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Posted to notifications@iotdb.apache.org by "Steve Yurong Su (Jira)" <ji...@apache.org> on 2021/06/01 14:48:00 UTC

[jira] [Created] (IOTDB-1413) Unify the data structures of arithmetic expressions and logical expressions

Steve Yurong Su created IOTDB-1413:
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             Summary: Unify the data structures of arithmetic expressions and logical expressions
                 Key: IOTDB-1413
                 URL: https://issues.apache.org/jira/browse/IOTDB-1413
             Project: Apache IoTDB
          Issue Type: Sub-task
            Reporter: Steve Yurong Su


Currently, arithmetic expressions and logical expressions do not share the same root expression class.
 
Arithmetic expression classes are inherited from org.apache.iotdb.db.query.expression.Expression.
Logical expressions classes are inherited from org.apache.iotdb.tsfile.read.expression.IExpression.
 
If we want to support arithmetic expressions in WHERE clauses, they must have the same class inheritance.



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