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  1. Calcite
  2. CALCITE-328

Introduce semi-join-like flag in JoinRelBase

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Details

    • Bug
    • Status: Open
    • Major
    • Resolution: Unresolved
    • None
    • None
    • None
    • 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.

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          is duplicated by

          New Feature - A new feature of the product, which has yet to be developed. CALCITE-329 Three-quarter-join: Add flag to JoinRelBase that indicates it should eliminate duplicates on right

          • Major - Major loss of function.
          • Closed
          is related to

          Bug - A problem which impairs or prevents the functions of the product. CALCITE-374 NOT EXISTS and semi-anti-join

          • Major - Major loss of function.
          • Open

          Bug - A problem which impairs or prevents the functions of the product. CALCITE-368 Add SemiJoinRule, planner rule to convert project-join-aggregate into semi-join

          • Major - Major loss of function.
          • Closed

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              Unassigned Unassigned
              jpullokkaran Laljo John Pullokkaran
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              Dates

                Created:
                Updated: