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Re: inheritance performance

From: Ioannis Theoharis <theohari(at)ics(dot)forth(dot)gr>
To: Greg Stark <gsstark(at)mit(dot)edu>
Cc: ken <southerland(at)samsixedd(dot)com>, pgsql-performance(at)postgresql(dot)org
Subject: Re: inheritance performance
Date: 2005-01-22 01:09:28
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-performance

On Fri, 21 Jan 2005, Greg Stark wrote:

> There's also a slight performance hit because there's an optimization that the
> planner does normally for simple queries that isn't currently done for either
> UNION ALL or inherited tables. I think it's planned to fix that soon.

Can you explain me in more details what kind of optimization is missing in
that case?

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