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[expand - 1 more] - Re: > and < Comparison Operators not working - Pig - [mail # user]
...Just to clarify, do you have a semicolon after f1 > 20?A = LOAD 'data' USING PigStorage(',');B = FOREACH A GENERATE f1;C = FILTER B BY f1 > 20;DUMP C;This should be correct.‚ÄčOn Sun, Fe...
   Author: Pradeep Gollakota, 2015-02-02, 08:37
Re: Is ther a way to run one test of special unit test? - Pig - [mail # user]
...If you're using maven AND using surefire plugin 2.7.3+ AND using Junit 4,then you can do this by specifying -Dtest=TestClass#methodNameref:http://maven.apache.org/surefire/maven-surefire-plu...
   Author: Pradeep Gollakota, 2015-01-16, 07:09
[expand - 2 more] - Re: solr indexing using pig script - Pig - [mail # user]
...Just out of curiosity, why are you using SET to set the solr collection?I'm not sure if you're using an out of the box Load/Store Func, but if Iwere to design it, I would use the "location" ...
   Author: Pradeep Gollakota, 2015-01-16, 07:04
[expand - 2 more] - Re: Help with Pig UDF? - Pig - [mail # user]
...Java string's are immutable. So "pdfText.concat()" returns a new string andthe original string is left unmolested. So at the end, all you're doing isreturning an empty string. Instead, you c...
   Author: Pradeep Gollakota, 2014-12-05, 17:18
Re: Error during filter - difference between . and :: - Pig - [mail # user]
...The "." is a dereference operator. This is used for look into complex datatypes. See http://pig.apache.org/docs/r0.12.0/basic.html#derefThe "::" is a disambiguation operator. When performing...
   Author: Pradeep Gollakota, 2014-10-14, 16:21
Re: Is there a way to indicate that the data is sorted for a group-by operation? - Pig - [mail # user]
...This is a great question!I could be wrong, but I don't believe there is a way to indicate this for agroup-by. It definitely does matter for performance if your input isglobally sorted. Curre...
   Author: Pradeep Gollakota, 2014-10-13, 16:09
[expand - 2 more] - Re: Optimizing Pig script - Pig - [mail # user]
...Hi Ankur,Is the list of regular expressions static or dynamic? If it's a staticlist, you can collapse all the filter operators into a single operator anduse the AND keyword to combine them.E...
   Author: Pradeep Gollakota, 2014-10-06, 20:09
[expand - 1 more] - Re: Json Loader - Array of objects - Loading results in empty data set - Pig - [mail # user]
...I think there's a problem with your schema. {DataASet: (A1: int,A2: int,DataBSets: {DataBSet: (B1: chararray,B2:chararray)})}should probably look like {DataASet: (A1: int,A2: int,D...
   Author: Pradeep Gollakota, 2014-08-08, 12:21
[expand - 1 more] - Re: Query On Pig - Pig - [mail # user]
...i. Equals can be mimicked by specifying both >= and <= (i.e. -lte=123-gte=123)ii. What do you mean by taking a partial rowkey? the lte and gte are"partial" matches.On Mon, Jun 30, 2014...
   Author: Pradeep Gollakota, 2014-07-01, 06:07
[expand - 4 more] - Re: How to FLATTEN hive column in Pig with ARRAY data type - Pig - [mail # user]
...FOREACH A GENERATE cust_id, cust_name, FLATTEN(cust_address), cust_email;‚ÄčOn Sun, Jun 1, 2014 at 5:54 PM, Rahul Channe  wrote: ...
   Author: Pradeep Gollakota, 2014-06-02, 15:45
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elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB