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https://issues.apache.org/jira/browse/DRILL-6020?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16287725#comment-16287725
]
ASF GitHub Bot commented on DRILL-6020:
---------------------------------------
GitHub user MitchelLabonte opened a pull request:
https://github.com/apache/drill/pull/1068
DRILL-6020 Fix NullPointerException when querying JSON untyped path w…
…ith Union setting on
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/MitchelLabonte/drill DRILL-6020
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/drill/pull/1068.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #1068
----
commit ccd6af90fc7a4f1fbd8204d84617bd12ff3207d6
Author: mitchel <[email protected]>
Date: 2017-12-12T14:57:55Z
DRILL-6020 Fix NullPointerException when querying JSON untyped path with
Union setting on
----
> NullPointerException with Union setting on when querying JSON untyped path
> --------------------------------------------------------------------------
>
> Key: DRILL-6020
> URL: https://issues.apache.org/jira/browse/DRILL-6020
> Project: Apache Drill
> Issue Type: Bug
> Reporter: Mitchel Labonte
>
> h1. Steps to reproduce
> alter session set `exec.enable_union_type`=true;
> select tb.level1.dta from dfs.`file.json` tb;
> *Content of file.json:*
> {noformat}
> {"level1":{"dta":{"test":"test"}}}
> {"level1":{"dta":"test"}}
> {noformat}
> h1. Stack trace
> Error: SYSTEM ERROR: NullPointerException
> Fragment 0:0
> [Error Id: fe267584-32f3-413c-a77c-fc5b5c1ba513 on localhost:31010]
> (java.lang.NullPointerException) null
>
> org.apache.drill.exec.vector.complex.FieldIdUtil.getFieldIdIfMatchesUnion():34
> org.apache.drill.exec.vector.complex.FieldIdUtil.getFieldIdIfMatches():135
> org.apache.drill.exec.vector.complex.FieldIdUtil.getFieldIdIfMatches():130
> org.apache.drill.exec.vector.complex.FieldIdUtil.getFieldId():201
> org.apache.drill.exec.record.SimpleVectorWrapper.getFieldIdIfMatches():102
> org.apache.drill.exec.record.VectorContainer.getValueVectorId():298
> org.apache.drill.exec.physical.impl.ScanBatch.getValueVectorId():313
>
> org.apache.drill.exec.expr.ExpressionTreeMaterializer$MaterializeVisitor.visitSchemaPath():289
>
> org.apache.drill.exec.expr.ExpressionTreeMaterializer$MaterializeVisitor.visitSchemaPath():272
> org.apache.drill.common.expression.SchemaPath.accept():150
>
> org.apache.drill.exec.expr.ExpressionTreeMaterializer$AbstractMaterializeVisitor.visitFunctionCall():399
>
> org.apache.drill.exec.expr.ExpressionTreeMaterializer$AbstractMaterializeVisitor.visitFunctionCall():331
> org.apache.drill.common.expression.FunctionCall.accept():60
> org.apache.drill.exec.expr.ExpressionTreeMaterializer.materialize():169
> org.apache.drill.exec.expr.ExpressionTreeMaterializer.materialize():147
>
> org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.setupNewSchema():421
> org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext():78
>
> org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext():133
> org.apache.drill.exec.record.AbstractRecordBatch.next():162
> org.apache.drill.exec.physical.impl.BaseRootExec.next():105
>
> org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.innerNext():81
> org.apache.drill.exec.physical.impl.BaseRootExec.next():95
> org.apache.drill.exec.work.fragment.FragmentExecutor$1.run():234
> org.apache.drill.exec.work.fragment.FragmentExecutor$1.run():227
> java.security.AccessController.doPrivileged():-2
> javax.security.auth.Subject.doAs():422
> org.apache.hadoop.security.UserGroupInformation.doAs():1657
> org.apache.drill.exec.work.fragment.FragmentExecutor.run():227
> org.apache.drill.common.SelfCleaningRunnable.run():38
> java.util.concurrent.ThreadPoolExecutor.runWorker():1142
> java.util.concurrent.ThreadPoolExecutor$Worker.run():617
> java.lang.Thread.run():745 (state=,code=0)
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