mirror of https://github.com/apache/druid.git
5794331eb1
As part of #12078 one of the followup's was to have a specific config which does not allow accidental unnesting of multi value columns if such columns become part of the grouping key. Added a config groupByEnableMultiValueUnnesting which can be set in the query context. The default value of groupByEnableMultiValueUnnesting is true, therefore it does not change the current engine behavior. If groupByEnableMultiValueUnnesting is set to false, the query will fail if it encounters a multi-value column in the grouping key. |
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