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 4.96) (envelope-from ) id 1vLKKY-00Cfg5-0k for pgsql-hackers@arkaria.postgresql.org; Tue, 18 Nov 2025 11:57:06 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1vLKKW-005rsA-2l for pgsql-hackers@arkaria.postgresql.org; Tue, 18 Nov 2025 11:57:05 +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 4.96) (envelope-from ) id 1vLKKW-005rs2-1o for pgsql-hackers@lists.postgresql.org; Tue, 18 Nov 2025 11:57:04 +0000 Received: from mahout.postgresql.org ([2001:4800:3e1:1::227]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vLKKU-0009vr-26 for pgsql-hackers@lists.postgresql.org; Tue, 18 Nov 2025 11:57:04 +0000 Received: from coridan.postgresql.org ([2001:4800:3e1:1::213]) by mahout.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1vLKKU-000Pm9-78 for pgsql-hackers@lists.postgresql.org; Tue, 18 Nov 2025 11:57:02 +0000 Received: from localhost ([127.0.0.1] helo=coridan.postgresql.org) by coridan.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1vLKKU-000KX5-1R for pgsql-hackers@lists.postgresql.org; Tue, 18 Nov 2025 11:57:02 +0000 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: Re: Ambiguity in IS JSON description and logic To: pgsql-hackers@lists.postgresql.org From: Ilmar Y Cc: David Johnston Date: Tue, 18 Nov 2025 11:56:50 +0000 User-Agent: pgcommitfest X-cfsender: tanswis42.gmail.com In-Reply-To: References: <174238647361.682.12732328104350596711@wrigleys.postgresql.org> Message-ID: <176346701044.1015.11502436206879063762.pgcf@coridan.postgresql.org> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk SeKAmXZlIHNlbnQgYSBkb2NzIHBhdGNoIHRvIHBnc3FsLWRvY3MgaW4gdGhlDQrigJxBbWJpZ3Vp dHkgaW4gSVMgSlNPTiBkZXNjcmlwdGlvbiBhbmQgbG9naWPigJ0gdGhyZWFkLg0KDQpUaGUgcGF0 Y2ggY2xhcmlmaWVzIHRoYXQgdGhlIFdJVEgvV0lUSE9VVCBVTklRVUUgS0VZUyBjbGF1c2UgZm9y IElTIEpTT04NCmNvbnRyb2xzIGFuIGFkZGl0aW9uYWwgdGVzdCBmb3IgZHVwbGljYXRlIG9iamVj dCBrZXlzLCB0aGF0IFdJVEggVU5JUVVFIEtFWVMNCmVuZm9yY2VzIHRoaXMgY29uc3RyYWludCBy ZWN1cnNpdmVseSwgYW5kIHRoYXQgV0lUSE9VVCBVTklRVUUgS0VZUyAodGhlIGRlZmF1bHQpDQpk aXNhYmxlcyB0aGlzIGFkZGl0aW9uYWwgdGVzdCByYXRoZXIgdGhhbiByZXF1aXJpbmcgZHVwbGlj YXRlcyB0byBiZSBwcmVzZW50Lg==