Description
We want that multijoin optimization in SemanticAnalyzer always kicks in when CBO is enabled (if possible). For that, we may need to swap the join inputs when we return from CBO through the Hive AST.
Attachments
Attachments
Issue Links
- is required by
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HIVE-11110 Reorder applyPreJoinOrderingTransforms, add NotNULL/FilterMerge rules, improve Filter selectivity estimation
- Closed