Details
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Bug
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Status: Open
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Major
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Resolution: Unresolved
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None
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None
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None
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None
Description
Introduce a flag to indicate that duplicates are eliminated from RHS of the join (semiJoin). This would help to improve cardinality, cost estimation.
Attachments
Attachments
Issue Links
- is duplicated by
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CALCITE-329 Three-quarter-join: Add flag to JoinRelBase that indicates it should eliminate duplicates on right
- Closed
- is related to
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CALCITE-374 NOT EXISTS and semi-anti-join
- Open
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CALCITE-368 Add SemiJoinRule, planner rule to convert project-join-aggregate into semi-join
- Closed