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Fri, 19 Aug 2022 15:14:02 +0000 Content-Type: multipart/mixed; boundary="===============5626512209611000181==" MIME-Version: 1.0 Subject: BUG #17590: [OPTIMIZER] DELETE never ends on a small table, found a workaround which makes it instant To: pgsql-bugs@lists.postgresql.org From: PG Bug reporting form Cc: g.fouet@gmail.com Reply-To: g.fouet@gmail.com, pgsql-bugs@lists.postgresql.org Date: Fri, 19 Aug 2022 15:13:59 +0000 Message-ID: <17590-80fab927fee1ddf2@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 --===============5626512209611000181== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 VGhlIGZvbGxvd2luZyBidWcgaGFzIGJlZW4gbG9nZ2VkIG9uIHRoZSB3ZWJzaXRlOgoKQnVnIHJl ZmVyZW5jZTogICAgICAxNzU5MApMb2dnZWQgYnk6ICAgICAgICAgIEd1aWxsYXVtZSBGT1VFVApF bWFpbCBhZGRyZXNzOiAgICAgIGcuZm91ZXRAZ21haWwuY29tClBvc3RncmVTUUwgdmVyc2lvbjog MTQuNQpPcGVyYXRpbmcgc3lzdGVtOiAgIFdpbmRvd3MgMTAgLSA2NHgKRGVzY3JpcHRpb246ICAg ICAgICAKClRlc3RlZCB3aXRoIFBvc3RncmVzIDEzLjUsIDEzLjggYW5kIDE0LjUgKEkgdXBkYXRl ZCB0byBzZWUgaWYgdGhhdCB3YXMgYQpidWcpLg0KDQpJIGhhdmUgZm91ciB0YWJsZXM6IEFERFJF U1MsIENPTVBBTlksIENPTlRBQ1QsIFRSSVANCkFERFJFU1MgaGFzIH4xMzAwMDAgcm93cw0KQ09N UEFOWSBoYXMgYSBGSyB0b3dhcmQgQUREUkVTUyBhbmQgfjE2MDAwIHJvd3MNCkNPTlRBQ1QgaGFz IGEgRksgdG93YXJkIEFERFJFU1MgYW5kIH4xMjAwMCByb3dzDQpUUklQIGhhcyBhIEZLIHRvd2Fy ZCBBRERSRVNTIGFuZCB+MTM3NTAwIHJvd3MNCg0KV2Ugd2FudGVkIHRvIHB1cmdlIHRoZSBhZGRy ZXNzIHRhYmxlIGZyb20gb2xkLCB1bnVzZWQgYWRkcmVzc2VzOg0KREVMRVRFIEZST00gYWRkcmVz cyBXSEVSRSBhZGRyZXNzX2lkIE5PVCBJTiAoDQogICAgU0VMRUNUIERJU1RJTkNUIGFkZHJlc3Nf aWQgRlJPTSBjb21wYW55DQogICAgVU5JT04NCiAgICBTRUxFQ1QgRElTVElOQ1QgYWRkcmVzc19p ZCBGUk9NIGNvbnRhY3QNCiAgICBVTklPTg0KICAgIFNFTEVDVCBESVNUSU5DVCBhZGRyZXNzX2lk IEZST00gdHJpcA0KKTsNCg0KVGhpcyBxdWVyeSBhYm92ZSBuZXZlciBlbmRzIChJIHdhaXRlZCAx NSBtaW51dGVzIGFuZCBpdCB3YXMgc3RpbGwgZ29pbmcsIEhERApkb2luZyBub3RoaW5nLCBvbmUg Y29yZSBDUFUgdXNlZCkuDQpUaGUgRVhQTEFJTiBzYXlzIGl0IG1hdGVyaWFsaXplcyB0aGUgYWRk cmVzc19pZHMgYWdncmVnYXRlcyB0aGVuIHNjYW5zCkFERFJFU1MgZm9yIGRlbGV0aW9uLg0KDQpB ZnRlciBtYW55IHRyaWVzLCBJIG1hZGUgdGhpcyBxdWVyeSBpbnN0ZWFkOg0KQ1JFQVRFIFRFTVBP UkFSWSBUQUJMRSB1c2VkX2FkZHJlc3NfaWQgQVMgKA0KICBTRUxFQ1QgRElTVElOQ1QgYWRkcmVz c19pZCBGUk9NIGNvbXBhbnkNCiAgVU5JT04NCiAgU0VMRUNUIERJU1RJTkNUIGFkZHJlc3NfaWQg RlJPTSBjb250YWN0DQogIFVOSU9ODQogIFNFTEVDVCBESVNUSU5DVCBhZGRyZXNzX2lkIEZST00g dHJpcA0KKTsNCkNSRUFURSBVTklRVUUgSU5ERVggT04gdXNlZF9hZGRyZXNzX2lkIChhZGRyZXNz X2lkKTsNCkRFTEVURSBGUk9NIHVzZWRfYWRkcmVzc19pZCBXSEVSRSBhZGRyZXNzX2lkIElTIE5V TEw7DQpERUxFVEUgRlJPTSBhZGRyZXNzIFdIRVJFIGFkZHJlc3NfaWQgTk9UIElOIChTRUxFQ1Qg YWRkcmVzc19pZCBGUk9NCnVzZWRfYWRkcmVzc19pZCk7DQoNClRoaXMgd2FzIHJlc29sdmVkIGlu IDUwMG1zIChiYXNpY2FsbHkgaW5zdGFudGx5KS4NCkkgaGF2ZSB0aGUgZmVlbGluZyB0aGVyZSdz IGFuIE8obsKyKSBzb21ld2hlcmUgaW4gdGhlIGZpcnN0IHF1ZXJ5Lg0KDQpUaGFua3MuCgo= --===============5626512209611000181==--