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Mon, 23 Dec 2024 09:54:02 +0000 Content-Type: multipart/mixed; boundary="===============8906584551930092237==" MIME-Version: 1.0 Subject: BUG #18751: Sub-optimal UNION ALL plan To: pgsql-bugs@lists.postgresql.org From: PG Bug reporting form Cc: pingw33n@gmail.com Reply-To: pingw33n@gmail.com, pgsql-bugs@lists.postgresql.org Date: Mon, 23 Dec 2024 09:53:06 +0000 Message-ID: <18751-887c7bf4e67e65a7@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 --===============8906584551930092237== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 VGhlIGZvbGxvd2luZyBidWcgaGFzIGJlZW4gbG9nZ2VkIG9uIHRoZSB3ZWJzaXRlOgoKQnVnIHJl ZmVyZW5jZTogICAgICAxODc1MQpMb2dnZWQgYnk6ICAgICAgICAgIERteXRybyBMeXNhaQpFbWFp bCBhZGRyZXNzOiAgICAgIHBpbmd3MzNuQGdtYWlsLmNvbQpQb3N0Z3JlU1FMIHZlcnNpb246IDE3 LjIKT3BlcmF0aW5nIHN5c3RlbTogICBEZWJpYW4gMTIKRGVzY3JpcHRpb246ICAgICAgICAKCi0t IFBvc3RncmVTUUwgMTcuMiAoRGViaWFuIDE3LjItMS5wZ2RnMTIwKzEpIG9uIGFhcmNoNjQtdW5r bm93bi1saW51eC1nbnUsCmNvbXBpbGVkIGJ5IGdjYyAoRGViaWFuIDEyLjIuMC0xNCkgMTIuMi4w LCA2NC1iaXQNCnNlbGVjdCB2ZXJzaW9uKCk7DQoNCmNyZWF0ZSB0YWJsZSB0MSh0IHRpbWVzdGFt cHR6IHByaW1hcnkga2V5LCB2IHRleHQpOw0KY3JlYXRlIHRhYmxlIHQyKHQgdGltZXN0YW1wdHog cHJpbWFyeSBrZXksIHYgdGV4dCk7DQoNCg0KaW5zZXJ0IGludG8gdDEodCwgdikNCnNlbGVjdCB0 b190aW1lc3RhbXAoaSAqIDM2MDApLCBpOjp0ZXh0DQpmcm9tIGdlbmVyYXRlX3NlcmllcygwLCAy NCAqIDcgLSAxKSBhcyB0KGkpOw0KDQppbnNlcnQgaW50byB0Mih0LCB2KQ0Kc2VsZWN0IHRvX3Rp bWVzdGFtcChpICogMzYwMCksIGk6OnRleHQNCmZyb20gZ2VuZXJhdGVfc2VyaWVzKDI0ICogNywg MTAwMDAwKSBhcyB0KGkpOw0KDQpleHBsYWluIGFuYWx5emUgc2VsZWN0ICogZnJvbSAoDQooc2Vs ZWN0ICogZnJvbSB0MSkNCnVuaW9uIGFsbA0KKHNlbGVjdCAqIGZyb20gdDIpDQopDQpvcmRlciBi eSB0DQpsaW1pdCAxMDsNCi8qIEdvb2Q6DQpMaW1pdCAgKGNvc3Q9MC40NS4uMC44NiByb3dzPTEw IHdpZHRoPTEzKSAoYWN0dWFsIHRpbWU9MC4yNTcuLjAuMjYwIHJvd3M9MTAKbG9vcHM9MSkNCiAg LT4gIE1lcmdlIEFwcGVuZCAgKGNvc3Q9MC40NS4uNDE1NS40NyByb3dzPTEwMDAwMSB3aWR0aD0x MykgKGFjdHVhbAp0aW1lPTAuMjU2Li4wLjI1OCByb3dzPTEwIGxvb3BzPTEpDQogICAgICAgIFNv cnQgS2V5OiB0MS50DQogICAgICAgIC0+ICBJbmRleCBTY2FuIHVzaW5nIHQxX3BrZXkgb24gdDEg IChjb3N0PTAuMTQuLjE0LjY2IHJvd3M9MTY4CndpZHRoPTExKSAoYWN0dWFsIHRpbWU9MC4xNDIu LjAuMTQzIHJvd3M9MTAgbG9vcHM9MSkNCiAgICAgICAgLT4gIEluZGV4IFNjYW4gdXNpbmcgdDJf cGtleSBvbiB0MiAgKGNvc3Q9MC4yOS4uMzE0MC43OSByb3dzPTk5ODMzCndpZHRoPTEzKSAoYWN0 dWFsIHRpbWU9MC4xMTIuLjAuMTEyIHJvd3M9MSBsb29wcz0xKQ0KUGxhbm5pbmcgVGltZTogMC4x MzIgbXMNCkV4ZWN1dGlvbiBUaW1lOiAwLjI4OSBtcw0KKi8NCg0KZXhwbGFpbiBhbmFseXplIHNl bGVjdCAqIGZyb20gKA0KKHNlbGVjdCAqIGZyb20gdDEpDQp1bmlvbiBhbGwNCihzZWxlY3QgKiBm cm9tIHQyIHdoZXJlIHRydWUpIC0tIE5vdCBqdXN0IGB0cnVlYCwgYW55IGNvbmRpdGlvbiBoZXJl DQopDQpvcmRlciBieSB0DQpsaW1pdCAxMDsNCi8qIEJhZDoNCkxpbWl0ICAoY29zdD0zNjQ5LjA5 Li4zNjUwLjI1IHJvd3M9MTAgd2lkdGg9MTMpIChhY3R1YWwKdGltZT0xMDEuMzc5Li4xMTAuMDYw IHJvd3M9MTAgbG9vcHM9MSkNCiAgLT4gIEdhdGhlciBNZXJnZSAgKGNvc3Q9MzY0OS4wOS4uMTMz NzIuMDYgcm93cz04MzMzNCB3aWR0aD0xMykgKGFjdHVhbAp0aW1lPTEwMS4zNzguLjExMC4wNTgg cm93cz0xMCBsb29wcz0xKQ0KICAgICAgICBXb3JrZXJzIFBsYW5uZWQ6IDINCiAgICAgICAgV29y a2VycyBMYXVuY2hlZDogMg0KICAgICAgICAtPiAgU29ydCAgKGNvc3Q9MjY0OS4wNi4uMjc1My4y MyByb3dzPTQxNjY3IHdpZHRoPTEzKSAoYWN0dWFsCnRpbWU9MTcuNzk0Li4xNy43OTUgcm93cz0z IGxvb3BzPTMpDQogICAgICAgICAgICAgIFNvcnQgS2V5OiB0Mi50DQogICAgICAgICAgICAgIFNv cnQgTWV0aG9kOiB0b3AtTiBoZWFwc29ydCAgTWVtb3J5OiAyNWtCDQogICAgICAgICAgICAgIFdv cmtlciAwOiAgU29ydCBNZXRob2Q6IHF1aWNrc29ydCAgTWVtb3J5OiAyNWtCDQogICAgICAgICAg ICAgIFdvcmtlciAxOiAgU29ydCBNZXRob2Q6IHF1aWNrc29ydCAgTWVtb3J5OiAyNWtCDQogICAg ICAgICAgICAgIC0+ICBQYXJhbGxlbCBBcHBlbmQgIChjb3N0PTAuMDAuLjE3NDguNjUgcm93cz00 MTY2NyB3aWR0aD0xMykKKGFjdHVhbCB0aW1lPTAuMTIwLi4xMS42ODYgcm93cz0zMzMzNCBsb29w cz0zKQ0KICAgICAgICAgICAgICAgICAgICAtPiAgU2VxIFNjYW4gb24gdDIgIChjb3N0PTAuMDAu LjE1MzguMzMgcm93cz05OTgzMwp3aWR0aD0xMykgKGFjdHVhbCB0aW1lPTAuMTM2Li4yOS4wNDMg cm93cz05OTgzMyBsb29wcz0xKQ0KICAgICAgICAgICAgICAgICAgICAtPiAgUGFyYWxsZWwgU2Vx IFNjYW4gb24gdDEgIChjb3N0PTAuMDAuLjEuOTkgcm93cz05OQp3aWR0aD0xMSkgKGFjdHVhbCB0 aW1lPTAuMzUwLi4wLjM2MCByb3dzPTE2OCBsb29wcz0xKQ0KUGxhbm5pbmcgVGltZTogMC44NjYg bXMNCkV4ZWN1dGlvbiBUaW1lOiAxMTAuMjE5IG1zDQogKi8KCg== --===============8906584551930092237==--