executor: fix admin cleanup index for non-unique handles in a unique index #7248
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jackysp
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Aug 2, 2018
…index (pingcap#7248) * fix one handle to multi unique indices
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What have you changed? (mandatory)
When we need to delete darling indices, we can not assume the unique darling indices have the unique handles as its values. It means if the darling indices look like:
we can delete the last one only. This pr fix it.
What is the type of the changes? (mandatory)
How has this PR been tested? (mandatory)
Unit test.
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)
release note:
Fix a corner case of
ADMIN CLEANUP INDEXwhen dealing with a unique index.PTAL @coocood @winkyao