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executor: do not append extra cols to the old row when updateDupRow
(#33656)
#35165
executor: do not append extra cols to the old row when updateDupRow
(#33656)
#35165
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Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
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Signed-off-by: zyguan <zhongyangguan@gmail.com>
Signed-off-by: zyguan <zhongyangguan@gmail.com>
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@tiancaiamao @zimulala PTAL |
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This pull request has been accepted and is ready to merge. Commit hash: 1827286
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cherry-pick #33656 to release-5.3
You can switch your code base to this Pull Request by using git-extras:
# In tidb repo: git pr https://github.com/pingcap/tidb/pull/35165
After apply modifications, you can push your change to this PR via:
Signed-off-by: zyguan zhongyangguan@gmail.com
What problem does this PR solve?
Issue Number: close #33608
Problem Summary:
What is changed and how it works?
We append extra datums to the old row to resolve #14164 , however it breaks binlog. We need to prevent binlogRow from including those extra datums. This PR keep the old row unchanged and pass the extra cols info to
doDupRowUpdate
.Check List
Tests
Side effects
Documentation
Release note