Chengxiang Li created HIVE-11267: ------------------------------------ Summary: Combine equavilent leaf works in SparkWork[Spark Branch] Key: HIVE-11267 URL: https://issues.apache.org/jira/browse/HIVE-11267 Project: Hive Issue Type: Sub-task Components: Spark Reporter: Chengxiang Li Assignee: Chengxiang Li Priority: Minor
There could be multi leaf works in SparkWork, like self-union query. If the subqueries are same with each other, we may combine the subqueries, and just execute once, then fetch twice in FetchTask. -- This message was sent by Atlassian JIRA (v6.3.4#6332)