executor: fix BatchPoint leads to tidb panic when KeyPartition column is part of multi-column index

[jiyfhust]

What problem does this PR solve?

Issue Number: close #51313

Problem Summary:

Fix it reference point_get.

What changed and how does it work?

Check List

Tests

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

  • I checked and no code files have been changed.

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

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[tiprow]

Hi @jiyfhust. Thanks for your PR.

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[jiyfhust]

/ok-to-test

[codecov]

Codecov Report

Merging #51315 (82719a1) into master (b01942d) will increase coverage by 2.1094%.
The diff coverage is 100.0000%.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #51315        +/-   ##
================================================
+ Coverage   70.6856%   72.7951%   +2.1094%     
================================================
  Files          1462       1462                
  Lines        435275     435290        +15     
================================================
+ Hits         307677     316870      +9193     
+ Misses       108256      98457      -9799     
- Partials      19342      19963       +621     

Flag	Coverage Δ
integration	48.6545% <100.0000%> (?)
unit	70.4750% <60.0000%> (+0.0024%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
dumpling	53.9957% <ø> (ø)
parser	∅ <ø> (∅)
br	51.3912% <ø> (+5.5478%)	⬆️

[jiyfhust]

/test build

[tiprow]

@jiyfhust: The specified target(s) for /test were not found.
The following commands are available to trigger required jobs:

• /test tidb_parser_test
• /test tiprow_fast_test

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/test build

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[jiyfhust]

/cc @Defined2014 @mjonss

[Defined2014]

ref link #50210

[jiyfhust]

/cc @tiancaiamao

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-03-01 08:53:00.245376555 +0000 UTC m=+1211268.992999661: ☑️ agreed by Defined2014.
• 2024-03-04 09:00:54.743889136 +0000 UTC m=+71281.766135522: ☑️ agreed by mjonss.

[jiyfhust]

/hold

time="2024-03-04T17:18:40+08:00" level=error msg="1 tests failed\n"

time="2024-03-04T17:18:40+08:00" level=error msg="run test [executor/batch_point_get] err: sql:explain format='brief' select col1, col2, col3 from tkey where col1 = 1 and col2 = 'a' or col1 = 3 and col2 = 'c';: run \"explain format='brief' select col1, col2, col3 from tkey where col1 = 1 and col2 = 'a' or col1 = 3 and col2 = 'c';\" at line 114 err, we got \nexplain format='brief' select col1, col2, col3 from tkey where col1 = 1 and col2 = 'a' or col1 = 3 and col2 = 'c';\nid\testRows\ttask\taccess object\toperator info\nIndexLookUp\t2.00\troot\tpartition:p3\t\n├─IndexRangeScan(Build)\t2.00\tcop[tikv]\ttable:tkey, index:col1(col1, col2)\trange:[1 \"a\",1 \"a\"], [3 \"c\",3 \"c\"], keep order:false, stats:pseudo\n└─TableRowIDScan(Probe)\t2.00\tcop[tikv]\ttable:tkey\tkeep order:false, stats:pseudo\n\nbut read result err EOF"

[jiyfhust]

/test check-dev

[tiprow]

@jiyfhust: The specified target(s) for /test were not found.
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• /test tidb_parser_test

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[jiyfhust]

/test check-dev2

[tiprow]

@jiyfhust: The specified target(s) for /test were not found.
The following commands are available to trigger required jobs:

• /test fast_test_tiprow
• /test tidb_parser_test

Use /test all to run all jobs.

In response to this:

/test check-dev2

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[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Defined2014, mjonss

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[hawkingrei]

Please sync with the master branch.

[jiyfhust]

Please sync with the master branch.

Synced already.

[jiyfhust]

@tiancaiamao Can you remove the "/hod" lable after you appove this pr?

[jiyfhust]

@tiancaiamao Can you remove the "/hod" lable after you appove this pr?

/unhold

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.5: #53486.