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  1. Kylin
  2. KYLIN-2635

optimize determined case when filters

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    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: v2.0.0
    • Component/s: None
    • Labels:
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      Description

      currently calcite will not handle with determined filter like:

      1. where 1 = 1 => where true
      2. where ( 1= 1 or x = 2) => where true
      3. where case when 'a' = 'a' then x > 1 else x < 1 => where x > 1

      the first two cases have been handled in KYLIN-2539, however the third case is not handled yet. This JIRA is to track the third case.

      In theory, this JIRA together with KYLIN-2539, KYLIN-2597 should be solved in calcite rather than KYLIN. However it's urgent demand so we'll fix in KYLIN first.

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            • Assignee:
              mahongbin Hongbin Ma
              Reporter:
              mahongbin Hongbin Ma
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              • Created:
                Updated:
                Resolved: