Marti Raudsepp <ma...@juffo.org> writes:
> This bug isn't causing me any immediate problems -- the plan works out
> well regardless -- but PostgreSQL 8.4.7 is somehow overestimating the
> number of rows coming from a nestloop join, when joining 2 large
> partitioned tables.
This sounds familiar, but a quick trawl through the commit logs didn't
immediately turn up any related-looking patches. Can you put together
a self-contained test case?
Also, what do you have constraint_exclusion set to?
regards, tom lane
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