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From: Josh Berkus <josh@agliodbs.com>
To: pgsql-performance@postgresql.org
Subject: Re: table contraints checks only happen in planner phase
Date: Fri, 01 Apr 2011 10:32:24 -0700
Message-ID: <4D960C28.9020401@agliodbs.com> (raw)
In-Reply-To: <in36uv$24hs$2@news.hub.org>
References: <in36uv$24hs$2@news.hub.org>

On 3/31/11 5:41 PM, Joseph Shraibman wrote:
> Is there a reason that when executing queries the table constraints are
> only checked during planning and not execution?  I end up making 2 round
> trips to the database to get around this.

This is a limitation with our current partitioning implementation.  It
only understands literal values, not JOINs.

-- 
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com



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