Alima777 created IOTDB-1522:
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Summary: Optimize the construction process of the query result set
header
Key: IOTDB-1522
URL: https://issues.apache.org/jira/browse/IOTDB-1522
Project: Apache IoTDB
Issue Type: Improvement
Reporter: Alima777
At present, the header construction logic of the query result set is chaotic.
For example, ordinary query, aggregate query with level, align by device query
and last query all have their own processing logic. In addition, some result
set headers need to be constructed before the result set is initialized. Some
choose to construct after the result set because the initialization of the
result set will affect the header elements (column name and column data type).
The structure is confusing and poor maintainability., changing a sequence of
code will lead to errors.
We hope to adopt a unified calling interface on the upper layer for the headers
constructed.
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