Re: HOT patch, missing things

From: "Pavan Deolasee" <pavan(dot)deolasee(at)gmail(dot)com>
To: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: "Gregory Stark" <stark(at)enterprisedb(dot)com>, "Heikki Linnakangas" <heikki(at)enterprisedb(dot)com>, "Pavan Deolasee" <pavan(at)enterprisedb(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: HOT patch, missing things
Date: 2007-08-14 07:44:42
Message-ID: 2e78013d0708140044u1efe7ac7hb46df3c90262cc0d@mail.gmail.com
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On 8/9/07, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
>
>
> Yeah, we could simply insist on no change to any column that's used by
> any of the expressions. That would be cheap to test.
>
>
>
I am trying to figure out the best way to extract this information. Is there
any
existing code to get all attributes used in the expressions ? Or do I need
to walk the tree and extract that information ?

Thanks,
Pavan

Pavan Deolasee
EnterpriseDB http://www.enterprisedb.com

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