Prasanth J created HIVE-7734:
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Summary: Join stats annotation rule is not updating columns
statistics correctly
Key: HIVE-7734
URL: https://issues.apache.org/jira/browse/HIVE-7734
Project: Hive
Issue Type: Sub-task
Affects Versions: 0.14.0
Reporter: Prasanth J
Assignee: Prasanth J
HIVE-7679 is not doing the correct thing. The scale down/up factor updating
column stats was wrong as ratio = newRowCount/oldRowCount is always infinite
(oldRowCount = 0). The old row count should be retrieved from parent
corresponding to the current column whose statistics is being updated.
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