[PIG-418] divide by 0 is not handled correctly

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.2.0
• Fix Version/s: 0.2.0
• Component/s: impl
• Assignee: Olga Natkovich
• Reporter: Olga Natkovich
• Created: 05/Sep/08 17:58
• Updated: 24/Mar/10 22:04
• Resolved: 05/Sep/08 20:54

Description

A = load 'data' as (name:chararray, age:int, gpa:double);
B = foreach A generate age, (int)(age/(age - 20));
store B into 'types_2_3';

Get the following exceptiopn

08/09/05 10:56:55 ERROR mapReduceLayer.Launcher: Error message from task (map) tip_200808261638_3046_m_000000java.lang.ArithmeticException: / by zero
at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.Divide.getNext(Divide.java:119)
at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POCast.getNext(POCast.java:139)
at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.processPlan(POForEach.java:211)
at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.getNext(POForEach.java:156)
at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:127)
at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapOnly$Map.map(PigMapOnly.java:64)
at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:47)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:219)
at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2124)