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 1p8nAm-0004F6-5M for pgsql-hackers@arkaria.postgresql.org; Fri, 23 Dec 2022 18:53:36 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1p8nAj-0003Qd-U6 for pgsql-hackers@arkaria.postgresql.org; Fri, 23 Dec 2022 18:53:33 +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 1p8nAj-0003QS-LA for pgsql-hackers@lists.postgresql.org; Fri, 23 Dec 2022 18:53:33 +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 1p8nAh-0005CS-Tl for pgsql-hackers@lists.postgresql.org; Fri, 23 Dec 2022 18:53:32 +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 2BNIrODQ2769685; Fri, 23 Dec 2022 13:53:24 -0500 From: Tom Lane To: Andrew Dunstan cc: Amul Sul , Andres Freund , Alexander Korotkov , Robert Haas , "David G. Johnston" , Corey Huinker , Alvaro Herrera , Joe Conway , Nikita Glukhov , PostgreSQL Hackers Subject: Re: Error-safe user functions In-reply-to: <9c8f22f2-7a37-fc4d-8e9f-3431c0d09c5a@dunslane.net> References: <4009543.1670422833@sss.pgh.pa.us> <20221208215836.3naznqmal2m32hzc@awork3.anarazel.de> <512551.1670540229@sss.pgh.pa.us> <20221209023351.l362yejerfoq3lfp@awork3.anarazel.de> <633426.1670554790@sss.pgh.pa.us> <01ff2051-806d-af2f-4f9e-793f7ba9a3f8@dunslane.net> <778369.1670598993@sss.pgh.pa.us> <5aaf7c66-9df9-21a9-1ff4-02c7848def52@dunslane.net> <3bac9841-fe07-713d-fa42-606c225567d6@dunslane.net> <1436686.1670701118@sss.pgh.pa.us> <2b1e7d56-6f37-bad9-9702-053ab55ecf60@dunslane.net> <1805344.1670779451@sss.pgh.pa.us> <1863335.1670783397@sss.pgh.pa.us> <2687377.1671033604@sss.pgh.pa.us> <2966981.1671057469@sss.pgh.pa.us> <1964968.1671727440@sss.pgh.pa.us> <9c8f22f2-7a37-f! c4d-8e9f-3431c0d09c5a@dunslane.net> Comments: In-reply-to Andrew Dunstan message dated "Fri, 23 Dec 2022 12:19:44 -0500" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <2769683.1671821604.1@sss.pgh.pa.us> Date: Fri, 23 Dec 2022 13:53:24 -0500 Message-ID: <2769684.1671821604@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk Andrew Dunstan writes: > On 2022-12-22 Th 11:44, Tom Lane wrote: >> (I wonder why this is using RE_compile_and_cache at all, really, >> rather than some other API. There doesn't seem to be value in >> forcing the regex into the cache at this point.) > I agree. The attached uses pg_regcomp instead. I had a lift a couple of > lines from regexp.c, but not too many. LGTM. No further comments. regards, tom lane