Currently, EnumerableMergeJoin only supports INNER joins. The goal of this ticket is to improve this join operator in order to support SEMI joins too.
Note: RelMdCollation#mergeJoin will need to be modified too: in case of SEMI join, it must return just the leftCollations.
- is blocked by
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CALCITE-3285 EnumerableMergeJoin should support non-equi join conditions
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- Closed
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- is related to
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CALCITE-3834 Support AntiJoin in EnumerableMergeJoin
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- Open
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- links to
