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Re: SQL- WHILE in Pig - Pig - [mail # user]
...You could use while in your UDF.   On 14 November 2013 16:11, Ruslan Al-Fakikh  wrote:  ...
   Author: TianYi Zhu, 2013-11-14, 05:14
Re: Small files - Pig - [mail # user]
...Hi Anastasis,  Have you tried to mount hdfs as a local directory via hdfs-fuse? This might get over your upload problem.  Thanks, TianYi ZHU   On 30 September 2013 16:37, Anas...
   Author: TianYi Zhu, 2013-09-30, 22:22
Re: fuzzy logic through pig programming - Pig - [mail # user]
...Write a udf in Java, python or JavaScript implementing one of the http://en.wikipedia.org/wiki/Edit_distance or your own distance, then call it in your pig script.   On 28 June 2013 12:...
   Author: TianYi Zhu, 2013-06-28, 03:51
Re: self cross doesn't work as expected - Pig - [mail # user]
...It's not a bug, pig works in that way avoiding the field name conflict issue. You need to load the data twice when you do self join/group/cross.   On 29 December 2012 12:44, Danfeng Li ...
   Author: TianYi Zhu, 2013-01-01, 22:40
Re: ovoid "::" schema spec after join? - Pig - [mail # user]
...Hi Yang, You can use the them without prefix if there's no conflict.  Thanks, TianYi  On Fri, Oct 12, 2012 at 9:31 AM, Yang  wrote:  ...
   Author: TianYi Zhu, 2012-10-11, 22:52
Re: Optimizations in pig - Pig - [mail # user]
...Hi Abhishek,  http://archive.cloudera.com/cdh4/cdh/4/pig/perf.html http://ofps.oreilly.com/titles/9781449302641/making_pig_fly.html  On Fri, Oct 5, 2012 at 8:18 AM, Abhishek  ...
   Author: TianYi Zhu, 2012-10-04, 23:35
Re: Pig question. - Pig - [mail # user]
...Hi Jamal,  you can write a UDF convert time between different time zones with following utilities,  java.text.DateFormat; java.text.SimpleDateFormat; java.util.Date; java.util.Time...
   Author: TianYi Zhu, 2012-10-03, 23:21
Re: Applying schemas after flatten? - Pig - [mail # user]
...Hi Dave try C = FOREACH B generate(t.y, Flatten(t.CUSTS) AS (anothery:chararray, custbag:bag));  On Sat, Sep 8, 2012 at 8:41 AM, David Lapsley wrote:  ...
   Author: TianYi Zhu, 2012-09-09, 23:21
Re: Beginner. Help needed in getting started - Pig - [mail # user]
...Hi Mohit,  assuming you are using pig 0.9+, please check this link and learn how to write user defined functions in python: http://archive.cloudera.com/cdh4/cdh/4/pig/udf.html#python-ud...
   Author: TianYi Zhu, 2012-08-30, 04:51
Re: updates using Pig - Pig - [mail # user]
...Hi Srinivas,  you can write a user defined function for this  feed = union feed1, feed2; feed_grouped = group feed by trade-key; output = foreach feed_grouped generate flatten(your...
   Author: TianYi Zhu, 2012-08-28, 04:55
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