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 1rkZ9O-00Dcyk-2v for pgsql-hackers@arkaria.postgresql.org; Thu, 14 Mar 2024 00:40:50 +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 1rkZ9K-00E56y-Rp for pgsql-hackers@arkaria.postgresql.org; Thu, 14 Mar 2024 00:40:47 +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 4.94.2) (envelope-from ) id 1rkZ9K-00E56o-IH for pgsql-hackers@lists.postgresql.org; Thu, 14 Mar 2024 00:40:47 +0000 Received: from fhigh3-smtp.messagingengine.com ([103.168.172.154]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1rkZ9G-004N63-PD for pgsql-hackers@lists.postgresql.org; Thu, 14 Mar 2024 00:40:45 +0000 Received: from compute5.internal (compute5.nyi.internal [10.202.2.45]) by mailfhigh.nyi.internal (Postfix) with ESMTP id 3013511400EC; Wed, 13 Mar 2024 20:40:43 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute5.internal (MEProxy); Wed, 13 Mar 2024 20:40:43 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=paquier.xyz; h= cc:cc:content-type:content-type:date:date:from:from:in-reply-to :in-reply-to:message-id:mime-version:references:reply-to:subject :subject:to:to; s=fm1; t=1710376843; x=1710463243; bh=Bh5aGVRpYo /OQTgUaNI9hfcw8V2AaJsivaZkx87b3jU=; b=OWhp8lZyO5PARHmF1Oay1AcQjH bqZGuibZpiPmp1KfKfzw+b1p4j+oQ566dMPQTAt2TAf3ZFS6Yn3rvlmUhxoIorsa osZ8wZCDBJqmjDCoJqZuzuBl6qG0Q0QXmkrBQmHbnmyLEMzCZX84bDaWk0HwP7bP ubLzn0EfUdmbFRueEMi/ScEusQAbOKqUnotvNZKZBRqHWoTGVmf4iJe9rQ2X9c7U Bc1dkZySBTzoEEpXu014564ojxk25IYwoXjb7fiYLMVccRH/jdND29cDkRuheFRt SxnUG+QXXi+9g7fYcXi6R7GN68T8JaYwwlXFxtX7vm4xvrH+YCcRdL7IkkhA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-type:content-type:date:date :feedback-id:feedback-id:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:subject:subject:to :to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm1; t=1710376843; x=1710463243; bh=Bh5aGVRpYo/OQTgUaNI9hfcw8V2A aJsivaZkx87b3jU=; b=i9q2wl1Lzk/lLxARS0wOAhhbaTHcv7Th26l8+9MhKNiv 0aHyG0Qg4AQ1TD81Rry6IZrLHplaSh8DuAbMZHmH5hoa2jjXrVh4FWHqQ2kE3A0T 45KPc84+ppg9X5L01lnApWT8MY8/jSc0up3w4FQBenXgMTy6pQZdKH44YacUddGL m/3CPDQTU7uhivJm0Pfj27Cf2ps2JvK9SWSiUoQlwfPBBKb7UCceQ2pBWyUNd+QE DBrAl+ZtxYVqHL2sggsYBRQ4AYynXuPNcASP7sCQmFzQRtdXhZVb3JjfNr9nKz8a ORT1Wk8B5qXYIxIFyNxZfreAwBky/eRe4/ujsXbssg== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvledrjeeigddvfecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenfg hrlhcuvffnffculdejtddmnecujfgurhepfffhvfevuffkfhggtggujgesghdtreertddt vdenucfhrhhomhepofhitghhrggvlhcurfgrqhhuihgvrhcuoehmihgthhgrvghlsehprg hquhhivghrrdighiiiqeenucggtffrrghtthgvrhhnpeetleeifedufffhhfdtteelgeeg geffhfekueevteeigfduudevudetgfegiedvjeenucevlhhushhtvghrufhiiigvpedtne curfgrrhgrmhepmhgrihhlfhhrohhmpehmihgthhgrvghlsehprghquhhivghrrdighiii X-ME-Proxy: Feedback-ID: i0fe9450f:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Wed, 13 Mar 2024 20:40:41 -0400 (EDT) Date: Thu, 14 Mar 2024 09:40:29 +0900 From: Michael Paquier To: Peter Eisentraut Cc: Tomas Vondra , Peter Smith , Postgres hackers Subject: Re: Sequence Access Methods, round two Message-ID: References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="s0ODxdSNirBRjF2x" Content-Disposition: inline In-Reply-To: List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --s0ODxdSNirBRjF2x Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Mar 13, 2024 at 07:00:37AM +0100, Peter Eisentraut wrote: > I don't understand what the overall benefit of this change is supposed to > be. In the context of this thread, this removes the dependency of sequence value lookup to heap. > If this route were to be pursued, it should be a different function name. > We shouldn't change the signature of an existing function. I'm not so sure about that. The existing pg_sequence_last_value is undocumented and only used in a system view. -- Michael --s0ODxdSNirBRjF2x Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEG72nH6vTowiyblFKnvQgOdbyQH0FAmXyR30ACgkQnvQgOdby QH16mg//cBFi1Q6ndDLqPLW0OQYft3Ctz4i7SX2U1UC01E1ef2DHwJ+zHva9PUbC UL2UwHwPnHVg7rOHHtp7gil3wJl5Dtk+S5mqqXUqN9rMlnryuWrXLiFbAePVPGeI VBXMqeGQa75a3vKs2rgowNtGwMi0/XFWd0EDqRbU9A8mMyK+YNyCnRCD+SH7tWNu f9e2OG15P5nrUgi82r/aSAmtyP/dptuGtGXVGFOB7AQxZ6pZ75JZiovy3TNTMup/ Q/v5LMIWD8lp2FqU8R06nQHaE5z3rH97CAlBgNSFUxFCt5CO25MGyhU7dT8sbSfx Ds1TRnhlDZHeLXHtVqZMk6ETdWK5B2cZahlKnZxYkGPO09AhLukWI2nhhDArjXu+ b6SNbxQ9pHSQMqr4TB2yLGNTvrHWLl1jZwXpdOyRZLU9x8zYYd4fttDPXPe5V1cX Xdx9DeycguI3KVd9FJumeFv20SwtW50MH1qx4X7MkKygVUIv4IrThqguQdY1Hf+b x+4/ZEtB8sDyTmBxd47kpASE5RUeXMfIwohQxD+EZJ+dhcunS041Nmd/QuFRstJo 8tVoa9V0sQMoi7XFJY8MLsAup5qIn51pQ/KuHcwFmoD2mfLD2pzZHeNOUxAxbMoS wckREamN7h0yv7LLibVDZpD7YOfyMzjsMUQBILaWYWHkAFcgy2k= =eGtC -----END PGP SIGNATURE----- --s0ODxdSNirBRjF2x--