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https://issues.apache.org/jira/browse/HIVE-14466?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jesus Camacho Rodriguez resolved HIVE-14466.
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Resolution: Fixed
Fix Version/s: 2.2.0
Pushed with HIVE-14217.
> 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
> Fix For: 2.2.0
>
>
> 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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