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Re: Passing a single Bag to an Eval function - Pig - [mail # user]
...Thanks Jonathan. Great explanation.    On Mon, May 28, 2012 at 6:53 PM, Jonathan Coveney wrote:  ...
[+ more]    Author: James Newhaven, 2012-05-28, 22:16
Jackson problem in custom Pig Eval function - Pig - [mail # user]
...I am trying to use the Jackson JSON mapper in a custom Eval Pig function like this:  mapper.writeValueAsString(cityChartData);  However, when I use my custom function in a pig scri...
   Author: James Newhaven, 2012-05-18, 16:17
Re: Removing unwanted items in tuple - Pig - [mail # user]
...Thanks. But what if my bag is grouped like this:  group: (id), bagname: { (product, unwanted, count), (product, unwanted, count) }  I want to retain the group tuple  but remov...
[+ more]    Author: James Newhaven, 2012-05-09, 20:22
Re: Ordering and limiting Tuples inside a Bag - Pig - [mail # user]
...Ok, figured out the nested foreach. Thanks for your help.  Regards, James    On Wed, May 9, 2012 at 5:33 PM, James Newhaven wrote:  ...
[+ more]    Author: James Newhaven, 2012-05-09, 17:39
Counting tuple elements - Pig - [mail # user]
...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...
   Author: James Newhaven, 2012-05-04, 16:06
Combining pig output - Pig - [mail # user]
...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  ...
   Author: James Newhaven, 2012-04-15, 15:49
Re: Extracting only the first tuple out of a bag - Pig - [mail # user]
...You could also try the Pig DataFu Library FirstTupleFromBag - FirstTupleFromBag  James  On Thu, Apr 12, 2012 at 8:01 AM, keeyong han  wrote:  ...
   Author: James Newhaven, 2012-04-13, 09:51
Re: Dividing a bag into smaller bags - Pig - [mail # user]
...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...
[+ more]    Author: James Newhaven, 2012-04-11, 16:21
Re: Strange behaviour when using FLATTEN - Pig - [mail # user]
...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...
[+ more]    Author: James Newhaven, 2012-04-11, 15:15
Re: LIMIT operator doesn't work with variables - Pig - [mail # user]
...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 ...
[+ more]    Author: James Newhaven, 2012-04-10, 21:42
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