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Posted to commits@druid.apache.org by GitBox <gi...@apache.org> on 2019/01/22 00:18:44 UTC

[GitHub] gianm commented on issue #6887: Unable to determine column type from INFORMATION_SCHEMA.COLUMNS

gianm commented on issue #6887: Unable to determine column type from INFORMATION_SCHEMA.COLUMNS
URL: https://github.com/apache/incubator-druid/issues/6887#issuecomment-456230568
 
 
   That's true, currently the SQL metadata doesn't tell you whether something was ingested as a dimension or a metric. The SegmentMetadataQuery should, though. It tells you column types and aggregator specs if you ask for them via analysisTypes. For data ingested in relatively recent versions of Druid, it's safe to assume that anything with an aggregator spec is a metric (and anything without is a dimension).

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