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Re: how to filter empty string - Pig - [mail # user]
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...try it on the console. load a small set of data, then dump it right away. seems like you also need to handle "", if you are using the default loader On Feb 26, 2013, at 5:16 PM,...
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Author: Young Ng,
2013-02-27, 01:21
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Re: how to filter empty string - Pig - [mail # user]
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...C = FILTER B BY itemid is null; you cant use == or != for null value On Feb 26, 2013, at 3:41 PM, Dan Yi wrote: ...
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Author: Young Ng,
2013-02-27, 01:12
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Re: Using UDF to process whole record - Pig - [mail # user]
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...try something like: raw_data = load ....... as record; ...... com.udf.SomeUDF(record) or you can describe raw_data to check the schema. On Jan ...
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Author: Young Ng,
2013-01-22, 07:34
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Re: pig support for in operator - Pig - [mail # user]
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...I think you can accomplish this task by writing a UDF which takes two arguments, one for the check list, the other for the value to check, and return a boolean to indicate if it'...
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Author: Young Ng,
2012-12-14, 02:26
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Re: How can I load external files within jython UDF? - Pig - [mail # user]
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...Thank you John, I have checked the SHIP function, but It's a bit confusing to me. all the examples I found were related to streaming-through. And I have figured out a solution by...
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Author: Young Ng,
2012-12-09, 23:18
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How can I load external files within jython UDF? - Pig - [mail # user]
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...Hi, I am trying to load some external resources within my jython udf functions, e.g: @outputSchema(....) def test(): f = open('test.txt.') text = f.re...
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Author: Young Ng,
2012-12-09, 20:52
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