[PIG-1993] PigStorageSchema throw NPE with ColumnPruning

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.8.0, 0.9.0
• Fix Version/s: 0.8.1
• Component/s: impl
• Hadoop Flags: Reviewed
• Assignee: Daniel Dai
• Reporter: Daniel Dai
• Created: 13/Apr/11 00:47
• Updated: 25/Apr/11 21:27
• Resolved: 14/Apr/11 01:48

Description

The following script fail:

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;

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)