[ https://issues.apache.org/jira/browse/SPARK-13771?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Liang-Chi Hsieh resolved SPARK-13771. ------------------------------------- Resolution: Won't Fix > Eliminate child of project if the project with no references to its child > ------------------------------------------------------------------------- > > Key: SPARK-13771 > URL: https://issues.apache.org/jira/browse/SPARK-13771 > Project: Spark > Issue Type: Improvement > Components: SQL > Reporter: Liang-Chi Hsieh > Priority: Minor > > This is a corner case that a Project node can have no references to its > child. E.g., > {code} > val input = LocalRelation('key.int, 'value.string) > Project(Literal(1).as("1") :: Nil, input) > {code} > We can actually replace the input with a dummy OneRowRelation. -- 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