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Using variables generated by FOREACH command - Pig - [mail # user]
...Hi  I  have a group and foreach statements as below  grouped = GROUP filterdata BY (page_name,web_session_id); x = foreach grouped { distinct_web_cookie_id= DISTINCT filterdat...
   Author: Mix Nin , 2013-11-14, 21:17
header of a tuple/bag - Pig - [mail # user]
...Hi,  I am trying query a data set on HDFS using PIG.  Data = LOAD '/user/xx/20130523/*; x = FOREACH Data GENERATE cookie_id;  I get below error.   Invalid field projectio...
   Author: Mix Nin , 2013-07-16, 18:04
Number format exception : For input string - Pig - [mail # user]
...Data = LOAD 'part-r-00000' AS (session_start_gmt:long) FilterData = FILTER Data BY  session_start_gmt=1369546091667   I get below error  2013-07-01 22:48:06,510 [main] ERROR o...
   Author: Mix Nin , 2013-07-02, 14:47
[expand - 2 more] - Passing multiple parameters to a PIG script - Pig - [mail # user]
...Removing space worked. Thanks Will   Thanks   On Thu, Jun 20, 2013 at 12:18 PM, wrote:  > > pig  -f  $ROOT_DIR/pig0.pig -param inputDatePig=$inputDate  -p...
   Author: Mix Nin , 2013-06-20, 20:21
[expand - 1 more] - Reading multiple files of a directory using a Single LOAD Command in PIG - Pig - [mail # user]
...Hi,  My mistake, I gave backward slashes and so was getting error. I gave forward slashes and it is working fine.  Good to know that LOAD ignores filenames that begin with "_" or a...
   Author: Mix Nin , 2013-06-11, 22:15
Single Output file from STORE command - Pig - [mail # user]
...STORE command produces multiple output files. I want a single output file and I tried using command as below  STORE (foreach (group NoNullData all) generate flatten($1))  into 'xxx...
   Author: Mix Nin , 2013-05-24, 19:11
Number of records in an HDFS file - Pig - [mail # user]
...Hello,  What is the bets way to get the count of records in an HDFS file generated by a PIG script.  Thanks...
   Author: Mix Nin , 2013-05-13, 17:51
[expand - 2 more] - Commands not working properly when stored in pig file - Pig - [mail # user]
...I guess the second map reduce started executing before first one got completed.  Below is error log  2013-03-27 15:48:08,902 [main] INFO  org.apache.pig.backend.hadoop.executi...
   Author: Mix Nin , 2013-03-27, 23:07
Extract Date part from ISO datetime format - Pig - [mail # user]
...How to get only Date part from ISOFROMAT  I have input as below  2013-03-10T08:00:24.338Z  How do I get output as 2013-03-10...
   Author: Mix Nin , 2013-03-18, 20:24
Ignore first record of a file - Pig - [mail # user]
...I have a file as follows:   event_time        session_id 12334545          67890087  56788898         87689000 &nbs...
   Author: Mix Nin , 2013-03-14, 00:10