Zoltan Haindrich created HIVE-18105: ---------------------------------------
Summary: Aggregation of an empty set doesn't pass constants to the UDAF Key: HIVE-18105 URL: https://issues.apache.org/jira/browse/HIVE-18105 Project: Hive Issue Type: Sub-task Reporter: Zoltan Haindrich the groupbyoperator's logic for firstrow passes {{null}} for all parameters. see here: {here|https://github.com/apache/hive/blob/39d46e8af5a3794f7395060b890f94ddc84516e7/ql/src/java/org/apache/hadoop/hive/ql/exec/GroupByOperator.java#L1116} this could obstruct {{compute_stats}} operations because it has a constant argument. -- This message was sent by Atlassian JIRA (v6.4.14#64029)