planner: fix incorrect result for != all (subq) (#19576)
#19831
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Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
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/run-all-tests |
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/run-sqllogic-test-1 |
AilinKid
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Sep 9, 2020
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cherry-pick #19576 to release-4.0
What problem does this PR solve?
Issue Number: close #19423
Problem Summary:
Incorrect result returned a kind of anti-semi-join.
What is changed and how it works?
What's Changed:
One kind of cases are fixed by #19472, but another kind of anti-semi-joins built from
!= all (subq)still have problems.How it Works:
Make a copy of
Columnbefore modifyingInOperand.Related changes
Check List
Tests
Side effects
N/A
Release note
!= all (subq).