all the
other operations are DB independent optimizations. The selected fields and
query ordering etc need to be cleared on NoSQL, too. Only the extra mask
is a SQL specific optimization and other DBs might use some other trick.
Anyway,it would be easy to change the patch to also allow for overriding
the other operations, but we should keep the current separation between
extra mask and general optimizations because all nonrel backends only
override the extra mask code and they shouldn't have to reimplement the
general optimizations unnecessarily.
--
Ticket URL: <https://code.djangoproject.com/ticket/17339#comment:5>
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