[ https://issues.apache.org/jira/browse/SPARK-16456?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Lianhui Wang updated SPARK-16456: --------------------------------- Summary: Reuse the uncorrelated scalar subqueries with the same logical plan in a query (was: Reuse the uncorrelated scalar subqueries with with the same logical plan in a query) > Reuse the uncorrelated scalar subqueries with the same logical plan in a query > ------------------------------------------------------------------------------ > > Key: SPARK-16456 > URL: https://issues.apache.org/jira/browse/SPARK-16456 > Project: Spark > Issue Type: Improvement > Components: SQL > Reporter: Lianhui Wang > > In TPCDS Q14, the same physical plan of uncorrelated scalar subqueries from a > CTE could be executed multiple times, we should re-use the same result to > avoid the duplicated computing on the same uncorrelated scalar subquery. -- 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