[GitHub] QiuMM opened a new issue #6578: can not infer which one is the count aggregator from segment metadata query result

[GitBox <gi...@apache.org>]

QiuMM opened a new issue #6578: can not infer which one is the count aggregator from segment metadata query result
URL: https://github.com/apache/incubator-druid/issues/6578
 
 
   In `IncrementalIndex`  use `combiningAggregators`  to construct the `Metadata`, and the `CountAggregatorFactory`'s combining factory is  the `LongSumAggregatorFactory`. So when I post a segment metadata query, I can not infer which one is the count aggregator from the query result. Count aggregator info is important for me. Maybe  adding a field  in the `LongSumAggregatorFactory` to mark whether the original aggregator factory is `CountAggregatorFactory` or not. 

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