[jira] [Assigned] (SPARK-12335) CentralMomentAgg should be nullable
[ https://issues.apache.org/jira/browse/SPARK-12335?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Davies Liu reassigned SPARK-12335: -- Assignee: Davies Liu (was: Apache Spark) > CentralMomentAgg should be nullable >
[jira] [Assigned] (SPARK-12335) CentralMomentAgg should be nullable
[ https://issues.apache.org/jira/browse/SPARK-12335?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Apache Spark reassigned SPARK-12335: Assignee: Apache Spark (was: Cheng Lian) > CentralMomentAgg should be nullable >