executor, planner: ON DUPLICATE UPDATE can refer to un-project col (#14412) #22233
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Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
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cherry-pick #14412 to release-4.0
What problem does this PR solve?
Issue Number: to fix #14164
What is changed and how it works?
What's Changed:
MySQL can get the column though it's not in the insert's SELECT stmt.
To solve this, i add the possible column to select's project result.
It's ugly in fact.
Related changes
Check List
Tests
Release note