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 4.96) (envelope-from ) id 1wJ2Xd-0000xj-2o for pgsql-hackers@arkaria.postgresql.org; Sat, 02 May 2026 05:05:25 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1wJ21U-0002VK-29 for pgsql-hackers@arkaria.postgresql.org; Sat, 02 May 2026 04:32:12 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1wJ21U-0002UZ-0g for pgsql-hackers@lists.postgresql.org; Sat, 02 May 2026 04:32:12 +0000 Received: from meldrar.postgresql.org ([2a02:c0:301:0:ffff::31]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1wJ1nS-00000003nlU-3KeO for pgsql-hackers@postgresql.org; Sat, 02 May 2026 04:17:44 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=postgresql.org; s=20171124; h=Content-Transfer-Encoding:Content-Type: Mime-Version:References:In-Reply-To:From:Subject:Cc:To:Message-Id:Date:Sender :Reply-To:Content-ID:Content-Description; bh=Hs2snesucQ/8UXp+LWV7HM4vTVqFMSL+eLdrmDVJDAw=; b=bfZXk0toCIvHDh/Vn3GcXZh+kq 2gfVfPec7YX7kMWGHgK3+VjUc0cW5dPB2O2MGWCigfd6J3z5ex1A0vWYqdEfzaNplJ4nf2A+Pmr2o U2FJVJne2sKn4ELKimp8ma3phVXAisi2IJw4vGlkuRI/XRexE1zhy3v7pHmBBaTgf3ZqCUPkF35OH Or2LvH204f3scn4cCwXyHoi6VXrqJWU696E8p9pFQj1djkqp+5X9VPsNWqP3Wop2rCegBn5BMy+ml 3kDiooL4JXvQ5pP5tS31hjUc/E/f3JqCHs/jHEYv3bqs69DJNC31+egnty1t6o4SqBDCErOVJfMGp foOv1S7A==; Received: from [2409:11:4120:300:47e:d4b7:9a1c:43bd] (helo=localhost) by meldrar.postgresql.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1wJ1nL-000Chr-0W; Sat, 02 May 2026 04:17:36 +0000 Date: Sat, 02 May 2026 13:17:18 +0900 (JST) Message-Id: <20260502.131718.1177156404282376744.ishii@postgresql.org> To: assam258@gmail.com Cc: zsolt.parragi@percona.com, sjjang112233@gmail.com, vik@postgresfriends.org, er@xs4all.nl, jacob.champion@enterprisedb.com, david.g.johnston@gmail.com, peter@eisentraut.org, li.evan.chao@gmail.com, pgsql-hackers@postgresql.org Subject: Re: Row pattern recognition From: Tatsuo Ishii In-Reply-To: References: <20260427.174220.1939160662649810289.ishii@postgresql.org> X-Mailer: Mew version 6.8 on Emacs 29.3 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Host-Lookup-Failed: Reverse DNS lookup failed for 2409:11:4120:300:47e:d4b7:9a1c:43bd (failed) List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk Hi Henson, Thank you for the patch sets! Quick question: I know in v47 JIT compilation supports PREV/NEXT. What about FIRST/LAST and compound forms? Regards, -- Tatsuo Ishii SRA OSS K.K. English: http://www.sraoss.co.jp/index_en/ Japanese:http://www.sraoss.co.jp