Scripts using CROSS fail in logical to physical translator
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Key: PIG-311
URL: https://issues.apache.org/jira/browse/PIG-311
Project: Pig
Issue Type: Bug
Affects Versions: types_branch
Reporter: Alan Gates
Fix For: types_branch
{code}
a = load 'myfile' as (name, age, gpa);
b = load 'myotherfile' as (name, age, registration, contributions);
c = filter a by age < 19 and gpa < 1.0;
d = filter b by age < 19;
e = cross c, d;
store e into 'outfile';
{code}
fails:
java.io.IOException: Unable to store for alias: e [null]
at org.apache.pig.impl.plan.OperatorPlan.checkInPlan(OperatorPlan.java:252)
at org.apache.pig.impl.plan.OperatorPlan.connect(OperatorPlan.java:140)
at
org.apache.pig.impl.physicalLayer.plans.PhysicalPlan.connect(PhysicalPlan.java:77)
at
org.apache.pig.impl.logicalLayer.LogToPhyTranslationVisitor.visit(LogToPhyTranslationVisitor.java:859)
at org.apache.pig.impl.logicalLayer.LOStore.visit(LOStore.java:101)
at org.apache.pig.impl.logicalLayer.LOStore.visit(LOStore.java:36)
at
org.apache.pig.impl.plan.DependencyOrderWalker.walk(DependencyOrderWalker.java:68)
at org.apache.pig.impl.plan.PlanVisitor.visit(PlanVisitor.java:51)
at
org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.compile(HExecutionEngine.java:229)
at org.apache.pig.PigServer.compilePp(PigServer.java:556)
at org.apache.pig.PigServer.execute(PigServer.java:482)
at org.apache.pig.PigServer.store(PigServer.java:324)
at org.apache.pig.PigServer.store(PigServer.java:310)
at org.apache.pig.tools.grunt.GruntParser.processStore(GruntParser.java:173)
at
org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:317)
at
org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:77)
at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:58)
at org.apache.pig.Main.main(Main.java:311)
Caused by: java.lang.NullPointerException
... 18 more
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