Zoltan Haindrich created HIVE-25780:
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Summary: DistinctExpansion creates more than 64 grouping sets II
Key: HIVE-25780
URL: https://issues.apache.org/jira/browse/HIVE-25780
Project: Hive
Issue Type: Bug
Reporter: Zoltan Haindrich
Assignee: Zoltan Haindrich
HIVE-25498 have fixed this when there are only count(distinct x) queries.
however after the rewrite happens grouping sets are used to handle group by
columns as well
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