Re: Road map to study about fetching a set of tuples - novice!

From: Atri Sharma <atri(dot)jiit(at)gmail(dot)com>
To: Soroosh Sardari <soroosh(dot)sardari(at)gmail(dot)com>
Cc: PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Road map to study about fetching a set of tuples - novice!
Date: 2013-05-18 14:40:36
Message-ID: C8C762D6-9CE4-49FD-BFFD-D1AD2859E4E6@gmail.com
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Sent from my iPad

On 18-May-2013, at 20:01, Soroosh Sardari <soroosh(dot)sardari(at)gmail(dot)com> wrote:

> Hi
>
> I was tracing a simple SELECT query to find how pg works for fetching tuples.
> but I'm totally lost in the code.
> Could you help me to understand under the hood?
> I know about parsing and planning parts, my actual problem is executer.
> If you show me a road map to study, I would appreciate it.
>
>

You can probably try:

http://git.postgresql.org/gitweb/?p=postgresql.git;a=blob;f=src/backend/executor/README;h=8afa1e3e4a7596475cbf19a76c88d48a04aeef02;hb=HEAD

Regards,

Atri

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