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 1vAUdM-0026QN-LQ for pgsql-general@arkaria.postgresql.org; Sun, 19 Oct 2025 14:43:43 +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 1vAUdJ-00B2wh-DM for pgsql-general@arkaria.postgresql.org; Sun, 19 Oct 2025 14:43:40 +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 1vAUdJ-00B2wZ-2R for pgsql-general@lists.postgresql.org; Sun, 19 Oct 2025 14:43:40 +0000 Received: from mail.appl-ecosys.com ([50.126.108.78]) by makus.postgresql.org with smtp (Exim 4.96) (envelope-from ) id 1vAUdG-002d32-1N for pgsql-general@postgresql.org; Sun, 19 Oct 2025 14:43:39 +0000 Received: from salmo.appl-ecosys.com (salmo.appl-ecosys.com [192.168.55.1]) by mail.appl-ecosys.com (Postfix) with ESMTP id 918F12A14D6 for ; Sun, 19 Oct 2025 07:43:36 -0700 (PDT) Date: Sun, 19 Oct 2025 07:43:36 -0700 (PDT) From: Rich Shepard Reply-To: Rich Shepard To: pgsql-general@postgresql.org Subject: Convert date and time colums to datetime Message-ID: <63dfbc7c-bc63-7fa-a51b-915dd804ea2@appl-ecosys.com> MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset=US-ASCII List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk The database has a table with separate date and time columns. 1. Are there benefits to merging the two into a single timestamp column? 2. If so, how would I do this? (Reading date/time operators and functions doc page hasn't shown me one.) TIA, Rich