Re: Some information about the small portion of source code of postgreSQL

From: Ashutosh Bapat <ashutosh(dot)bapat(at)enterprisedb(dot)com>
To: davinder singh <davindersingh2692(at)gmail(dot)com>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Some information about the small portion of source code of postgreSQL
Date: 2016-09-28 04:30:04
Message-ID: CAFjFpRcjuFagSyHV3r9cFCKuoud4R2-ARaFuUqrHZJR+bYvWCg@mail.gmail.com
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This mail looks exactly same as that from Shrinivas. Please check answers there.

On Tue, Sep 27, 2016 at 11:32 AM, davinder singh
<davindersingh2692(at)gmail(dot)com> wrote:
> Hi,
> I am working in optimizer module of postgreSQL 9.4.1. My project is
> concerned with the plan returned by the optimizer.
>
> I am trying to return a subplan for a query instead of full plan. For this I
> need to return a path form RelOptInfo *standard_join_search() at allpaths.c
> other than from last level of root->join_rel_level().
> while doing so I am getting error :variable not found in subplan target
> lists at function fix_join_expr_mutator at setrefs.c.
>
> It will be great if you can give me some idea about why this error is
> happening,since this error is happening at above function, Please give me
> more information about that portion of code. Also I want to know for what
> targetlist stands for.
>
>
> Thanks,
> Davinder Singh

--
Best Wishes,
Ashutosh Bapat
EnterpriseDB Corporation
The Postgres Database Company

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