[jira] [Updated] (SPARK-16726) Improve error message for `Union` queries on incompatible types

[ https://issues.apache.org/jira/browse/SPARK-16726?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Dongjoon Hyun updated SPARK-16726: -- Description: Currently, `UNION` query on incompatible types shows a misleading error message,

[jira] [Updated] (SPARK-16726) Improve error message for `Union` queries on incompatible types

[ https://issues.apache.org/jira/browse/SPARK-16726?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Dongjoon Hyun updated SPARK-16726: -- Summary: Improve error message for `Union` queries on incompatible types (was: Improve error