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: 2017-10-30 12:25:50
Message-ID: 715cb811-4538-9967-a2e3-ca85f2711d80@postgrespro.ru
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Hi,

I am attaching the updated patch, rebased to 820c03.

On 09.10.2017 13:47, Ashutosh Bapat wrote:
> Hi Alexander,
> Commit c7a9fa399 has added another test on mergeopfamilies. I think
> your patch will need to take care of that test.
>
> On Wed, Oct 4, 2017 at 6:38 PM, Alexander Kuzmenkov
> <a(dot)kuzmenkov(at)postgrespro(dot)ru> wrote:
>> 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: http://www.postgrespro.com
>> The Russian Postgres Company
>>
>
>

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

Attachment Content-Type Size
full-merge-join-v5.patch text/x-patch 46.0 KB

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