[jira] [Commented] (SPARK-13249) Filter null keys for inner join
[ https://issues.apache.org/jira/browse/SPARK-13249?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15192723#comment-15192723 ] Liang-Chi Hsieh commented on SPARK-13249: - I think this can be closed? > Filter null keys for inner join > --- > > Key: SPARK-13249 > URL: https://issues.apache.org/jira/browse/SPARK-13249 > Project: Spark > Issue Type: Improvement > Components: SQL >Reporter: Davies Liu > > For inner join, the join key with null in it will not match each other, so we > could insert a Filter before inner join (could be pushed down), then we don't > need to check nullability of keys while joining. -- 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
[jira] [Commented] (SPARK-13249) Filter null keys for inner join
[ https://issues.apache.org/jira/browse/SPARK-13249?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15149986#comment-15149986 ] Apache Spark commented on SPARK-13249: -- User 'viirya' has created a pull request for this issue: https://github.com/apache/spark/pull/11235 > Filter null keys for inner join > --- > > Key: SPARK-13249 > URL: https://issues.apache.org/jira/browse/SPARK-13249 > Project: Spark > Issue Type: Improvement > Components: SQL >Reporter: Davies Liu > > For inner join, the join key with null in it will not match each other, so we > could insert a Filter before inner join (could be pushed down), then we don't > need to check nullability of keys while joining. -- 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
