Incremental Sort Cost Estimation Instability

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ID 5754
Title Incremental Sort Cost Estimation Instability
CI (CFBot) Summary
Stats (from CFBot) Patch version: v0, Patch count: 1, First patch: +249−75, All patches: +249−75
Topic Performance
Created 2025-05-15 11:03:16
Last modified 2025-05-15 11:03:16 (3 weeks ago)
Latest email 2025-06-04 21:26:17 (6 days ago)
Status
2025-07: Needs review
Target version 19
Authors Andrei Lepikhov (lepikhov)
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Incremental Sort Cost Estimation Instability
First at 2024-06-26 15:00:27 by Andrei Lepikhov <lepihov at gmail.com>
Latest at 2025-06-04 21:26:17 by Alexander Korotkov <aekorotkov at gmail.com>
Latest attachment (v0-0001-Employ-EquivalenceClass-to-adjust-ndistinct-estim.patch) at 2025-05-14 10:50:46 from Andrei Lepikhov <lepihov at gmail.com>
    Attachment (v0-0001-Employ-EquivalenceClass-to-adjust-ndistinct-estim.patch) at 2025-05-14 10:50:46 from Andrei Lepikhov <lepihov at gmail.com> (Patch: Yes)
    Attachment (0001-Improve-group-number-estimation.patch) at 2024-11-11 14:10:47 from Andrei Lepikhov <lepihov at gmail.com> (Patch: Yes)
    Attachment (v4-0001-Stabilise-incremental-sort-cost-calculation.patch) at 2024-11-07 05:57:46 from Andrei Lepikhov <lepihov at gmail.com> (Patch: Yes)
    Attachment (v3-0001-Stabilize-incremental-sort-estimation.patch) at 2024-10-08 04:33:36 from Andrei Lepikhov <lepihov at gmail.com> (Patch: Yes)
    Attachment (v2-0001-Stabilize-incremental-sort-estimation.patch) at 2024-09-23 13:02:57 from Andrei Lepikhov <lepihov at gmail.com> (Patch: Yes)
    Attachment (0001-Add-a-reference-to-the-expression-which-has-triggere.patch) at 2024-06-26 15:00:27 from Andrei Lepikhov <lepihov at gmail.com> (Patch: Yes)
History
When Who What
2025-05-15 11:03:16 Andrei Lepikhov (lepikhov) Attached mail thread ba0edc53-4b1f-4c67-92d1-29aeddb36a18@gmail.com
2025-05-15 11:03:16 Andrei Lepikhov (lepikhov) Created patch record
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