Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1n03lS-000307-Tu for pgsql-hackers@arkaria.postgresql.org; Wed, 22 Dec 2021 15:42:50 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1n03lR-0006Nf-QD for pgsql-hackers@arkaria.postgresql.org; Wed, 22 Dec 2021 15:42:49 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1n03lR-0006NV-GL for pgsql-hackers@lists.postgresql.org; Wed, 22 Dec 2021 15:42:49 +0000 Received: from sss.pgh.pa.us ([66.207.139.130]) by magus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1n03lP-0002Iw-6w for pgsql-hackers@lists.postgresql.org; Wed, 22 Dec 2021 15:42:49 +0000 Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1]) by sss.pgh.pa.us (8.15.2/8.15.2) with ESMTP id 1BMFgiee242721; Wed, 22 Dec 2021 10:42:45 -0500 From: Tom Lane To: Andrey Lepikhov cc: pgsql-hackers@lists.postgresql.org Subject: Re: Clarifying/rationalizing Vars' varno/varattno/varnoold/varoattno In-reply-to: <36b509ec-2b71-c1d0-d726-f3e15cbf85b2@postgrespro.ru> References: <15848.1576515643@sss.pgh.pa.us> <26144.1576858373@sss.pgh.pa.us> <25142.1580847861@sss.pgh.pa.us> <36b509ec-2b71-c1d0-d726-f3e15cbf85b2@postgrespro.ru> Comments: In-reply-to Andrey Lepikhov message dated "Wed, 22 Dec 2021 18:17:35 +0500" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <242719.1640187764.1@sss.pgh.pa.us> Date: Wed, 22 Dec 2021 10:42:44 -0500 Message-ID: <242720.1640187764@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk Andrey Lepikhov writes: > On 5/2/2020 01:24, Tom Lane wrote: >> I've not written any actual code, but am close to being ready to. > This thread gives us hope to get started on solving some of the basic > planner problems. > But there is no activity for a long time, as I see. Have You tried to > implement this idea? Is it actual now? It's been on the back burner for awhile :-(. I've not forgotten about it though. regards, tom lane