Liang-Chi Hsieh created SPARK-6466: -------------------------------------- Summary: Remove unnecessary attributes when resolving GroupingSets Key: SPARK-6466 URL: https://issues.apache.org/jira/browse/SPARK-6466 Project: Spark Issue Type: Improvement Components: SQL Reporter: Liang-Chi Hsieh Priority: Minor
When resolving GroupingSets, we currently list all outputs of GroupingSets's child plan. However, the columns that are not in groupBy expressions and not used by aggregation expressions are unnecessary and can be removed. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org