fix a bug that nullable unique index can not find null values using index. (#7163) #7172
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winkyao
added
type/bugfix
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/run-all-tests tidb-test=release-2.0 tikv=release-2.0 pd=release-2.0 tidb-private-test=release-2.0 |
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/run-all-tests tikv=release-2.0 tidb-test=release-2.0 |
zimulala
added
status/LGT2
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What have you changed? (mandatory)
Cherry-pick from #7163
What is the type of the changes? (mandatory)
How has this PR been tested? (mandatory)
ut
Does this PR affect documentation (docs/docs-cn) update? (mandatory)
no
Does this PR affect tidb-ansible update? (mandatory)
no
Does this PR need to be added to the release notes? (mandatory)
no
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