Gopal V created HIVE-12945:
------------------------------
Summary: Bucket pruning: bucketing for -ve hashcodes have
historical issues
Key: HIVE-12945
URL: https://issues.apache.org/jira/browse/HIVE-12945
Project: Hive
Issue Type: Bug
Components: Tez
Affects Versions: 2.0.0
Reporter: Gopal V
Assignee: Gopal V
The different ETL pathways differed in reducer choice slightly for -ve
hashcodes.
{code}
(hashCode & Integer.MAX_VALUE) % numberOfBuckets;
!=
Math.abs(hashCode) % numberOfBuckets
{code}
Add a backwards compat option, which can be used to protect against old data
left over from 0.13.
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