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https://issues.apache.org/jira/browse/PIG-732?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12704426#action_12704426
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Olga Natkovich commented on PIG-732:
------------------------------------

Ankur, thanks for your contribution and sorry for the delay.

I integrated your patch and and ran the tests. I see one failure in the unit 
tests:

 [junit] Test org.apache.pig.piggybank.test.evaluation.util.TestTopN FAILED

The log file contains the following:

Testsuite: org.apache.pig.piggybank.test.evaluation.util.TestTopN
Tests run: 1, Failures: 0, Errors: 1, Time elapsed: 0.17 sec

Testcase: testTopN took 0.152 sec
    Caused an ERROR
General Exception executing function: java.lang.ClassCastException: 
java.lang.Long cannot be cast to java.lang.Integer
java.lang.RuntimeException: General Exception executing function: 
java.lang.ClassCastException: java.lang.Long cannot be cast to java.lang.Integer
    at org.apache.pig.piggybank.evaluation.util.TopN.exec(TopN.java:112)
    at org.apache.pig.piggybank.test.evaluation.util.TestTopN.testTopN(Unknown 
Source)


> 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, udf.v3.patch, udf.v4.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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