Re: Expression Evaluator used for creating the plan tree / stmt ?

From: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
To: Vaibhav Kaushal <vaibhavkaushal123(at)gmail(dot)com>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Expression Evaluator used for creating the plan tree / stmt ?
Date: 2011-05-25 14:58:41
Message-ID: 1306335412-sup-3884@alvh.no-ip.org
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Excerpts from Vaibhav Kaushal's message of mié may 25 05:52:32 -0400 2011:

> If the above is confusing, I just want to ask: "Is expression evaluator,
> even in part responsible for {PLANNEDSTMT creation?"

Yeah, as far as I understood Tom's talk, the expr evaluator is used to
reduce some expressions to constants and such.

--
Álvaro Herrera <alvherre(at)commandprompt(dot)com>
The PostgreSQL Company - Command Prompt, Inc.
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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