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 1vGGJK-00B1Q4-Rs for pgsql-bugs@arkaria.postgresql.org; Tue, 04 Nov 2025 12:38:54 +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 1vGGJJ-00DbPg-E8 for pgsql-bugs@arkaria.postgresql.org; Tue, 04 Nov 2025 12:38:52 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1vGFpd-00DLrg-BF for pgsql-bugs@lists.postgresql.org; Tue, 04 Nov 2025 12:08:12 +0000 Received: from mahout.postgresql.org ([2001:4800:3e1:1::227]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vGFpX-005vZA-1j for pgsql-bugs@lists.postgresql.org; Tue, 04 Nov 2025 12:08:12 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=postgresql.org; s=20171124; h=Message-ID:Date:Reply-To:Cc:From:To:Subject: MIME-Version:Content-Type:Sender:Content-Transfer-Encoding:Content-ID: Content-Description:In-Reply-To:References; bh=iS2gkcPj/vIXqEMfm00dtn9s8pT89OWBS3qMog+8N8A=; b=5AMa9SuEtpc/GwH7wEymBeurZQ jODmkYoQWlNw+tlqCctbJItHJz5nUsbNtQD6ahWAgZ3Qnq7hoV/YokL2Bk5fby7ea5Lobp0YCk0+C D3KlyrzIPV2NvOZuQVTNFaKfdP3c8l7Fm0ajq2JUWfpJshPppG7kcuD/MJUc66v4Milv1/Mgrgibe FYzPwOHe0ld9xf46eVsMMn3shwB48bjE18EIJOnjCwRuBBO4KE2fgA0wg1LSu0I/O6KJIPXwVRMDU 2fGJQzBkLH2B80nWDFxwo9RptrdmvlMP4TyCzZ9UYfkNW4j/EJWomUq9YelFy3zukFqIOBncNIY3F /eF1A1YA==; Received: from wrigleys.postgresql.org ([2a02:16a8:dc51::60]) by mahout.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1vGFpW-009l6k-69 for pgsql-bugs@lists.postgresql.org; Tue, 04 Nov 2025 12:08:05 +0000 Received: from localhost ([127.0.0.1] helo=wrigleys.postgresql.org) by wrigleys.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1vGFpS-0087fe-1s for pgsql-bugs@lists.postgresql.org; Tue, 04 Nov 2025 12:08:02 +0000 Content-Type: multipart/mixed; boundary="===============4922635733993675625==" MIME-Version: 1.0 Subject: BUG #19103: Canceled INSERT statement can still influence the performance of subsequent SELECT statement To: pgsql-bugs@lists.postgresql.org From: PG Bug reporting form Cc: jinhui.lai@qq.com Reply-To: jinhui.lai@qq.com, pgsql-bugs@lists.postgresql.org Date: Tue, 04 Nov 2025 12:08:00 +0000 Message-ID: <19103-0e4f007453331d2b@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 --===============4922635733993675625== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 VGhlIGZvbGxvd2luZyBidWcgaGFzIGJlZW4gbG9nZ2VkIG9uIHRoZSB3ZWJzaXRlOgoKQnVnIHJl ZmVyZW5jZTogICAgICAxOTEwMwpMb2dnZWQgYnk6ICAgICAgICAgIEppbmh1aSBMYWkKRW1haWwg YWRkcmVzczogICAgICBqaW5odWkubGFpQHFxLmNvbQpQb3N0Z3JlU1FMIHZlcnNpb246IDE4LjAK T3BlcmF0aW5nIHN5c3RlbTogICB1YnVudHUgMjIuMDQKRGVzY3JpcHRpb246ICAgICAgICAKCkRl YXIgUEcgZGV2ZWxvcGVyczoKClRoYW5rcyBmb3IgcmVhZGluZyBteSByZXBvcnQuIEhlcmUsIEkg ZmluZCBhIHBlcmZvcm1hbmNlIGlzc3VlLiAgSSBoYXZlCmZvdW5kIGEgcGVyZm9ybWFuY2UgaXNz dWUgd2hlcmUgYSBjYW5jZWxlZCBJTlNFUlQgc3RhdGVtZW50IGFwcGVhcnMgdG8KbmVnYXRpdmVs eSBpbXBhY3QgdGhlIHBlcmZvcm1hbmNlIG9mIHN1YnNlcXVlbnQgU0VMRUNUIHF1ZXJpZXMuCgpT dGVwcyB0byBSZXByb2R1Y2U6CgpcdGltaW5nIG9uCkNSRUFURSBUQUJMRSB0MChjMCBJTlQ4KTsK SU5TRVJUIElOVE8gdDEgVkFMVUVTKDEpOwpDUkVBVEUgVEFCTEUgdDEoYzEgSU5UOCk7CklOU0VS VCBJTlRPIHQxIFNFTEVDVCAqIEZST00gZ2VuZXJhdGVfc2VyaWVzKDEsIDEwMDAwMDAwMCk7Cl5D Q2FuY2VsIHJlcXVlc3Qgc2VudApFUlJPUjogIGNhbmNlbGluZyBzdGF0ZW1lbnQgZHVlIHRvIHVz ZXIgcmVxdWVzdApUaW1lOiA1MDY4NS4wNjMgbXMgKDAwOjUwLjY4NSkKClNFTEVDVCBDT1VOVCgq KSBGUk9NIHQwOwogY291bnQKLS0tLS0tLQogICAgIDAKKDEgcm93KQpUaW1lOiAxLjI2NCBtcwoK U0VMRUNUIENPVU5UKCopIEZST00gdDE7CiBjb3VudAotLS0tLS0tCiAgICAgMAooMSByb3cpClRp bWU6IDM0NjYuOTMzIG1zICgwMDowMy40NjcpCgpUaGlzIHBlcmZvcm1hbmNlIGRlZ3JhZGF0aW9u IGNvdWxkIGFmZmVjdCBzeXN0ZW1zIHdoZXJlIGxhcmdlIGJhdGNoCm9wZXJhdGlvbnMgYXJlIGZy ZXF1ZW50bHkgc3RhcnRlZCBhbmQgY2FuY2VsZWQsIHBvdGVudGlhbGx5IGltcGFjdGluZwpvdmVy YWxsIGRhdGFiYXNlIHJlc3BvbnNpdmVuZXNzLgoKVGhhbmsgeW91IGZvciBpbnZlc3RpZ2F0aW5n IHRoaXMgaXNzdWUuCgpCZXN0IHJlZ2FyZHMsCkppbmh1aSBMYWkKCg== --===============4922635733993675625==--