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https://issues.apache.org/jira/browse/HIVE-357?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Carl Steinbach updated HIVE-357:
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Component/s: UDF
> Add order-sensitive and order-insensitive hashing aggregation functions (UDAF)
> ------------------------------------------------------------------------------
>
> Key: HIVE-357
> URL: https://issues.apache.org/jira/browse/HIVE-357
> Project: Hive
> Issue Type: New Feature
> Components: Query Processor, UDF
> Reporter: Zheng Shao
> Assignee: Zheng Shao
>
> In order to test whether a new version of Hive produces exactly the same
> result as an order version, we usually want to run a bunch of big queries as
> well as small queries.
> It's hard to compare the result of big queries, but if we have a hashing
> aggregation function, we can just aggregate the result of big queries and
> compare the single number.
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