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 1qlBo8-001f0c-Hz for pgsql-docs@arkaria.postgresql.org; Tue, 26 Sep 2023 17:25:12 +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 1qlBo5-00DeqZ-Cb for pgsql-docs@arkaria.postgresql.org; Tue, 26 Sep 2023 17:25:09 +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 1qlBo5-00DeqG-0H for pgsql-docs@lists.postgresql.org; Tue, 26 Sep 2023 17:25:09 +0000 Received: from sss.pgh.pa.us ([68.162.161.243]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1qlBnx-006m4U-Uz for pgsql-docs@lists.postgresql.org; Tue, 26 Sep 2023 17:25:07 +0000 Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1]) by sss.pgh.pa.us (8.15.2/8.15.2) with ESMTP id 38QHOvEL429313; Tue, 26 Sep 2023 13:24:57 -0400 From: Tom Lane To: Vik Fearing cc: Erki Eessaar , "pgsql-docs@lists.postgresql.org" , Peter Eisentraut Subject: Re: JSON type unsupported In-reply-to: References: Comments: In-reply-to Vik Fearing message dated "Tue, 26 Sep 2023 17:31:11 +0200" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <429311.1695749097.1@sss.pgh.pa.us> Date: Tue, 26 Sep 2023 13:24:57 -0400 Message-ID: <429312.1695749097@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk Vik Fearing writes: > Thank you for pointing this out. Peter's blog is slightly misleading in > that we do have the JSON data type, but the T801 feature is far from > complete. > For example, we do not have the JSON_SERIALIZE(), JSON()[1], > JSON_SCALAR() functions. We don't have the IS JSON predicate, or a few > other things hiding behind T801. > All in all, I would not say we support the JSON data type the way the > standard intends, and therefore we should not claim to support T801. Agreed, but should we say "partial support", as we do for some other feature identifiers? regards, tom lane