PigStorageSchema throw NPE with ColumnPruning
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Key: PIG-1993
URL: https://issues.apache.org/jira/browse/PIG-1993
Project: Pig
Issue Type: Bug
Components: impl
Affects Versions: 0.9.0
Reporter: Daniel Dai
Fix For: 0.9.0
The following script fail:
{code}
a = load '1.txt' as (a0:int, a1:int, a2:int);
store a into 'temp' using org.apache.pig.piggybank.storage.PigStorageSchema();
exec
a = LOAD 'temp' using org.apache.pig.piggybank.storage.PigStorageSchema();
b = FOREACH a GENERATE a1;
dump b;
{code}
Error message:
java.lang.ArrayIndexOutOfBoundsException: 2
at
org.apache.pig.piggybank.storage.PigStorageSchema.getNext(PigStorageSchema.java:94)
at
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigRecordReader.nextKeyValue(PigRecordReader.java:187)
at
org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.nextKeyValue(MapTask.java:423)
at
org.apache.hadoop.mapreduce.MapContext.nextKeyValue(MapContext.java:67)
at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:143)
at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:621)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:305)
at
org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:177)
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