| From: | Atri Sharma <atri(dot)jiit(at)gmail(dot)com> |
|---|---|
| To: | Ashutosh Bapat <ashutosh(dot)bapat(at)enterprisedb(dot)com> |
| Cc: | Peter Geoghegan <pg(at)heroku(dot)com>, Andres Freund <andres(at)2ndquadrant(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Removing Inner Joins |
| Date: | 2013-07-10 05:28:40 |
| Message-ID: | CAOeZVif1-XTKjaoRPhvFJprUdaXXb0u78VH3yNRPXOA+wHcd6g@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Jul 10, 2013 at 8:29 AM, Ashutosh Bapat
<ashutosh(dot)bapat(at)enterprisedb(dot)com> wrote:
> AFAIK,
> There is code to remove the redundant relations (joins too are relations).
> But I don't remember exactly where it is. Start looking at query_planner().
> The removal of relations should happen before actually planning the joins.
>
>
Thanks for your reply.
I am not sure if the part you mentioned is inline with the case I am
talking about. The specific case I mentioned does not seem to have
been implemented yet, and I was researching the roadblocks to it,
hence asked on the list.
Thanks and Regards,
Atri
--
Regards,
Atri
l'apprenant
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