Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1scGKv-005Ql1-GL for pgsql-bugs@arkaria.postgresql.org; Fri, 09 Aug 2024 03:30:41 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.94.2) (envelope-from ) id 1scGKt-000ksQ-Rq for pgsql-bugs@arkaria.postgresql.org; Fri, 09 Aug 2024 03:30:39 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1scGKt-000ksI-Iw for pgsql-bugs@lists.postgresql.org; Fri, 09 Aug 2024 03:30:39 +0000 Received: from sss.pgh.pa.us ([68.162.161.243]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1scGKq-003tvd-WF for pgsql-bugs@lists.postgresql.org; Fri, 09 Aug 2024 03:30:38 +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 4793UYm32548862; Thu, 8 Aug 2024 23:30:34 -0400 From: Tom Lane To: Richard Guo cc: vasiliy.boytsov@gmail.com, pgsql-bugs@lists.postgresql.org Subject: Re: BUG #18576: Using EXPLAIN (VERBOSE) in information_schema.element_types returns ERROR: failed to find plan for In-reply-to: References: <18576-9feac34e132fea9e@postgresql.org> <2336091.1723137115@sss.pgh.pa.us> <2493069.1723149304@sss.pgh.pa.us> Comments: In-reply-to Richard Guo message dated "Fri, 09 Aug 2024 11:25:31 +0800" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <2548860.1723174234.1@sss.pgh.pa.us> Date: Thu, 08 Aug 2024 23:30:34 -0400 Message-ID: <2548861.1723174234@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk Richard Guo writes: > Agreed. Do you think it would be helpful to add some assertions to > verify the plan type? I thought about that but didn't experiment with it. I wonder whether it'd just make the code more fragile. Still, it might be useful to verify that things are happening as we expect. regards, tom lane