Chaoyu Tang created HIVE-15742: ---------------------------------- Summary: Column stats should be preserved when it is renamed Key: HIVE-15742 URL: https://issues.apache.org/jira/browse/HIVE-15742 Project: Hive Issue Type: Improvement Components: Statistics Reporter: Chaoyu Tang Assignee: Chaoyu Tang
Currently, when a column is renamed, its stats is delete. Recreating it could be expensive and we need preserve it if possible. -- This message was sent by Atlassian JIRA (v6.3.4#6332)