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[WIP]#10981

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JaySon-Huang wants to merge 4 commits into
pingcap:masterfrom
JaySon-Huang:jayson/trim_datetime_minmax_index
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[WIP]#10981
JaySon-Huang wants to merge 4 commits into
pingcap:masterfrom
JaySon-Huang:jayson/trim_datetime_minmax_index

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@JaySon-Huang

@JaySon-Huang JaySon-Huang commented Jul 15, 2026

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What problem does this PR solve?

Issue Number: close #xxx

Problem Summary:

What is changed and how it works?

Check List

Tests

  • Unit test
  • Integration test
  • Manual test (add detailed scripts or steps below)
  • No code

Side effects

  • Performance regression: Consumes more CPU
  • Performance regression: Consumes more Memory
  • Breaking backward compatibility

Documentation

  • Affects user behaviors
  • Contains syntax changes
  • Contains variable changes
  • Contains experimental features
  • Changes MySQL compatibility

Release note

None

@JaySon-Huang
Add tuned proposal
a7a699d 
Signed-off-by: JaySon-Huang <tshent@qq.com>
@JaySon-Huang
Implement Phase A of trim min-max index format and compatibility.
408412d 
Add ColumnStat field 105, pack-mark accessors, trim subfile naming, and
default-off read/write settings so Readers can safely ignore or fall back
without changing ordinary min-max behavior.
@JaySon-Huang
Implement Phase B write path for trim min-max index.
52c0692 
Build ordinary and trim indexes in one pack scan for V3 MyDate/MyDateTime
columns, and persist .trim.idx only when trimmed outliers exist.
@JaySon-Huang
Implement Phase C query-domain and trim read path.
dd5bd76 
Normalize temporal ranges into DateRange, select trim indexes per DMFile stored E, and apply conservative low/high flag corrections in roughCheck.
@ti-chi-bot

ti-chi-bot Bot commented Jul 15, 2026

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Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

@ti-chi-bot

ti-chi-bot Bot commented Jul 15, 2026

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[FORMAT CHECKER NOTIFICATION]

Notice: To remove the do-not-merge/needs-linked-issue label, please provide the linked issue number on one line in the PR body, for example: Issue Number: close #123 or Issue Number: ref #456.

📖 For more info, you can check the "Contribute Code" section in the development guide.

@ti-chi-bot ti-chi-bot Bot added do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. release-note-none Denotes a PR that doesn't merit a release note. labels Jul 15, 2026
@ti-chi-bot

ti-chi-bot Bot commented Jul 15, 2026

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[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by:
Once this PR has been reviewed and has the lgtm label, please assign lidezhu, likidu for approval. For more information see the Code Review Process.
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@coderabbitai

coderabbitai Bot commented Jul 15, 2026

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@ti-chi-bot ti-chi-bot Bot added the size/XXL Denotes a PR that changes 1000+ lines, ignoring generated files. label Jul 15, 2026
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