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 1ttXkZ-00DvcY-33 for pgsql-committers@arkaria.postgresql.org; Sat, 15 Mar 2025 20:04:51 +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 1ttXkV-0028da-Tz for pgsql-committers@arkaria.postgresql.org; Sat, 15 Mar 2025 20:04:47 +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 1ttXkV-0028a8-LT for pgsql-committers@lists.postgresql.org; Sat, 15 Mar 2025 20:04:47 +0000 Received: from mahout.postgresql.org ([2001:4800:3e1:1::227]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1ttXkQ-0033wr-38 for pgsql-committers@lists.postgresql.org; Sat, 15 Mar 2025 20:04:46 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=postgresql.org; s=20171124; h=Date:Message-Id:Subject:To:From:MIME-Version: Content-Type:Sender:Reply-To:Cc:Content-Transfer-Encoding:Content-ID: Content-Description:In-Reply-To:References; bh=CGyV/CWJiSiSWIpWJRMToY1O8+0BQq8MippDgqPjSsg=; b=p2U7gEWOsA2yRylBaAreseSrUB kl6t/AUHQ9DTAPvXpDp+2Hv24W7SjAPhYQ06USZGA/3Udz6AFvbrMa5xTstFujG8uP9plOuFjZHS4 cEl9sPdmcuv3iXPmttbNJxUA/khZi9nTGkSPRBv8s4IrCMSJl6kNwcg9VRJmXzBtKwugal0vwOGOP EJRzvCTakebe4ncNAXTobX97c5aeomeWXxZDdwSmdIJrjglZCIXJzYu/Jl4/tmkIAYf8AdoKDHBnN ZsCnSQKjqusEeykdrAEkSR7VU/1aos0rHkvx5D9rZT/BNSdR4/EDrtcO4iHVVO4N0HoWSR9Cwxjik bE3k0yug==; Received: from gemulon.postgresql.org ([2001:4800:3e1:1::198]) by mahout.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1ttXkQ-007t7C-O6 for pgsql-committers@lists.postgresql.org; Sat, 15 Mar 2025 20:04:42 +0000 Received: from localhost ([127.0.0.1] helo=gemulon.postgresql.org) by gemulon.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1ttXkP-002e0z-2M for pgsql-committers@lists.postgresql.org; Sat, 15 Mar 2025 20:04:41 +0000 Content-Type: multipart/mixed; boundary="===============6684166181073234999==" MIME-Version: 1.0 From: Jeff Davis To: pgsql-committers@lists.postgresql.org Subject: pgsql: Optimization for lower(), upper(), casefold() functions. X-Auto-Response-Suppress: All Auto-Submitted: auto-generated Message-Id: Date: Sat, 15 Mar 2025 20:04:41 +0000 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --===============6684166181073234999== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 T3B0aW1pemF0aW9uIGZvciBsb3dlcigpLCB1cHBlcigpLCBjYXNlZm9sZCgpIGZ1bmN0aW9ucy4K CkltcHJvdmUgcGVyZm9ybWFuY2UgYW5kIHJlZHVjZSB0YWJsZSBzaXplcyBmb3IgY2FzZSBtYXBw aW5nLgoKVGhlIG1haW4gY2FzZSBtYXBwaW5nIHRhYmxlIHN0b3JlcyBvbmx5IDE2LWJpdCBvZmZz ZXRzLCB3aGljaCBjYW4gYmUKdXNlZCB0byBsb29rIHVwIHRoZSBtYXBwZWQgY29kZSBwb2ludCBp biBhbnkgb2YgdGhlIGNhc2UgdGFibGVzIChmb2xkLApsb3dlciwgdXBwZXIsIG9yIHRpdGxlIGNh c2UpLiBTaW1wbGUgY2FzZSBwYWlycyBwb2ludCB0byB0aGUgc2FtZQpvZmZzZXRzLgoKR2VuZXJh dGUgYSBmdW5jdGlvbiBpbiBnZW5lcmF0ZS11bmljb2RlX2Nhc2VfdGFibGUucGwgdGhhdCBjb25z aXN0cyBvZgphIG5lc3RlZCBicmFuY2hlcyB0byB0ZXN0IGZvciBzcGVjaWZpYyBjb2RlcG9pbnQg cmFuZ2VzIHRoYXQgZGV0ZXJtaW5lCnRoZSBvZmZzZXQgaW4gdGhlIG1haW4gdGFibGUuCgpPdGhl ciBhcHByb2FjaGVzIHdlcmUgY29uc2lkZXJlZCwgc3VjaCBhcyByZXByZXNlbnRpbmcgdGhlc2Ug cmFuZ2VzIGFzCmFub3RoZXIgc3RydWN0dXJlIChyYXRoZXIgdGhhbiBicmFuY2hlcyBpbiBhIGdl bmVyYXRlZCBmdW5jdGlvbiksIG9yIGEKZGlmZmVyZW50IGFwcHJvYWNoIHN1Y2ggYXMgYSByYWRp eCB0cmVlLCBvciBwZXJmZWN0IGhhc2hpbmcuIFRoZQphdXRob3IgaW1wbGVtZW50ZWQgYW5kIHRl c3RlZCB0aGVzZSBhbHRlcm5hdGl2ZXMgYW5kIHNldHRsZWQgb24gdGhlCmdlbmVyYXRlZCBicmFu Y2hlcy4KCkF1dGhvcjogQWxleGFuZGVyIEJvcmlzb3YgPGxleC5ib3Jpc292QGdtYWlsLmNvbT4K UmV2aWV3ZWQtYnk6IEhlaWtraSBMaW5uYWthbmdhcyA8aGxpbm5ha2FAaWtpLmZpPgpEaXNjdXNz aW9uOiBodHRwczovL3Bvc3Rnci5lcy9tLzdjYWM3ZTY2LTlhM2ItNGUzZi1hOTk3LTQyYWEwYzQw MWY4MCU0MGdtYWlsLmNvbQoKQnJhbmNoCi0tLS0tLQptYXN0ZXIKCkRldGFpbHMKLS0tLS0tLQpo dHRwczovL2dpdC5wb3N0Z3Jlc3FsLm9yZy9wZy9jb21taXRkaWZmLzI3YmRlYzA2ODQxZDFiYjAw NGNhNzYyN2VhYzk3ODA4YjA4YTdhYzcKCk1vZGlmaWVkIEZpbGVzCi0tLS0tLS0tLS0tLS0tCnNy Yy9jb21tb24vdW5pY29kZS9nZW5lcmF0ZS11bmljb2RlX2Nhc2VfdGFibGUucGwgfCAgIDM4OCAr LQpzcmMvY29tbW9uL3VuaWNvZGVfY2FzZS5jICAgICAgICAgICAgICAgICAgICAgICAgIHwgICAg ODAgKy0Kc3JjL2luY2x1ZGUvY29tbW9uL3VuaWNvZGVfY2FzZV90YWJsZS5oICAgICAgICAgICB8 IDE2NDE4ICsrKysrKysrKysrKysrKystLS0tCjMgZmlsZXMgY2hhbmdlZCwgMTM2NzEgaW5zZXJ0 aW9ucygrKSwgMzIxNSBkZWxldGlvbnMoLSkKCg== --===============6684166181073234999==--