[jira] [Created] (IOTDB-1886) Constant expression

[Zhong Wang (Jira)]

Zhong Wang created IOTDB-1886:
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             Summary: Constant expression
                 Key: IOTDB-1886
                 URL: https://issues.apache.org/jira/browse/IOTDB-1886
             Project: Apache IoTDB
          Issue Type: Improvement
          Components: Core/Engine
            Reporter: Zhong Wang


The query engine supports expression, but constants cannot be part of any 
expression. We should support the constant expression since it is a frequently 
used feature.



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