Utility UDFs
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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
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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