Re: [HACKERS] PoC: full merge join on comparison clause

From: Alexander Kuzmenkov <a(dot)kuzmenkov(at)postgrespro(dot)ru>
To: Ashutosh Bapat <ashutosh(dot)bapat(at)enterprisedb(dot)com>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Jeff Davis <pgsql(at)j-davis(dot)com>
Subject: Re: [HACKERS] PoC: full merge join on comparison clause
Date: 2018-03-02 14:32:32
Message-ID: 8c762bb0-1507-5ac1-b408-b942416416bf@postgrespro.ru
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On 22.02.2018 21:42, Alexander Kuzmenkov wrote:
>
> Some basic joins work, but I couldn't properly test all the corner
> cases with different orderings, because they depend on a bug in
> vanilla merge joins [1].
>

The bug was fixed, so here is the rebased patch. The planner part of the
patch is stable now and can be reviewed, too.

--
Alexander Kuzmenkov
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company

Attachment Content-Type Size
ineq-merge-join-v8-01-main.patch text/x-patch 42.2 KB
ineq-merge-join-v8-00-prep.patch text/x-patch 22.0 KB

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