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Posted to dev@hive.apache.org by "Chaoyu Tang (JIRA)" <ji...@apache.org> on 2017/01/27 03:20:24 UTC
[jira] [Created] (HIVE-15742) Column stats should be preserved when
it is renamed
Chaoyu Tang created HIVE-15742:
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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.
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