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Posted to notifications@iotdb.apache.org by "liaolanyu (Jira)" <ji...@apache.org> on 2022/10/17 02:13:00 UTC

[jira] [Created] (IOTDB-4663) Survey of how StarRocks/ClickHouse deal with sub-expressions

liaolanyu created IOTDB-4663:
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             Summary: Survey of how StarRocks/ClickHouse deal with sub-expressions
                 Key: IOTDB-4663
                 URL: https://issues.apache.org/jira/browse/IOTDB-4663
             Project: Apache IoTDB
          Issue Type: Improvement
          Components: Core/Query
            Reporter: liaolanyu
            Assignee: liaolanyu


Currently, we distinguish expressions by its expressionString and it is not elegant enough ,perhaps. We should look into other Column-Based database and find out how they deal with such situations. 



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