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Counting tuple elements - Pig - [mail # user]
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...Say I have a tuple containing the following elements (Apples, Apples, Oranges, Carrots, Carrots) Is it possible in pig to find the counts of the tuple, for example the output I would l...
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Author: James Newhaven,
2012-05-04, 16:06
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Combining pig output - Pig - [mail # user]
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...Hi, After running my pig script telling it to store my final relation, I know it is normal for it to save the data into multiple parts e.g. part-m-00000 part-m-00001 ...
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Author: James Newhaven,
2012-04-15, 15:49
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Re: Extracting only the first tuple out of a bag - Pig - [mail # user]
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...You could also try the Pig DataFu Library FirstTupleFromBag - FirstTupleFromBag James On Thu, Apr 12, 2012 at 8:01 AM, keeyong han wrote: ...
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Author: James Newhaven,
2012-04-13, 09:51
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Re: Dividing a bag into smaller bags - Pig - [mail # user]
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...Hi Dan, Thanks for the recommendation. I did manage to use BagSplit, but does anyone know the best way of accessing the result returned by BagSplit? BagSplit returns a bag of bag...
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Author: James Newhaven,
2012-04-11, 16:21
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Dividing a bag into smaller bags - Pig - [mail # user]
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...Hi, I need to divide a large bag into 10 smaller bags of equal size. Does anyone know of a function that can do this easily? I've had a look at the standard functions and the PiggyBank...
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Author: James Newhaven,
2012-04-11, 15:53
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Re: Strange behaviour when using FLATTEN - Pig - [mail # user]
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...Thanks Pablo, That link was really useful. The reason the fieldnames contain NULL, is that I used FLATTEN with TOP, which currently discards the bagname. This is going to be fixed in 0...
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Author: James Newhaven,
2012-04-11, 15:15
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Strange behaviour when using FLATTEN - Pig - [mail # user]
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...Hi, Sorry, this is a PIG newbie question... When I use FLATTEN, I don't understand the structure of the relation that is returned. For example, the following relation A is ...
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Author: James Newhaven,
2012-04-11, 13:46
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Re: LIMIT operator doesn't work with variables - Pig - [mail # user]
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...Thanks for the responses. Until 0.10 is released what alternatives do I have if limit can only take constants? I suspect I could use TOP if that supports variables? On 10 ...
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Author: James Newhaven,
2012-04-10, 21:42
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LIMIT operator doesn't work with variables - Pig - [mail # user]
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...Hi, I am trying to a limit the output size using LIMIT. I want to the limit size to be 5 percent of the total output size like this: G = GROUP F ALL; H = FOREACH G GE...
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Author: James Newhaven,
2012-04-10, 20:33
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