New logical plan: self-join fail for some queries
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Key: PIG-1705
URL: https://issues.apache.org/jira/browse/PIG-1705
Project: Pig
Issue Type: Bug
Components: impl
Affects Versions: 0.8.0
Reporter: Daniel Dai
Assignee: Daniel Dai
Fix For: 0.8.0
The following script fail:
{code}
A = load '1.txt' AS (a0:int, a1:int, a2:int);
B = foreach A generate a0, a1;
C = join A by a0, B by a0;
D = filter C by A::a1>=B::a1;
dump D;
{code}
Error message:
org.apache.pig.backend.executionengine.ExecException: ERROR 2067:
GTOrEqualToExpr does not know how to handle type: tuple
at
org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.GTOrEqualToExpr.getNext(GTOrEqualToExpr.java:132)
at
org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POFilter.getNext(POFilter.java:148)
at
org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:276)
at
org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.getNext(POForEach.java:240)
at
org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:276)
at
org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLocalRearrange.getNext(POLocalRearrange.java:256)
at
org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POUnion.getNext(POUnion.java:163)
at
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:236)
at
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:231)
at
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:53)
at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144)
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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