planner: generate proper hint for IndexHashJoin / IndexMergeJoin (#20992) #21020
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cherry-pick #20992 to release-4.0
What problem does this PR solve?
Issue Number: close #20991
Problem Summary:
The join hint generated by
explain format = 'hint'
would not work if the join is index hash join or index merge join.What is changed and how it works?
What's Changed:
inl_merge_join
/inl_hash_join
TableOptimizerHint;Related changes
Check List
Tests
Side effects
N/A
Release note