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[expand - 2 more] - Re: AvroStorage can't read multiple files? - Pig - [mail # user]
...ok, tried "LOAD 'mydir/*.avro'   ", doesn't work either.   "LOAD 'mydir/' " works   On Tue, Oct 1, 2013 at 10:02 AM, Yang  wrote:  ...
   Author: Yang, 2013-10-01, 17:54
[expand - 1 more] - Re: how to address "nested structure" in PIG? - Pig - [mail # user]
...l found out, actually the original form works fine, i.e. "by value.seqNum == 1". but the error I got was due to the fact that the first "load" command actually fails to load anything, i.e. b...
   Author: Yang, 2013-10-01, 14:40
[expand - 3 more] - Re: how to load custom Writable class from sequence file? - Pig - [mail # user]
...thanks for bringing up scalding. I actually didn't know that, and meant to use scala as an "easier and quick -and -dirty java". but yes, scalding seems more suited for this.   On Tue, S...
   Author: Yang, 2013-09-24, 17:51
loaded records but gone - Pig - [mail # user]
...I wrote a record loader MyLoader  and used it to load  aa = LOAD 'input_on_hdfs' USING MyLoader() AS ( blah:chararray, blahblah:chararray );  bb = FOREACH aa generate *; store...
   Author: Yang, 2013-04-27, 06:52
SIZE() always leads to 1 reducer? - Pig - [mail # user]
...I set default_parallel=15  but when I did a  y = group z ALL; x = foreach y generate SIZE(z);  the 2 lines generate a MR job with only 1 reducer.   I guess it's because S...
   Author: Yang, 2013-04-11, 22:13
IMPORT issues - Pig - [mail # user]
...I like the new feature of IMPORT, it allows me to break up big chunks of code into manageable, reusable units.  but one issue is that if I get a compile error or run time error in one o...
   Author: Yang, 2013-03-20, 23:21
[expand - 1 more] - Re: STORE skipped in pigUnit test? - Pig - [mail # user]
...thanks!   On Fri, Mar 15, 2013 at 3:31 PM, meghana narasimhan  wrote:  ...
   Author: Yang, 2013-03-17, 05:00
null pointer error with a simple pig program - Pig - [mail # user]
...the following code gave null pointer exception   rbl_raw = load 's3://mybucket/rbl-logs/{2013/03/06,2013/03/05}' AS (line:chararray);  rbl = FOREACH rbl_raw GENERATE FLATTEN(loadrb...
   Author: Yang, 2013-03-11, 07:11
[expand - 1 more] - Re: generate multiple output files? - Pig - [mail # user]
...very nice, thanks!   On Fri, Jan 11, 2013 at 2:52 PM, Dmitriy Ryaboy  wrote:  ...
   Author: Yang, 2013-01-18, 00:25
issues with using JOIN inside a MACRO? - Pig - [mail # user]
...hadoop@ip-10-245-54-191:~/top50/new$ cat a.pig DEFINE mymacro(blah, zoo) RETURNS foo { x = JOIN $blah BY id, $zoo BY id;         y = JOIN x BY $blah::id, $zoo BY id; &nbs...
   Author: Yang, 2012-11-07, 23:44
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