[jira] [Commented] (SPARK-33871) Cannot access to column after left semi join and left join

2020-12-29 Thread Hyukjin Kwon (Jira)
[ https://issues.apache.org/jira/browse/SPARK-33871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17255978#comment-17255978 ] Hyukjin Kwon commented on SPARK-33871: -- +1 for [~viirya]'s advice here. > Cannot access to column

[jira] [Commented] (SPARK-33871) Cannot access to column after left semi join and left join

2020-12-23 Thread L. C. Hsieh (Jira)
[ https://issues.apache.org/jira/browse/SPARK-33871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17254224#comment-17254224 ] L. C. Hsieh commented on SPARK-33871: - For self-join, Spark will add alias to ambiguous columns in