[HIVE-1743] Group-by to determine equals of Keys in reverse order - ASF JIRA

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Type: Improvement
Status: Closed
Priority: Minor
Resolution: Fixed
Affects Version/s: None
Fix Version/s: 0.7.0
Component/s: None
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Description

When processing group-by, in reduce side, keys are ordered. Comparing equality of two keys can be more efficient in reverse order.

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HIVE-1743.1.patch
09/Nov/10 01:14
4 kB
Siying Dong

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Assignee:: Siying Dong

Reporter:: Siying Dong

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Dates

Created:: 22/Oct/10 21:38

Updated:: 16/Dec/11 23:59

Resolved:: 11/Nov/10 04:22