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  1. Calcite
  2. CALCITE-1130

Add unary operator support for IS_NULL and IS_NOT_NULL to RexImplicationChecker

    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 1.7.0
    • Component/s: None
    • Labels:
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      Description

      Currently we support only SQL Comparison operators (SqlKind.COMPARE) for checking if one predicate implies another using RexImplicationChecker.
      We would like to extend it for couple of Unary operators based on user request ( CALCITE-1104): IS_NULL and IS_NOT_NULL

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            • Assignee:
              julianhyde Julian Hyde
              Reporter:
              amargoor Amogh Margoor
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