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  1. Kylin
  2. KYLIN-2681

Convert input sql's expression to computed column if computed colum defined

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    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: v2.0.0
    • Fix Version/s: Future
    • Component/s: Query Engine
    • Labels:
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      Description

      convert user's input sql's expression to computed column if computed column already defined.For example :
      define computed column:
      cc1:a*b+c

      user's input sql
      select t1.a*t1.b+t1.c from table1 t1

      and then will be tranformed to:
      select t1.cc1 from table1 t1

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            • Assignee:
              Aron.tao Jiatao Tao
              Reporter:
              Aron.tao Jiatao Tao
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              • Created:
                Updated:
                Resolved: