planner: disable collate clause support for enum or set column (#35684) #35730
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cherry-pick #35684 to release-6.0
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# In tidb repo: git pr https://github.com/pingcap/tidb/pull/35730
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Signed-off-by: wjhuang2016 [email protected]
What problem does this PR solve?
Issue Number: close #31637
Problem Summary:
We can't cast enum or set currently, there is no way to implement collate clause support for enum or set column.
So this PR makes TiDB returns an error instead of panic.
What is changed and how it works?
Return an error.
Check List
Tests
Side effects
Documentation
Release note
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