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Posted to commits@druid.apache.org by GitBox <gi...@apache.org> on 2019/03/18 20:44:08 UTC
[GitHub] [incubator-druid] leventov commented on issue #7243:
stringFirst/stringLast crashes at aggregation time
leventov commented on issue #7243: stringFirst/stringLast crashes at aggregation time
URL: https://github.com/apache/incubator-druid/issues/7243#issuecomment-474093212
The problem is that `StringFirstFoldingAggregatorFactory` and `StringLastFoldingAggregatorFactory` have improper `makeAggregateCombiner()` implementations. They inherit `makeAggregateCombiner()` from `StringFirstAggregatorFactory` and `StringLastAggregatorFactory`, which is wrong.
Related to #6039.
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