Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.89) (envelope-from ) id 1gIrnQ-0004ET-3s for pgsql-admin@arkaria.postgresql.org; Sat, 03 Nov 2018 09:00:44 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1gIrnN-0001GL-8i for pgsql-admin@arkaria.postgresql.org; Sat, 03 Nov 2018 09:00:41 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.89) (envelope-from ) id 1gIrnM-0001GE-62 for pgsql-admin@lists.postgresql.org; Sat, 03 Nov 2018 09:00:41 +0000 Received: from out3-smtp.messagingengine.com ([66.111.4.27]) by magus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.89) (envelope-from ) id 1gIrnI-0001W5-95 for pgsql-admin@lists.postgresql.org; Sat, 03 Nov 2018 09:00:39 +0000 Received: from compute7.internal (compute7.nyi.internal [10.202.2.47]) by mailout.nyi.internal (Postfix) with ESMTP id 7EDE222022; Sat, 3 Nov 2018 05:00:34 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute7.internal (MEProxy); Sat, 03 Nov 2018 05:00:34 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm1; bh=SHPuf2+eIiMFIs8e5m/BN6SVggO+kgorx7kntz6Ie JA=; b=BT1V/PQvgQvrOGdcIGFWjKSkjOi6nD0+PtEcfZwgfmBKiypRMn64MgXFq ltjcKfQnpK7KFhGlBCgYnJ8S+LaHL3zdb5SpwV4uczfXfBh/ioPaSs1xMddZGLZN VybMGlrZgSLX+t0rI/+++Kd4le8DWTJa02re2ZwXwBWOwQYu56CQ8YdhiZ87B11F JMu6w84Ulerse+JiXliDIkY/StzsqwuItHxU7PRafbTqVIuDV20Rkr93q3rHrmuG U98oyDxEyZ3Wm5zBQjEYvluTMprls07ZD94Ljmp8qm0PHzoKu9RiKAwzOOfK6mHn vcwaReQrboPz24Cz4jJdhg9Q7pi4w== X-ME-Sender: X-ME-Proxy: Received: from april.pezone.net (p5df295f3.dip0.t-ipconnect.de [93.242.149.243]) by mail.messagingengine.com (Postfix) with ESMTPA id 8176F102A0; Sat, 3 Nov 2018 05:00:32 -0400 (EDT) Subject: Re: Can I add a column in catalog table as a superuser To: ZongtianHou , Tom Lane References: <4285ADA2-B55B-41A5-A09D-678687A799EF@icloud.com> <19152.1540374229@sss.pgh.pa.us> <7F103CFA-4F0C-473D-ABE2-9ACB6CF90FB9@icloud.com> Cc: pgsql-admin@lists.postgresql.org From: Peter Eisentraut Openpgp: preference=signencrypt Autocrypt: addr=peter.eisentraut@2ndquadrant.com; 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Intel Mac OS X 10.13; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <7F103CFA-4F0C-473D-ABE2-9ACB6CF90FB9@icloud.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk On 24/10/2018 11:54, ZongtianHou wrote: > Thank you for the quick reply, I changed the source code, and installed again. But I still can not have the additional column I added after restart, unless initializing the database. But I don’t want to initialize it in product environment which will drop all the data, it there any other method to do it, like some SQL query? no -- Peter Eisentraut http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services