Julian Hyde created CALCITE-1348:
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Summary: In Druid adapter, adjust how SegmentMetadataQuery is used
to detect types
Key: CALCITE-1348
URL: https://issues.apache.org/jira/browse/CALCITE-1348
Project: Calcite
Issue Type: Bug
Reporter: Julian Hyde
Assignee: Julian Hyde
In Druid adapter, adjust how SegmentMetadataQuery is used to detect types:
* Use "columns" for fields, use "aggregators" for metricNames.
* Ask Druid for lenient aggregator merging.
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