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Fri, 18 Nov 2022 05:42:02 +0000 Content-Type: multipart/mixed; boundary="===============1699769524623201442==" MIME-Version: 1.0 Subject: BUG #17689: Two UPDATE operators in common table expressions (CTE) perform not as expected To: pgsql-bugs@lists.postgresql.org From: PG Bug reporting form Cc: eugene.pliskin@gmail.com Reply-To: eugene.pliskin@gmail.com, pgsql-bugs@lists.postgresql.org Date: Fri, 18 Nov 2022 05:41:54 +0000 Message-ID: <17689-84526834edafc336@postgresql.org> X-Auto-Response-Suppress: All Auto-Submitted: auto-generated List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --===============1699769524623201442== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 VGhlIGZvbGxvd2luZyBidWcgaGFzIGJlZW4gbG9nZ2VkIG9uIHRoZSB3ZWJzaXRlOgoKQnVnIHJl ZmVyZW5jZTogICAgICAxNzY4OQpMb2dnZWQgYnk6ICAgICAgICAgIEV1Z2VuZSBQbGlza2luCkVt YWlsIGFkZHJlc3M6ICAgICAgZXVnZW5lLnBsaXNraW5AZ21haWwuY29tClBvc3RncmVTUUwgdmVy c2lvbjogMTQuNQpPcGVyYXRpbmcgc3lzdGVtOiAgIFdpbmRvd3MgMTAKRGVzY3JpcHRpb246ICAg ICAgICAKClRoZSBzYW1wbGUgY29kZSBiZWxvdyBjb250YWlucyB0d28gVVBEQVRFIHN0ZXBzIGlu IGEgY2hhaW4gb2YgY29tbW9uIHRhYmxlCmV4cHJlc3Npb25zIChDVEUpLg0KRmlyc3QgVVBEQVRF IHN0ZXAgInQyYiIgbW9kaWZpZXMgYSByb3cgaW4gYSBzYW1wbGUgdGFibGUuDQpMYXRlciBkb3du IGFuIHVuY29uZGl0aW9uYWwgVVBEQVRFIHN0ZXAgInQ1IiBmYWlscyB0byBhZmZlY3QgdGhhdCBy b3cuDQpJZiBzdGVwICJ0MmEiIGlzIHVuY29tbWVudGVkIGluc3RlYWQgb2YgInQyYiIgdGhlbiBz dGVwICJ0NSIgcGVyZm9ybXMgYXMKZXhwZWN0ZWQgLg0KDQpjcmVhdGUgdGFibGUgdGFibGUxKGlk IGludCwgdmFsdWUxIGludCk7DQppbnNlcnQgaW50byB0YWJsZTEgdmFsdWVzDQogICAgKDEsIDEw KSwNCiAgICAoMiwgMjApDQo7DQpzZWxlY3QgKiBmcm9tIHRhYmxlMSBvcmRlciBieSAxOw0KLS0g aWQgIHZhbHVlMQ0KLS0gMSAgICAxMCAgICAgICANCi0tIDIgICAgMjAgICAgICAgDQoNCmRvICQk ZGVjbGFyZSAtLSBhbm9ueW1vdXMgcGxwZ3NxbCBibG9jaw0KICBuMiBpbnQ7IG41IGludDsNCmJl Z2luDQogICAgd2l0aCB0MSBhcyAoIC0tIHQxIGhhcyBvbmUgcm93IHdpdGggKGlkID0gMSkNCiAg ICAgICAgc2VsZWN0ICogZnJvbSB0YWJsZTEgd2hlcmUgaWQgPSAxDQogICAgKSwgdDIgYXMgKCAN Ci0tIEV4cGVyaW1lbnQgKHQyYSkgZG9lcyBub3RoaW5nOg0KLS0gICAgICAgICBzZWxlY3QgKiBm cm9tIHQxDQotLSBFeHBlcmltZW50ICh0MmIpIHVwZGF0ZXMgdGhlIGZpcnN0IHJvdyBvZiB0YWJs ZTEgd2l0aCAodmFsdWUxID0gMTEpOg0KICAgICAgICB1cGRhdGUgdGFibGUxIHNldCB2YWx1ZTEg PSAxMSANCiAgICAgICAgZnJvbSB0MQ0KICAgICAgICB3aGVyZSB0YWJsZTEuaWQgPSB0MS5pZA0K ICAgICAgICByZXR1cm5pbmcgdGFibGUxLmlkDQogICAgKSwgdDMgYXMgKA0KICAgICAgICBzZWxl Y3QgY291bnQoKikgYXMgbjIgZnJvbSB0MiAgLS0gbjIgPSAxDQogICAgKSwgdDQgYXMgKCAgLS0g dDQgPSB0YWJsZTEsIHR3byByb3dzDQogICAgICAgIHNlbGVjdCAqIGZyb20gdGFibGUxDQogICAg KSwgdDUgYXMgKCAgIC0tIGV4cGVjdCB0byB1cGRhdGUgYm90aCByb3dzIG9mIHRhYmxlMSB3aXRo ICh2YWx1ZTEgPSAyMikKYW5kIHNvIGl0IGRvZXMgYWZ0ZXIgdDJhDQogICAgICAgICAgICAgICAg IC0tIGJ1dCBvbmx5IG9uZSByb3cgZ2V0cyB1cGRhdGVkIGFmdGVyIHQyYg0KICAgICAgICB1cGRh dGUgdGFibGUxIHNldCB2YWx1ZTEgPSAyMiANCiAgICAgICAgZnJvbSB0NA0KICAgICAgICB3aGVy ZSB0YWJsZTEuaWQgPSB0NC5pZA0KICAgICAgICByZXR1cm5pbmcgdGFibGUxLmlkDQogICAgKSwg dDYgYXMgKA0KICAgICAgICBzZWxlY3QgY291bnQoKikgYXMgbjUgZnJvbSB0NSAgLS0gZXhwZWN0 IG41ID0gMg0KICAgICkgc2VsZWN0IHQzLm4yLCB0Ni5uNQ0KICAgICAgZnJvbSB0MywgdDYNCiAg ICAgIGludG8gbjIsIG41Ow0KICByYWlzZSBub3RpY2UgJ24yOiAlLCBuNTogJScsIG4yLCBuNTsg LS0gZXhwZWN0ZWQgKG4yOiAxLCBuNTogMikgYnV0IGhhdmUKKG4yOiAxLCBuNTogMSkgaW4gdDJi DQplbmQkJCA7DQotLSB0MmE6IChuNSA9IDIpIGFzIGV4cGVjdGVkDQotLSB0MmI6IHVuZXhwZWN0 ZWQgKG41ID0gMSkNCg0Kc2VsZWN0ICogZnJvbSB0YWJsZTEgb3JkZXIgYnkgMTsNCi0tIHQyYTog ZXhwZWN0ZWQgcmVzdWx0LCBib3RoIHJvd3MgaGF2ZSAodmFsdWUxID0gMjIpDQotLSBpZCAgdmFs dWUxDQotLSAxICAgIDIyICAgICAgIA0KLS0gMiAgICAyMiAgICAgICANCi0tDQotLSB0MmI6IHVu ZXhwZWN0ZWQgKHZhbHVlMSA9IDExKSBpbiB0aGUgZmlyc3Qgcm93DQotLSBpZCAgdmFsdWUxDQot LSAxICAgIDExICAgICAgIA0KLS0gMiAgICAyMiAgICAgICANCi0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tCgo= --===============1699769524623201442==--