Xiao Li created SPARK-12602:
-------------------------------
Summary: Join Reordering: Pushing Inner Join Through Outer Join
Key: SPARK-12602
URL: https://issues.apache.org/jira/browse/SPARK-12602
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 1.6.0
Reporter: Xiao Li
Priority: Critical
If applicable, we can push Inner Join through Outer Join. This can reduce the
number of rows since the Inner Join always can generate less rows than Outer
Join.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
