Re: Removing Inner Joins
От | Atri Sharma |
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Тема | Re: Removing Inner Joins |
Дата | |
Msg-id | CAOeZVif1-XTKjaoRPhvFJprUdaXXb0u78VH3yNRPXOA+wHcd6g@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: Removing Inner Joins (Ashutosh Bapat <ashutosh.bapat@enterprisedb.com>) |
Ответы |
Re: Removing Inner Joins
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Список | pgsql-hackers |
On Wed, Jul 10, 2013 at 8:29 AM, Ashutosh Bapat <ashutosh.bapat@enterprisedb.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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