planner, expression: fix a bug causes schema change after DML (#21027) #21050
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Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
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type/bugfix
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@you06 you're already a collaborator in bot's repo. |
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@you06 you're already a collaborator in bot's repo. |
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@you06 please accept the invitation then you can push to the cherry-pick pull requests. |
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Nov 17, 2020
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cherry-pick #21027 to release-4.0
Signed-off-by: wjhuang2016 huangwenjun1997@gmail.com
What problem does this PR solve?
Issue Number: close #19701
Problem Summary:
schema change after DML
What is changed and how it works?
Copy the fieldType
Related changes
pingcap/docs/pingcap/docs-cn:Check List
Tests
Side effects
Release note