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https://issues.apache.org/jira/browse/DRILL-2255?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Hanifi Gunes updated DRILL-2255:
--------------------------------
Component/s: Execution - Relational Operators
> Flatten fails on a non-existing field.
> --------------------------------------
>
> Key: DRILL-2255
> URL: https://issues.apache.org/jira/browse/DRILL-2255
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Relational Operators
> Reporter: Hanifi Gunes
>
> Running
> {code}
> select flatten(i_dont_exist) from any.json
> {code}
> Flattening a non-existing column on JSON fails with the following:
> {code}
> java.lang.ClassCastException: org.apache.drill.exec.vector.NullableIntVector
> cannot be cast to org.apache.drill.exec.vector.RepeatedVector
> at
> org.apache.drill.exec.physical.impl.flatten.FlattenRecordBatch.getFlattenFieldTransferPair(FlattenRecordBatch.java:278)
> ~[classes/:na]
> at
> org.apache.drill.exec.physical.impl.flatten.FlattenRecordBatch.setupNewSchema(FlattenRecordBatch.java:304)
> ~[classes/:na]
> at
> org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:78)
> ~[classes/:na]
> at
> org.apache.drill.exec.physical.impl.flatten.FlattenRecordBatch.innerNext(FlattenRecordBatch.java:122)
> ~[classes/:na]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:142)
> ~[classes/:na]
> at
> org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:118)
> ~[classes/:na]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:99)
> ~[classes/:na]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:89)
> ~[classes/:na]
> at
> org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51)
> ~[classes/:na]
> at
> org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext(ProjectRecordBatch.java:134)
> ~[classes/:na]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:142)
> ~[classes/:na]
> at
> org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:118)
> ~[classes/:na]
> at
> org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:67)
> ~[classes/:na]
> at
> org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.innerNext(ScreenCreator.java:97)
> ~[classes/:na]
> at
> org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:57)
> ~[classes/:na]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:116)
> ~[classes/:na]
> at
> org.apache.drill.exec.work.WorkManager$RunnableWrapper.run(WorkManager.java:303)
> [classes/:na]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> [na:1.7.0_65]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> [na:1.7.0_65]
> at java.lang.Thread.run(Thread.java:745) [na:1.7.0_65]
> {code}
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