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Re: what happens under the hood - Pig - [mail # user]
...This is a very broad question. On the Pig website you can find some papers on how Pig was implemented, and this should give you a high level view of what is going on.  For this code, yo...
   Author: Jonathan Coveney, 2012-12-20, 00:35
[expand - 1 more] - Re: PhysicalPlan leaves - Pig - [mail # user]
...If you really want to be sure, what I would do is put a debug statement in PigServer.launchPlan and just look at the PhysicalPlan object for a semi-complicated script. There definitely will ...
   Author: Jonathan Coveney, 2012-12-19, 21:29
Is it known that you can't use rank as a column name? - Pig - [mail # dev]
...I am getting weird errors. I assume this is because of the rank operator, and it is a non-backwards compatible change that could break scripts (it is breaking some scripts on our end).  ...
   Author: Jonathan Coveney, 2012-12-18, 23:29
[PIG-3093] Self join + realias results in schema errors - Pig - [issue]
...So this one took a while to isolate, but is pretty crazy.A = load 'a' as (field1:chararray);B = foreach A generate *;C = join A by field1, B by field1;D = foreach C generate A::field1 as fie...
http://issues.apache.org/jira/browse/PIG-3093    Author: Jonathan Coveney, 2012-12-18, 00:19
Re: Join Multiple Relations by Different Fields - Pig - [mail # user]
...it's a little confusing, but the following is a tuple: (key1,foo,)  it's just not the tuple you want. it is a tuple where the first field is "key1,foo" and the second field is null. The...
   Author: Jonathan Coveney, 2012-12-14, 18:54
Re: pig support for in operator - Pig - [mail # user]
...This is a join. This is equivalent to.   A = load 'test_data' as (value); B = foreach 'filter_data' as (x:int); C = join A by value, B by x using 'replicated'; D = foreach C generate va...
   Author: Jonathan Coveney, 2012-12-14, 07:03
Can someone explain the purpose UID serves in the logical plan? - Pig - [mail # dev]
...Howdy ya'll,  I'm trying to fix the issue in this JIRA: https://issues.apache.org/jira/browse/PIG-3093  I got the plan at one point, as saw this:  #---------------------------...
   Author: Jonathan Coveney, 2012-12-13, 22:17
[expand - 2 more] - Re: Our release process - Pig - [mail # dev]
...Olga,  A related but separate question: what do y'all do when there is a feature that is finished, but for an upcoming release? ie a feature in trunk, but not in 0.11 (which, let us ass...
   Author: Jonathan Coveney, 2012-12-13, 21:14
Re: RESOLVED: ERROR 2999: Unexpected internal error. null - Pig - [mail # user]
...Glad you got to the bottom of it, and thanks for letting us know what fixed it!   2012/12/12 James Schappet  ...
   Author: Jonathan Coveney, 2012-12-12, 18:07
Re: Parsing variable schema - Pig - [mail # user]
...I'm a little vague on what you want to do. Can you provide an example?   2012/12/11 Prashant Kommireddi  ...
   Author: Jonathan Coveney, 2012-12-12, 18:07
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