| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | "Eric Thompson" <eric(dot)thompson(at)salliemae(dot)com> |
| Cc: | pgsql-bugs(at)postgresql(dot)org |
| Subject: | Re: BUG #4721: All sub-tables incorrectly included in search plan for partitioned table |
| Date: | 2009-05-11 18:04:22 |
| Message-ID: | 7131.1242065062@sss.pgh.pa.us |
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| Lists: | pgsql-bugs pgsql-hackers |
I wrote:
> "Eric Thompson" <eric(dot)thompson(at)salliemae(dot)com> writes:
>> test=# -- remove any irrelevant constraint from the master table, and now
>> the date partitioning works
> Hmm. Tracing through this, it seems your child tables have exactly 101
> separate constraint clauses; removing one from the parent table gets it
> down to 100. Which is where the cutoff installed by this patch is:
> http://archives.postgresql.org/pgsql-committers/2008-11/msg00146.php
I've partially reverted that patch:
http://archives.postgresql.org/pgsql-committers/2009-05/msg00202.php
so the next 8.3.x release should behave as you're expecting.
regards, tom lane
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