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Re: how to skip building certain paths in path tree - Mailing list pgsql-hackers

From	Atri Sharma
Subject	Re: how to skip building certain paths in path tree
Date	July 22, 2014 05:27:07
Msg-id	CAOeZVifbyVLNAhrbp5r_UaYzE7Ty6xwkWCJz_PTY-KA6k4gepQ@mail.gmail.com Whole thread
In response to	how to skip building certain paths in path tree (Rajmohan C <csrajmohan@gmail.com>)
List	pgsql-hackers

On Tue, Jul 22, 2014 at 10:53 AM, Rajmohan C <csrajmohan@gmail.com> wrote:

How do I modify PostgreSQL 9.3 source to skip certain join combinations (skip building certain paths in path tree) by checking some condition

have a look at joinpaths.c

From: Rajmohan C
Date: 22 July 2014, 05:23:51
Subject: how to skip building certain paths in path tree

From: Jeff Davis
Date: 22 July 2014, 05:58:32
Subject: Re: Request for Patch Feedback: Lag & Lead Window Functions Can Ignore Nulls