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From "Olga Natkovich (JIRA)" <j...@apache.org>
Subject [jira] Created: (PIG-382) bincond does not performa implicit cast of parameters
Date Mon, 18 Aug 2008 20:23:44 GMT
bincond does not performa implicit cast of parameters
-----------------------------------------------------

                 Key: PIG-382
                 URL: https://issues.apache.org/jira/browse/PIG-382
             Project: Pig
          Issue Type: Bug
    Affects Versions: types_branch
            Reporter: Olga Natkovich
             Fix For: types_branch


The following script

grunt> A = load 'foo' as (name, age, gpa);
grunt> B = foreach A generate ((name matches 'bob') ? name : '');
grunt> dump B; 

produces error below. Also, I am not sure why the error is not produce after just the second
line. You need dump to see the error

2008-08-18 13:18:37,442 [main] WARN  org.apache.pig.PigServer - bytearray is implicitly casted
to chararray under LORegexp Operator
2008-08-18 13:18:37,442 [main] ERROR org.apache.pig.PigServer - Two inputs of BinCond do not
have compatible types
2008-08-18 13:18:37,442 [main] ERROR org.apache.pig.PigServer - Problem resolving LOForEach
schema Two inputs of BinCond do not have compatible types
2008-08-18 13:18:37,442 [main] ERROR org.apache.pig.PigServer - Severe problem found during
validation org.apache.pig.impl.plan.PlanValidationException: An unexpected exception caused
the validation to stop
2008-08-18 13:18:37,447 [main] ERROR org.apache.pig.tools.grunt.GruntParser - java.io.IOException:
Unable to open iterator for alias: B [Two inputs of BinCond do not have compatible typesProblem
resolving LOForEach schema Two inputs of BinCond do not have compatible typesSevere problem
found during validation org.apache.pig.impl.plan.PlanValidationException: An unexpected exception
caused the validation to stop]
        at org.apache.pig.PigServer.compileLp(PigServer.java:582)
        at org.apache.pig.PigServer.execute(PigServer.java:516)
        at org.apache.pig.PigServer.openIterator(PigServer.java:310)
        at org.apache.pig.tools.grunt.GruntParser.processDump(GruntParser.java:258)
        at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:175)
        at org.apache.pig.tools.grunt.GruntParser.parseContOnError(GruntParser.java:92)
        at org.apache.pig.tools.grunt.Grunt.run(Grunt.java:58)
        at org.apache.pig.Main.main(Main.java:278)
Caused by: org.apache.pig.backend.executionengine.ExecException: Two inputs of BinCond do
not have compatible typesProblem resolving LOForEach schema Two inputs of BinCond do not have
compatible typesSevere problem found during validation org.apache.pig.impl.plan.PlanValidationException:
An unexpected exception caused the validation to stop
        ... 8 more
Caused by: org.apache.pig.impl.plan.PlanValidationException: An unexpected exception caused
the validation to stop
        at org.apache.pig.impl.plan.PlanValidator.validateSkipCollectException(PlanValidator.java:104)
        at org.apache.pig.impl.logicalLayer.validators.TypeCheckingValidator.validate(TypeCheckingValidator.java:40)
        at org.apache.pig.impl.logicalLayer.validators.TypeCheckingValidator.validate(TypeCheckingValidator.java:30)
        at org.apache.pig.impl.logicalLayer.validators.LogicalPlanValidationExecutor.validate(LogicalPlanValidationExecutor.java:79)
        at org.apache.pig.PigServer.compileLp(PigServer.java:549)
        ... 7 more
Caused by: org.apache.pig.impl.plan.VisitorException: Problem resolving LOForEach schema Two
inputs of BinCond do not have compatible types
        at org.apache.pig.impl.logicalLayer.validators.TypeCheckingVisitor.visit(TypeCheckingVisitor.java:2251)
        at org.apache.pig.impl.logicalLayer.LOForEach.visit(LOForEach.java:88)
        at org.apache.pig.impl.logicalLayer.LOForEach.visit(LOForEach.java:37)
        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.impl.plan.PlanValidator.validateSkipCollectException(PlanValidator.java:101)

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