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Re: Reading json file. - Pig - [mail # user]
...I've had poor experiences getting the default json loaders to work as well.  I would highly recommend writing your own UDF JsonLoader extending LoadFunc over, say, importing twitter's e...
   Author: Dan DeCapria, CivicScienc..., 2013-08-30, 14:28
Re: Getting dimension values for Facts - Pig - [mail # user]
...It seems like your fact table and its corresponding dimension tables follow a traditional data warehousing star topology relational diagram.  I would have to ask what is the purpose/del...
   Author: Dan DeCapria, CivicScienc..., 2013-07-19, 14:33
Unique Self Cross Optimization - Pig - [mail # user]
...I have a data input of aliases and many identifying attributes per each alias. The order of aliases is ~1E8 and for all attributes is ~1E5.  I am attempting to generate a network of ali...
   Author: Dan DeCapria, CivicScienc..., 2013-06-17, 18:59
Re: Pig 0.11.1 on AWS EMR/S3 fails to cleanup failed task output file before retrying that task - Pig - [mail # user]
...Hi Alan,  I believe this is expected behavior wrt EMR and S3.  There cannot exist a duplicate file path in S3 prior to commit; in your case it looks like bucket: n2ygk, path: reduc...
   Author: Dan DeCapria, CivicScienc..., 2013-06-13, 13:57
Re: LEFT OUTER JOIN? - Pig - [mail # user]
...Have a solution which I personally don't like, but it seems to work for now:  T = LOAD 'T.dat' AS (a:chararray, b:chararray, c:chararray, d:chararray, x:chararray, y:chararray); U = LOA...
   Author: Dan DeCapria, CivicScienc..., 2013-04-19, 21:10
Re: Massive ILLUSTRATE - Pig - [mail # user]
...You wouldn't happen to know of a way to make some of those statements more verbose (remove the ellipsis)? In example:  | lyrics     | track_id:bytearray      | ...
   Author: Dan DeCapria, CivicScienc..., 2013-04-10, 21:49
Re: Pig Illustrate more verbose, remove Ellipsis - Pig - [mail # user]
...Hi Johnny,  Yes, with ILLUSTRATE I am expecting a small sample of the data to be returned for each LHS statement in my Pig script. ILLUSTRATE renders out the data in fields, regardless ...
   Author: Dan DeCapria, CivicScienc..., 2013-04-09, 18:09
UDF Complex Pig Object to JsonObject - Pig - [mail # user]
...pig Object to a Json Object. The converse operation is also desired.  Use Case 1: DataBag {(a,1.0)}  with Schema b1:bag{t1:tuple(t:chararray,s:double)} return JsonObject {[a,1.0]} ...
   Author: Dan DeCapria, CivicScienc..., 2013-04-02, 19:59
Utf8StorageConverter Not Handling Empty Tuples Properly - Pig - [mail # user]
...For Pig 0.10.1, I came across a use case for the caster * Utf8StorageConverter.consumeTuple()* method, whereby passing an empty tuple to the caster did not create a valid empty tuple output....
   Author: Dan DeCapria, CivicScienc..., 2013-03-21, 15:57
Re: String Representation of DataBag and its Schema - Pig - [mail # user]
...I'll give it an honest try, and any additional from the community is greatly appreciated!  I've been on this idea for a few days now.  I even implemented my own UDF parser by conve...
   Author: Dan DeCapria, CivicScienc..., 2013-03-19, 17:20
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