#2430: QuerySet should be evaluated when used in boolean tests
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Reporter: ubernostrum | Owner: mtredinnick
Status: reopened | Component: Database wrapper
Version: SVN | Resolution:
Keywords: | Stage: Accepted
Has_patch: 0 | Needs_docs: 0
Needs_tests: 0 | Needs_better_patch: 0
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Comment (by Michael Radziej <[EMAIL PROTECTED]>):
Well ... what you describe is actually a different from what has been
reported.
Anyway, I'd propose to turn this into a query like:
{{{
select exists(select * from ...)
}}}
Unfortunately, this might turn out to be backend specific, too. For
example, oracle doesn't like select queries without a table, IIRC. With
mysql and postgresql, the above syntax works.
--
Ticket URL: <http://code.djangoproject.com/ticket/2430#comment:5>
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