[jira] [Commented] (SPARK-28289) Convert and port 'union.sql' into UDF test base

[ https://issues.apache.org/jira/browse/SPARK-28289?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16881750#comment-16881750 ] Yiheng Wang commented on SPARK-28289: - Hi [~hyukjin.kwon], I'll be working on this.

[jira] [Commented] (SPARK-28289) Convert and port 'union.sql' into UDF test base

[ https://issues.apache.org/jira/browse/SPARK-28289?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16881763#comment-16881763 ] Hyukjin Kwon commented on SPARK-28289: -- Please go ahead. > Convert and port 'union

[jira] [Commented] (SPARK-28289) Convert and port 'union.sql' into UDF test base

[ https://issues.apache.org/jira/browse/SPARK-28289?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=1647#comment-1647 ] Yiheng Wang commented on SPARK-28289: - Here's the PR: [https://github.com/apache/sp