Lianhui Wang created SPARK-16456: ------------------------------------ Summary: Reuse the uncorrelated scalar subqueries with 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