Shreepadma Venugopalan created HIVE-3526:
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Summary: Column Statistics - Add support for equi-height
histograms on numeric columns
Key: HIVE-3526
URL: https://issues.apache.org/jira/browse/HIVE-3526
Project: Hive
Issue Type: Bug
Components: Statistics
Affects Versions: 0.10.0
Reporter: Shreepadma Venugopalan
Assignee: Shreepadma Venugopalan
This JIRA covers the task of adding support for equi-height histograms on
numeric columns in Hive tables and partitions. This task involves a)
implementing a UDAF to compute equi-height histograms on numeric columns, b)
persisting the histogram to the metastore along with other column statistics ,
c) enhancing the thrift api to retrieve the histogram along with the other
statistics and d) extending the grammar of ANALYZE to allow the user to request
histograms and specify the number of bins.
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