Re: Optimizer issue -- bad query plan?

From: Moshe Jacobson <moshe(at)neadwerx(dot)com>
To: David G Johnston <david(dot)g(dot)johnston(at)gmail(dot)com>
Cc: pgsql-general <pgsql-general(at)postgresql(dot)org>
Subject: Re: Optimizer issue -- bad query plan?
Date: 2014-06-05 22:54:43
Message-ID: CAJ4CxL=7b-AdkAQXDQHhKQ6yENfEoS+3YFDs7M+PQ2TAODaRPw@mail.gmail.com
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On Thu, Jun 5, 2014 at 6:38 PM, David G Johnston <david(dot)g(dot)johnston(at)gmail(dot)com
> wrote:

> Without definitions of all the tables involved, as well as knowing what
> version you are running this query on, it is impossible to explain why.
>

I'm running 9.3.4.

https://wiki.postgresql.org/wiki/What's_new_in_PostgreSQL_9.0
> Read the section named "Join Removal".
>

Right, I'm aware of this feature -- I'm just curious why it's not working!

Moshe Jacobson
Manager of Systems Engineering, Nead Werx Inc. <http://www.neadwerx.com>
2323 Cumberland Parkway · Suite 201 · Atlanta, GA 30339

"Quality is not an act, it is a habit." -- Aristotle

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