Re: Which file does the SELECT? - Mailing list pgsql-hackers

From Vaibhav Kaushal
Subject Re: Which file does the SELECT?
Date
Msg-id AANLkTinVPVtiFvNS7D-BLMtR_YU=26xppwKOcGcJ4i9P@mail.gmail.com
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In response to Re: Which file does the SELECT?  (Peter Eisentraut <peter_e@gmx.net>)
Responses Re: Which file does the SELECT?
Re: Which file does the SELECT?
Re: Which file does the SELECT?
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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@gmx.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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