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 1u1UY5-003IGZ-9A for pgsql-hackers@arkaria.postgresql.org; Sun, 06 Apr 2025 18:16:49 +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 1u1UY3-000PE9-Nr for pgsql-hackers@arkaria.postgresql.org; Sun, 06 Apr 2025 18:16:48 +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 1u1UY3-000PBq-E1 for pgsql-hackers@lists.postgresql.org; Sun, 06 Apr 2025 18:16:47 +0000 Received: from 003.mia.mailroute.net ([199.89.3.6]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1u1UY1-003lLT-1j for pgsql-hackers@postgresql.org; Sun, 06 Apr 2025 18:16:47 +0000 Received: from localhost (localhost [127.0.0.1]) by 003.mia.mailroute.net (Postfix) with ESMTP id 4ZW0sl2jZwzlvBXY; Sun, 6 Apr 2025 18:16:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=acm.org; h= content-transfer-encoding:content-type:content-type:in-reply-to :mime-version:user-agent:date:date:message-id:from:from :references:subject:subject:received:received; s=mr01; t= 1743963402; x=1746555403; bh=ZQpvCTPbrxjKhMF9P+WPGqsN+NdkTaEo+mk bW0hdaqg=; b=4l8yEbTC/3T1L8Sqc8jLwL9OLLZ9dUrVr/UuZOd/HRs40+YVCqH 88XOP1DOyrzieSs0hh1UiTJjR8KAvYFK7dkiLN5ooDp7YKH3nx9nScBvYbmoFRcv 8s0XhtvBQY97+cEaThhS2JOd1VrWmvQmQyr35v5tjV6opDmuej3tm5R+d/iaEA8u +w0kCgh28DBQcYXaU+snORqFiwCqdI29gtO9AxPA4lsIATuwKN6qAEKWxQRoEVMa 5+4HCVbiiCnHIG52NOqbOxBICRWg0YeEQUmK90/BXW4eP12UJRseodxEE9dpeOj8 1bfvA2Lj0eviDoFWiRRQTgga3szlkcc6E4g== X-Virus-Scanned: by MailRoute Received: from 003.mia.mailroute.net ([127.0.0.1]) by localhost (003.mia [127.0.0.1]) (mroute_mailscanner, port 10029) with LMTP id bG-c-1xiuqyx; Sun, 6 Apr 2025 18:16:42 +0000 (UTC) Received: from [73.103.120.3] (c-73-103-120-3.hsd1.in.comcast.net [73.103.120.3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: jcflack@acm.org) by 003.mia.mailroute.net (Postfix) with ESMTPSA id 4ZW0sj26mkzlgqVg; Sun, 6 Apr 2025 18:16:39 +0000 (UTC) Subject: Re: FmgrInfo allocation patterns (and PL handling as staged programming) To: Tom Lane References: <67F2B767.9040507@acm.org> <2965818.1743960827@sss.pgh.pa.us> <2968353.1743962392@sss.pgh.pa.us> Cc: PostgreSQL Hackers From: Chapman Flack Message-ID: <67F2C506.2040703@acm.org> Date: Sun, 6 Apr 2025 14:16:38 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.0 MIME-Version: 1.0 In-Reply-To: <2968353.1743962392@sss.pgh.pa.us> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On 04/06/25 13:59, Tom Lane wrote: > polymorphic arguments: the element type of an anyarray argument can > change on-the-fly from one call to the next in the same query. Yuck! I had not guessed that. Regards, -Chap