[jira] [Updated] (SPARK-13797) Eliminate Unnecessary Window

2016-03-11 Thread Sean Owen (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-13797?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Sean Owen updated SPARK-13797: -- Assignee: Xiao Li > Eliminate Unnecessary Window > > >

[jira] [Updated] (SPARK-13797) Eliminate Unnecessary Window

2016-03-09 Thread Xiao Li (JIRA)
[ https://issues.apache.org/jira/browse/SPARK-13797?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Xiao Li updated SPARK-13797: Description: If the Window does not have any window expression, it is useless. It might happen after