[jira] [Commented] (SPARK-20545) union set operator should default to DISTINCT and not ALL semantics

[ https://issues.apache.org/jira/browse/SPARK-20545?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15997845#comment-15997845 ] Xiao Li commented on SPARK-20545: - Please reopen it if you still hit this issue. Thanks! > union set

[jira] [Commented] (SPARK-20545) union set operator should default to DISTINCT and not ALL semantics

[ https://issues.apache.org/jira/browse/SPARK-20545?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15997843#comment-15997843 ] Xiao Li commented on SPARK-20545: - You can try {noformat} select 3 as `col` union select 3 as `col`