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  1. Calcite
  2. CALCITE-374

NOT EXISTS and semi-anti-join

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

      EXISTS can be converted to a SemiJoin via RelDecorrelator and the SemiJoinRule. NOT EXISTS currently requires access to the boolean "indicator column", therefore the SemiJoinRule does not work.

      We need to add a 'boolean negate' member to SemiJoinRel, and fix up SemiJoinRule to generate it.

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        relates to

        Bug - A problem which impairs or prevents the functions of the product. CALCITE-328 Introduce semi-join-like flag in JoinRelBase

        • Major - Major loss of function.
        • Open

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            Unassigned Unassigned
            julianhyde Julian Hyde
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              Updated:

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