Ankur updated PIG-732:
> Utility UDFs
> Key: PIG-732
> URL: https://issues.apache.org/jira/browse/PIG-732
> Project: Pig
> Issue Type: New Feature
> Reporter: Ankur
> Priority: Minor
> Attachments: udf.v1.patch, udf.v2.patch
> Two utility UDFs and their respective test cases.
> 1. TopN - Accepts number of tuples (N) to retain in output, field number
> (type long) to use for comparison, and an sorted/unsorted bag of tuples. It
> outputs a bag containing top N tuples.
> 2. SearchQuery - Accepts an encoded URL from any of the 4 search engines
> (Yahoo, Google, AOL, Live) and extracts and normalizes the search query
> present in it.
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