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https://issues.apache.org/jira/browse/DRILL-482?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14033005#comment-14033005
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Jacques Nadeau commented on DRILL-482:
--------------------------------------
merged on or before f86639c
> Cast of non-existent column results in UnsupportedOperation exception
> ---------------------------------------------------------------------
>
> Key: DRILL-482
> URL: https://issues.apache.org/jira/browse/DRILL-482
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Codegen
> Reporter: Steven Phillips
> Assignee: DrillCommitter
> Fix For: 1.0.0-BETA1
>
> Attachments: DRILL-482.1.patch
>
>
> For example, this query:
> select cast(name as varchar(10)) from cp.`tpch/nation.parquet`;
> the column name does not exist.
> here is the stack trace.
> java.lang.UnsupportedOperationException: FunctionCall is not expected here.
> It should have been converted to FunctionHolderExpression in materialization
>
> org.apache.drill.exec.expr.EvaluationVisitor$ConstantFilter.visitFunctionCall(EvaluationVisitor.java:352)
>
> ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
>
> org.apache.drill.exec.expr.EvaluationVisitor$ConstantFilter.visitFunctionCall(EvaluationVisitor.java:340)
>
> ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
>
> org.apache.drill.common.expression.FunctionCall.accept(FunctionCall.java:60)
> ~[drill-common-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
>
> org.apache.drill.exec.expr.EvaluationVisitor$EvalVisitor.visitCastExpression(EvaluationVisitor.java:337)
>
> ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
>
> org.apache.drill.exec.expr.EvaluationVisitor$EvalVisitor.visitCastExpression(EvaluationVisitor.java:76)
>
> ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
>
> org.apache.drill.common.expression.CastExpression.accept(CastExpression.java:41)
>
> ~[drill-common-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
>
> org.apache.drill.exec.expr.EvaluationVisitor$EvalVisitor.visitValueVectorWriteExpression(EvaluationVisitor.java:225)
>
> ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
>
> org.apache.drill.exec.expr.EvaluationVisitor$EvalVisitor.visitUnknown(EvaluationVisitor.java:207)
>
> ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
>
> org.apache.drill.exec.expr.EvaluationVisitor$ConstantFilter.visitUnknown(EvaluationVisitor.java:459)
>
> ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
>
> org.apache.drill.exec.expr.EvaluationVisitor$ConstantFilter.visitUnknown(EvaluationVisitor.java:340)
>
> ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
>
> org.apache.drill.exec.expr.ValueVectorWriteExpression.accept(ValueVectorWriteExpression.java:64)
>
> ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
>
> org.apache.drill.exec.expr.EvaluationVisitor.addExpr(EvaluationVisitor.java:72)
>
> ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
>
> org.apache.drill.exec.expr.ClassGenerator.addExpr(ClassGenerator.java:200)
> ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
>
> org.apache.drill.exec.expr.ClassGenerator.addExpr(ClassGenerator.java:194)
> ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
>
> org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.setupNewSchema(ProjectRecordBatch.java:154)
>
> ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
>
> org.apache.drill.exec.record.AbstractSingleRecordBatch.next(AbstractSingleRecordBatch.java:53)
>
> ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
>
> org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.next(ScreenCreator.java:85)
>
> ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
>
> org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:83)
>
> ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
>
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> [na:1.7.0_21]
>
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> [na:1.7.0_21]
> java.lang.Thread.run(Thread.java:722) [na:1.7.0_21]
> We should handle this case better. Calling cast on a null instance should
> simply return a null instance.
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