executor: fix point_get result on clustered index when new-row-format disabled but new-collation enabled (#24544) #24611
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Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
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cherry-pick #24544 to release-5.0
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# In tidb repo: git pr https://github.com/pingcap/tidb/pull/24611After apply modifications, you can push your change to this PR via:
What problem does this PR solve?
Issue Number: close #24541
Problem Summary:
Point-Get will directly decode row to chunk
but the code path for "decode row to chunk" doesn't handle new collation correctly for handle columns.
What is changed and how it works?
What's Changed, How it Works:
check NeedRestoredData before try to use handle's datum.
Related changes
Check List
Tests
Side effects
Release note