From: | Vaibhav Kaushal <vaibhavkaushal123(at)gmail(dot)com> |
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To: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Which file does the SELECT? |
Date: | 2010-10-10 08:28:39 |
Message-ID: | AANLkTinVPVtiFvNS7D-BLMtR_YU=26xppwKOcGcJ4i9P@mail.gmail.com |
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Thanks for the reply.
So if I am not wrong, I will have to understand the whole querying process
in detail? If it is so, then where do I start from?
-Vaibhav
On Sun, Oct 10, 2010 at 1:41 PM, Peter Eisentraut <peter_e(at)gmx(dot)net> wrote:
> On sön, 2010-10-10 at 13:32 +0530, Vaibhav Kaushal wrote:
> > I have gone through the source code a bit but I wanted to know that
> > which file contains the code that performs the final SLECTION after
> > the optimizer has created the final plan? I mean which part of the
> > executor is responsible for the SELCT to be run?
>
> That depends on what plan was chosen for the SELECT, since the executor
> is primarily organized by plan node type, independent of which statement
> caused the plan to be generated.
>
>
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