Jiarong Wei created CALCITE-1424:
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Summary: Invalid column type in DruidConnectionImpl
Key: CALCITE-1424
URL: https://issues.apache.org/jira/browse/CALCITE-1424
Project: Calcite
Issue Type: Bug
Components: druid
Reporter: Jiarong Wei
Assignee: Julian Hyde
Currently the supported column types in Druid adapter are: {{LONG}},
{{DOUBLE}}, {{STRING}} and {{hyperUnique}}
There's no clue to show Druid has {{DOUBLE}} as its column type. But instead it
should be {{FLOAT}} as mentioned in [Druid
Documentation|http://druid.io/docs/latest/querying/segmentmetadataquery.html]:
bq. Dimension columns will have type STRING. Metric columns will have type
FLOAT or LONG or name of the underlying complex type such as hyperUnique in
case of COMPLEX metric. Timestamp column will have type LONG.
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