Yash Datta created SPARK-11878: ---------------------------------- Summary: Eliminate distribute by in case group by is present with exactly the same grouping expressions Key: SPARK-11878 URL: https://issues.apache.org/jira/browse/SPARK-11878 Project: Spark Issue Type: Improvement Components: SQL Reporter: Yash Datta Priority: Minor
For queries like : select <> from table group by a distribute by a we can eliminate distribute by ; since group by will anyways do a hash partitioning Also applicable when user uses Dataframe API but the number of partitions in RepartitionByExpression is not specified (None) -- 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