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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