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 1ewqeP-00032e-Bm for pgsql-docs@arkaria.postgresql.org; Fri, 16 Mar 2018 14:48:09 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1ewqeN-0001L9-Ci for pgsql-docs@arkaria.postgresql.org; Fri, 16 Mar 2018 14:48:07 +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 1ewqeN-0001Kz-74 for pgsql-docs@lists.postgresql.org; Fri, 16 Mar 2018 14:48:07 +0000 Received: from sss.pgh.pa.us ([66.207.139.130]) by magus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.89) (envelope-from ) id 1ewqeK-0003CM-HG; Fri, 16 Mar 2018 14:48:06 +0000 Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1]) by sss.pgh.pa.us (8.14.4/8.14.4) with ESMTP id w2GEm1MP019256; Fri, 16 Mar 2018 10:48:01 -0400 From: Tom Lane To: "Jonathan S. Katz" cc: Euler Taveira , brian@traceme.com, pgsql-docs@lists.postgresql.org Subject: Re: Can we only add values to enums? In-reply-to: <9BE4F44F-4D9B-43C8-82D5-9B26902EC255@postgresql.org> References: <152089733343.1222.6927268289645380498@wrigleys.postgresql.org> <9BE4F44F-4D9B-43C8-82D5-9B26902EC255@postgresql.org> Comments: In-reply-to "Jonathan S. Katz" message dated "Fri, 16 Mar 2018 09:14:31 -0400" MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-ID: <19254.1521211681.1@sss.pgh.pa.us> Content-Transfer-Encoding: 8bit Date: Fri, 16 Mar 2018 10:48:01 -0400 Message-ID: <19255.1521211681@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk "Jonathan S. Katz" writes: > I would say that’s the exact reason why it should be documented, > so it’s clear that it was by design. Seems reasonable. Maybe something in 8.7.4 enum implementation details? regards, tom lane