[
https://issues.apache.org/jira/browse/DRILL-4233?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jacques Nadeau reassigned DRILL-4233:
-------------------------------------
Assignee: Jacques Nadeau
> count distinct on a non-existent dir1 column gives NPE
> ------------------------------------------------------
>
> Key: DRILL-4233
> URL: https://issues.apache.org/jira/browse/DRILL-4233
> Project: Apache Drill
> Issue Type: Bug
> Components: Functions - Drill
> Reporter: Rahul Challapalli
> Assignee: Jacques Nadeau
>
> git.commit.id.abbrev=6dea429
> The below query gives an NPE (dir1 does not exist)
> {code}
> select count(distinct dir1) from `parquet/nested_dir/data/drill4192_1/level1`;
> Error: SYSTEM ERROR: NullPointerException
> Fragment 0:0
> {code}
> A similar query on a missing column returns 0
> {code}
> select count(distinct missing_column) from
> `parquet/nested_dir/data/drill4192_1/level1/*`;
> +---------+
> | EXPR$0 |
> +---------+
> | 0 |
> +---------+
> {code}
> Below is the stacktrace for the NPE
> {code}
> Fragment 0:0
> [Error Id: f686845f-9588-420d-ae3f-3217fd78c016 on qa-node190.qa.lab:31010]
> org.apache.drill.common.exceptions.UserException: SYSTEM ERROR:
> NullPointerException
> Fragment 0:0
> [Error Id: f686845f-9588-420d-ae3f-3217fd78c016 on qa-node190.qa.lab:31010]
> at
> org.apache.drill.common.exceptions.UserException$Builder.build(UserException.java:534)
> ~[drill-common-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.sendFinalState(FragmentExecutor.java:321)
> [drill-java-exec-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.cleanup(FragmentExecutor.java:184)
> [drill-java-exec-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:290)
> [drill-java-exec-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> at
> org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38)
> [drill-common-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> [na:1.7.0_71]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> [na:1.7.0_71]
> at java.lang.Thread.run(Thread.java:745) [na:1.7.0_71]
> Caused by: java.lang.NullPointerException: null
> at
> io.netty.buffer.DrillBuf.getPossibleMemoryConsumed(DrillBuf.java:806)
> ~[drill-memory-base-1.5.0-SNAPSHOT.jar:4.0.27.Final]
> at
> org.apache.drill.exec.physical.impl.xsort.ExternalSortBatch.getBufferSize(ExternalSortBatch.java:603)
> ~[drill-java-exec-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.xsort.ExternalSortBatch.innerNext(ExternalSortBatch.java:359)
> ~[drill-java-exec-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162)
> ~[drill-java-exec-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:215)
> ~[drill-java-exec-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:119)
> ~[drill-java-exec-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:109)
> ~[drill-java-exec-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.aggregate.StreamingAggBatch.innerNext(StreamingAggBatch.java:137)
> ~[drill-java-exec-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162)
> ~[drill-java-exec-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:215)
> ~[drill-java-exec-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:119)
> ~[drill-java-exec-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:109)
> ~[drill-java-exec-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.aggregate.StreamingAggBatch.innerNext(StreamingAggBatch.java:137)
> ~[drill-java-exec-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162)
> ~[drill-java-exec-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:215)
> ~[drill-java-exec-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:119)
> ~[drill-java-exec-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:109)
> ~[drill-java-exec-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> at
> org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51)
> ~[drill-java-exec-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext(ProjectRecordBatch.java:132)
> ~[drill-java-exec-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162)
> ~[drill-java-exec-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:215)
> ~[drill-java-exec-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:104)
> ~[drill-java-exec-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.innerNext(ScreenCreator.java:81)
> ~[drill-java-exec-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:94)
> ~[drill-java-exec-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:256)
> ~[drill-java-exec-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:250)
> ~[drill-java-exec-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> at java.security.AccessController.doPrivileged(Native Method)
> ~[na:1.7.0_71]
> at javax.security.auth.Subject.doAs(Subject.java:415) ~[na:1.7.0_71]
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1595)
> ~[hadoop-common-2.7.0-mapr-1506.jar:na]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:250)
> [drill-java-exec-1.5.0-SNAPSHOT.jar:1.5.0-SNAPSHOT]
> ... 4 common frames omitted
> {code}
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