[jira] [Commented] (SPARK-23210) Introduce the concept of default value to schema

[ https://issues.apache.org/jira/browse/SPARK-23210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16507439#comment-16507439 ] Xiao Li commented on SPARK-23210: - This is being considered. Thanks for submitting this

[jira] [Commented] (SPARK-23210) Introduce the concept of default value to schema

[ https://issues.apache.org/jira/browse/SPARK-23210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16338675#comment-16338675 ] LvDongrong commented on SPARK-23210: Can we set the default value to be null, like