Removing duplicates using PigLatin

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I'm using PigLatin to filter some records.

User1  8 NYC 
User1  9 NYC 
User1  7 LA 
User2  4 NYC
User2  3 DC 

The script should remove the duplicate for users, and keep one of these records. Something like the unique command in linux.

The output should be:

User1 8 NYC 
User2 4 NYC

Any suggestions?

2 Answers
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