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UDF casting failures on nested maps/objects. - Pig - [mail # user]
...Hi,  I've got some objects originally loaded, using the JSON loader from elephantbird, into nested maps, and subsequently stored using LZOPigStorage after various stages of processing. ...
   Author: Kris Coward, 2013-05-07, 17:05
Re: What is wrong with my input path? - Pig - [mail # user]
...Simple non-pig sanity check:  Are you sure that the shell you're using to launch your pig script isn't trying to do its own wildcard expansion on your parameter before passing it to pig...
   Author: Kris Coward, 2013-03-21, 07:20
Re: UDF that takes bag as input and returns another bag - Pig - [mail # user]
...But he asked for a function that returns *another* bag ;)  Snark aside, when returning bags or tuples, it's also worthwhile to at least consider also defining the output schema, which f...
   Author: Kris Coward, 2013-03-18, 14:24
[expand - 1 more] - Re: Behaviour on a failed cast. - Pig - [mail # user]
...The cast in question was a bytearray to a map (while referencing a value inside a nested object loaded using JsonLoader), which was failing because a previous glitch in upstream infrastructu...
   Author: Kris Coward, 2013-02-01, 17:56
Re: Escaping Dollar Sign in Map in Pig 0.10 - Pig - [mail # user]
...I've encountered the difference myself, and find that it helps immensely to run pig -r on the script instead of cat, before cutting and pasting it, so it'll strip the \ off of the $ when it ...
   Author: Kris Coward, 2013-01-15, 23:27
Storing dates in LzoJsonStorage - Pig - [mail # user]
...Hi,  I'm working on a pig script (and some associated UDFs) to do a little cleaning on some data, stored as JSON objects, being used by other scripts down the pipe. The JSON objects con...
   Author: Kris Coward, 2012-12-18, 21:19
Failing to make sense of an error. - Pig - [mail # user]
...Hi,  I've been compiling some top 25 lists for the frequency with which values appear in certain columns in a relation, and based on some of the counts, am curious to see if some of the...
   Author: Kris Coward, 2012-11-28, 16:30
[expand - 1 more] - Re: Group by Fetching top 100 from each group - Pig - [mail # user]
...Yes, that is indeed better.  On Fri, Jun 29, 2012 at 06:39:58PM -0700, Jonathan Coveney wrote:  Kris Coward http://unripe.melon.org/ GPG Fingerprint: 2BF3 957D 310A FEEC 4733 &...
   Author: Kris Coward, 2012-06-30, 04:47
Re: Can I check if the field is integer or not - Pig - [mail # user]
...And both of these only cover positive/unsigned integers, and allowing for negatives you'd want '-?[0-9]+'  On Fri, Jun 08, 2012 at 03:20:01PM +0000, Steve Bernstein wrote:  Kris Co...
   Author: Kris Coward, 2012-06-08, 15:27
Re: Does Pig guarantee output won't include duplicated rows? - Pig - [mail # user]
...C = DISTINCT B;  STORE C INTO '$OUTPUT';  -Kris  On Fri, May 18, 2012 at 04:55:23PM +0100, Brendan Gill wrote:  Kris Coward http://unripe.melon.org/ GPG Fingerprint: ...
   Author: Kris Coward, 2012-05-18, 15:58
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