Jesus Camacho Rodriguez created HIVE-14466:
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Summary: Extend Calcite capabilities to transform plan into Druid
query
Key: HIVE-14466
URL: https://issues.apache.org/jira/browse/HIVE-14466
Project: Hive
Issue Type: Sub-task
Components: Druid integration
Affects Versions: 2.2.0
Reporter: Jesus Camacho Rodriguez
Assignee: Jesus Camacho Rodriguez
Leverage the existing code in Calcite (CALCITE-1121) to push operators into
DruidQuery. Currently Project, Filter, and Aggregate operators can be pushed,
and Druid Select and GroupBy queries are recognized. However, other query types
such as Timeseries and TopN, which are known to be Druid greater assets, are
not recognized as such.
Hence, we should extend the Calcite based code to push operators into
DruidQuery (Scan) that can lead to the recognition of these query types.
Further, we need to extend the logic to transform a DruidQuery containing a
complex plan into a JSON query formatted for Druid.
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