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https://issues.apache.org/jira/browse/HIVE-1387?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vaibhav Aggarwal updated HIVE-1387:
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Attachment: patch-1387.patch
I have created a patch which fixes the Hive user defined aggregation function
"percentile" to work for double data type and to throw a meaningful exception
when the input is out of range.
The patch does the following:
1. Uses DoubleWritable instead of LongWritable to work for both int and double
data types.
2. The percentile function expects the input to be in the range 0.0 to 1.0. The
patch modifies the code to throw a UDFArgumentTypeException when the input is
out of range.
> Make PERCENTILE work with double data type
> ------------------------------------------
>
> Key: HIVE-1387
> URL: https://issues.apache.org/jira/browse/HIVE-1387
> Project: Hadoop Hive
> Issue Type: Improvement
> Reporter: Vaibhav Aggarwal
> Attachments: patch-1387.patch
>
>
> The PERCENTILE UDAF does not work with double datatype.
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