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Re: Apache Pig map data structure - Pig - [mail # user]
...AFAIK you cannot use a variable as a map key. What you can do is transformthe map to a tuple of (key,value). There must be some readily availableUDFs to do that.prodid_to_class_id = LOAD 'st...
   Author: Abhishek Agarwal, 2014-09-11, 08:44
[PIG-4155] Quitting grunt shell using CTRL-D character throws exception - Pig - [issue]
...jline returns null when CTRL-D is given as input. This results in NPE in grunt because StringReader constructor throws NPE.String line = super.readLine();String paramSubLine = pc.doParamSubs...
http://issues.apache.org/jira/browse/PIG-4155    Author: Abhishek Agarwal, 2014-09-05, 11:35
Re: Storing time in Pig - Pig - [mail # user]
...Assuming data is the alias which has start_time and end_time as fields.data2 = foreach data generate ToDate(Start_time, 'HH:mm:ss') as startDate,ToDate(End_time, 'HH:mm:ss') as endDate;data3...
   Author: Abhishek Agarwal, 2014-06-27, 13:08
[PIG-4009] Add counters for filter operation - Pig - [issue]
...In a pig script, map input and output records would be different due to operations such as flatten, filter etc. In such cases, the information about number of records being filtered by any f...
http://issues.apache.org/jira/browse/PIG-4009    Author: Abhishek Agarwal, 2014-06-12, 17:52
[expand - 1 more] - Re: Counters for UDF execution, Filter - Pig - [mail # dev]
...2) is the approach to go for if there is only one filter on the map side.However, if you have operations, such as flatten or other filters on themap, you cannot associate the difference betw...
   Author: Abhishek Agarwal, 2014-06-10, 16:10
Re: Pig Job Failure With More Number Of Input Files - Pig - [mail # user]
...can you attach your job configuration here? That could help in narrowingdown the problem.On Wed, May 7, 2014 at 4:05 AM, abhishek dodda wrote:Regards,Abhishek Agarwal ...
   Author: Abhishek Agarwal, 2014-05-15, 01:53
[expand - 1 more] - Re: Getting current split in EvalFunc - Pig - [mail # user]
...I need this information in the UDF which is a EvalFunc and not LoadFunc.May be I can communicate the pig split information from LoadFunc toEvalFunc through UDFContext. suggestions?On Fri, Ap...
   Author: Abhishek Agarwal, 2014-04-18, 08:28
[expand - 1 more] - Re: Combiner with COGROUP - Pig - [mail # dev]
...+ Pig-DevIs there any plan to add the combiner support for cogroup in near future?It will be a really useful feature to have.On Wed, Apr 16, 2014 at 9:15 PM, Cheolsoo Park  wrote:Regard...
   Author: Abhishek Agarwal, 2014-04-16, 15:52
Re: Pass user configurations/arguments to UDF - Pig - [mail # user]
...You can get the job configuration in your UDF through this function.JobConf conf = UDFContext.getInstance().getJobConf();Any job parameters that you pass in the job, should be available in c...
   Author: Abhishek Agarwal, 2014-04-10, 07:49
Logical Plan - New and Old - Pig - [mail # user]
...What are the differences between new and old logical plan in pig? I am notable to understand when and why I should set pig.usenewlogicalplan to true.Regards,Abhishek Agarwal ...
   Author: Abhishek Agarwal, 2014-04-08, 15:36
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