Vineet Garg created HIVE-20842: ---------------------------------- Summary: Fix logic introduced in HIVE-20660 to estimate statistics for group by Key: HIVE-20842 URL: https://issues.apache.org/jira/browse/HIVE-20842 Project: Hive Issue Type: Bug Components: Statistics Affects Versions: 4.0.0 Reporter: Vineet Garg Assignee: Vineet Garg
HIVE-20660 introduced better estimation for group by operator. But the logic did not account for Partial and Full group by separately. For partial group by parallelism (i.e. number of tasks) should be taken into account. -- This message was sent by Atlassian JIRA (v7.6.3#76005)