I wrote:
> "Eric Thompson" <eric.thompson@salliemae.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