Search found 3 matches

by Expressions_Galore
Mon Mar 18, 2013 1:57 pm
Forum: Hadoop Connector
Topic: MapReduce job does give ANY output and does not run. Why?
Replies: 2
Views: 18328

Re: MapReduce job does give ANY output and does not run. Why

The answer was really stupid actually. I missed this in the main method.

Code: Select all

job.waitForCompletion(true);
by Expressions_Galore
Mon Mar 18, 2013 1:09 pm
Forum: Hadoop Connector
Topic: MapReduce job does give ANY output and does not run. Why?
Replies: 2
Views: 18328

MapReduce job does give ANY output and does not run. Why?

I have written a MapReduce job to connect to the Vertica Database. I used this document as a reference: http://www.vertica.com/wp-content/uploads/2011/01/Vertica-Connector-for-Hadoop-Pig-11-10.pdf I don't know if it a problem with Vertica or Hadoop but even though my code successfully compiles, it d...
by Expressions_Galore
Fri Feb 22, 2013 1:02 pm
Forum: R Language Integration
Topic: Error: Scalar Function produced fewer output rows than input
Replies: 0
Views: 12645

Error: Scalar Function produced fewer output rows than input

Hi, I have written a Scalar function for Vertica to get the polarity. Though it produces the correct output for one row input, but for inputs more than one row in length, I get the following error: ERROR: User-defined Scalar Function <function_name> produced fewer output rows (1) than input rows (18...

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