[PIG-1086] Nested sort by * throw exception

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.5.0
• Fix Version/s: 0.7.0
• Hadoop Flags: Reviewed
• Assignee: Richard Ding
• Reporter: Daniel Dai
• Created: 11/Nov/09 21:56
• Updated: 14/May/10 06:45
• Resolved: 11/Dec/09 23:32

Description

The following script fail:
A = load '1.txt' as (a0, a1, a2);
B = group A by a0;
C = foreach B

{ D = order A by *; generate group, D;}

;
explain C;

Here is the stack:
Caused by: java.lang.ArrayIndexOutOfBoundsException: -1
at java.util.ArrayList.get(ArrayList.java:324)
at org.apache.pig.impl.logicalLayer.schema.Schema.getField(Schema.java:752)
at org.apache.pig.impl.logicalLayer.LOSort.getSortInfo(LOSort.java:332)
at org.apache.pig.backend.hadoop.executionengine.physicalLayer.LogToPhyTranslationVisitor.visit(LogToPhyTranslationVisitor.java:1365)
at org.apache.pig.impl.logicalLayer.LOSort.visit(LOSort.java:176)
at org.apache.pig.impl.logicalLayer.LOSort.visit(LOSort.java:43)
at org.apache.pig.impl.plan.DependencyOrderWalkerWOSeenChk.walk(DependencyOrderWalkerWOSeenChk.java:69)
at org.apache.pig.backend.hadoop.executionengine.physicalLayer.LogToPhyTranslationVisitor.visit(LogToPhyTranslationVisitor.java:1274)
at org.apache.pig.impl.logicalLayer.LOForEach.visit(LOForEach.java:130)
at org.apache.pig.impl.logicalLayer.LOForEach.visit(LOForEach.java:45)
at org.apache.pig.impl.plan.DependencyOrderWalker.walk(DependencyOrderWalker.java:69)
at org.apache.pig.impl.plan.PlanVisitor.visit(PlanVisitor.java:51)
at org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.compile(HExecutionEngine.java:234)
at org.apache.pig.PigServer.compilePp(PigServer.java:864)
at org.apache.pig.PigServer.explain(PigServer.java:583)
... 8 more