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Re: CUBE/ROLLUP/GROUPING SETS syntax - Pig - [mail # dev]
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...Hello all I initially implemented ROLLUP as a separate operation with the following syntax a = ROLLUP inp BY (x,y); which does the same thing as CUBE (inserting fore...
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Author: Prasanth J,
2012-06-21, 20:28
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Re: How to redirect the Pig script summary to a file - Pig - [mail # user]
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...1>a.txt will redirect anything written to System.out to the file. All diagnostic operators, dump statement write to System.out and hence it will be written to a.txt. Som...
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Author: Prasanth J,
2012-06-14, 05:23
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Re: Handle NULL values in Cube dimensions - Pig - [mail # dev]
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...Thanks Jon for your thoughts. I have a patch which renames the null values in dimension values to "unknown" and use null for rollups. For a sample input tuple red, null, 12...
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Author: Prasanth J,
2012-06-12, 05:53
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Re: Handle NULL values in Cube dimensions - Pig - [mail # dev]
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...Thanks Alan and Dmitriy for your thoughts. I think we have two different approaches now. In one approach, if we encounter a null in dimension values we can just label it as...
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Author: Prasanth J,
2012-06-09, 02:00
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Re: Handle NULL values in Cube dimensions - Pig - [mail # dev]
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...But how do the user specify custom value for "*"? In the current implementation I am passing "NULL" string to the CubeDimensions constructor. If we need to get that value from us...
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Author: Prasanth J,
2012-06-08, 02:41
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Handle NULL values in Cube dimensions - Pig - [mail # dev]
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...Hello everyone I would like to bring up this discussion about the ways for handling NULL values in dimensions specified for cubing. For example, if we have a dimension colo...
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Author: Prasanth J,
2012-06-06, 21:24
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Re: CUBE/ROLLUP/GROUPING SETS syntax - Pig - [mail # dev]
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...Thanks Alan and Jon for expressing your views. I agree with Jon's point, if the syntax contains CUBE then user expects it to perform CUBE operation. So Jon's syntax seems more m...
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Author: Prasanth J,
2012-05-31, 00:02
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Re: CUBE/ROLLUP/GROUPING SETS syntax - Pig - [mail # dev]
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...Thanks Jonathan for looking into it and for your suggestions. The reason why I came with a clause rather than a separate operator was to avoid adding additional operators to the ...
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Author: Prasanth J,
2012-05-29, 22:55
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CUBE/ROLLUP/GROUPING SETS syntax - Pig - [mail # dev]
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...Hello everyone I am looking for feedback from the community about the syntax for CUBE/ROLLUP/GROUPING SETS operations in pig. I am moving the discussion from JIRA to dev-li...
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Author: Prasanth J,
2012-05-28, 05:36
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Using ILLUSTRATE with mock.storage - Pig - [mail # dev]
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...Hello all I am writing a testcase for illustrate (pigServer.getExamples()) using mock.storage. But I am getting IOException with message "No (valid) input data found". &nbs...
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Author: Prasanth J,
2012-05-22, 21:46
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