Re: 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: PoC: full merge join on comparison clause
Date: 2017-10-04 13:08:41
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As discussed earlier, I changed the way we work with mergeopfamilies. I
use the "is_equality" flag to indicate whether the clause is an equality
one, and fill mergeopfamilies for both equality and inequality operators.
The updated patch is attached (rebased to 20b6552242).

Alexander Kuzmenkov
Postgres Professional:
The Russian Postgres Company

Attachment Content-Type Size
full-merge-join-v4.patch text/x-patch 43.0 KB

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