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coprocessor: fix the indexlookup push down local lookup range may exceeds the region end (#19216)#19217

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coprocessor: fix the indexlookup push down local lookup range may exceeds the region end (#19216)#19217
ti-chi-bot wants to merge 1 commit intotikv:release-8.5from
ti-chi-bot:cherry-pick-19216-to-release-8.5

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@ti-chi-bot ti-chi-bot commented Dec 17, 2025

This is an automated cherry-pick of #19216

What is changed and how it works?

Issue Number: Close #19215

What's Changed:

The int handle will use the `convert_to_prefix_next` as the end of the point-get range. However, the prefix next may exceeds the region end. In the previous implementation, at this time we use the region end as the table scan range end. However, the region range end is in MVCC format, we must decode it to raw format first.

Related changes

  • PR to update pingcap/docs/pingcap/docs-cn:
  • Need to cherry-pick to the release branch

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

Release note

None

@lcwangchao @ti-chi-bot
coprocessor: fix the indexlookup push down local lookup range may exc…
a4e4fbb 
…eeds the region end

Signed-off-by: Chao Wang <cclcwangchao@hotmail.com>
@ti-chi-bot ti-chi-bot added contribution This PR is from a community contributor. dco-signoff: yes Indicates the PR's author has signed the dco. ok-to-test Indicates a PR is ready to be tested. release-note-none Denotes a PR that doesn't merit a release note. size/S Denotes a PR that changes 10-29 lines, ignoring generated files. type/cherry-pick-for-release-8.5 This PR is cherry-picked to release-8.5 from a source PR. labels Dec 17, 2025
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[APPROVALNOTIFIER] This PR is NOT APPROVED

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@ti-chi-bot: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

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lcwangchao commented Dec 17, 2025

use #19218 instead

@ti-chi-bot ti-chi-bot bot added cherry-pick-approved Cherry pick PR approved by release team. and removed do-not-merge/cherry-pick-not-approved labels Dec 17, 2025
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ekexium commented Dec 19, 2025

Already picked in another PR

@ekexium ekexium closed this Dec 19, 2025
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cherry-pick-approved Cherry pick PR approved by release team. contribution This PR is from a community contributor. dco-signoff: yes Indicates the PR's author has signed the dco. ok-to-test Indicates a PR is ready to be tested. release-note-none Denotes a PR that doesn't merit a release note. size/S Denotes a PR that changes 10-29 lines, ignoring generated files. type/cherry-pick-for-release-8.5 This PR is cherry-picked to release-8.5 from a source PR.

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