[ https://issues.apache.org/jira/browse/SPARK-16849?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Liang-Chi Hsieh updated SPARK-16849: ------------------------------------ Comment: was deleted (was: Design doc v1) > Improve subquery execution by deduplicating the subqueries with the same > results > -------------------------------------------------------------------------------- > > Key: SPARK-16849 > URL: https://issues.apache.org/jira/browse/SPARK-16849 > Project: Spark > Issue Type: Improvement > Components: SQL > Reporter: Liang-Chi Hsieh > Attachments: de-duplicating subqueries.pdf > > > The subqueries in SparkSQL will be run even they have the same physical plan > and output same results. We should be able to deduplicate these subqueries > which are referred in a query for many times. -- 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