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https://issues.apache.org/jira/browse/DRILL-7471?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16990775#comment-16990775
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ASF GitHub Bot commented on DRILL-7471:
---------------------------------------
vvysotskyi commented on pull request #1919: DRILL-7471: DESCRIBE TABLE command
fails with ClassCastException when Metastore is enabled
URL: https://github.com/apache/drill/pull/1919
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> describe table command fails with ClassCastException when metastore is enabled
> ------------------------------------------------------------------------------
>
> Key: DRILL-7471
> URL: https://issues.apache.org/jira/browse/DRILL-7471
> Project: Apache Drill
> Issue Type: Bug
> Affects Versions: 1.17.0
> Reporter: Vova Vysotskyi
> Assignee: Vova Vysotskyi
> Priority: Blocker
> Labels: ready-to-commit
> Fix For: 1.17.0
>
>
> For the case when metastore is enabled and {{ANALYZE}} was produced for the
> table, {{DESCRIBE TABLE}} statement fails with ClassCastException:
> {code:sql}
> set `metastore.enabled`=true;
> analyze table lineitem refresh metadata;
> describe table lineitem;
> {code}
> {noformat}
> Error: SYSTEM ERROR: ClassCastException: java.lang.Long cannot be cast to
> java.lang.Double
> {noformat}
> Stack trace from the logs:
> {noformat}
> org.apache.drill.common.exceptions.UserException: SYSTEM ERROR:
> ClassCastException: java.lang.Long cannot be cast to java.lang.Double
> Fragment 0:0
> Please, refer to logs for more information.
> [Error Id: 6b1295ee-7674-4362-a3c4-096e0688ed0b on user515050-pc:31010]
> at
> org.apache.drill.common.exceptions.UserException$Builder.build(UserException.java:637)
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.sendFinalState(FragmentExecutor.java:363)
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.cleanup(FragmentExecutor.java:219)
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:329)
> at
> org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: java.lang.ClassCastException: java.lang.Long cannot be cast to
> java.lang.Double
> at
> org.apache.drill.exec.store.ischema.Records$Column.<init>(Records.java:652)
> at
> org.apache.drill.exec.store.ischema.RecordCollector$MetastoreRecordCollector.lambda$columns$4(RecordCollector.java:350)
> at java.util.ArrayList.forEach(ArrayList.java:1257)
> at
> org.apache.drill.exec.store.ischema.RecordCollector$MetastoreRecordCollector.columns(RecordCollector.java:333)
> at
> org.apache.drill.exec.store.ischema.RecordCollector$MetastoreRecordCollector.lambda$columns$3(RecordCollector.java:308)
> at
> java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
> at
> java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175)
> at
> java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1382)
> at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
> at
> java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
> at
> java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)
> at
> java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)
> at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
> at
> java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:485)
> at
> org.apache.drill.exec.store.ischema.RecordCollector$MetastoreRecordCollector.columns(RecordCollector.java:309)
> at
> org.apache.drill.exec.store.ischema.InfoSchemaRecordGenerator$Columns.collect(InfoSchemaRecordGenerator.java:170)
> at
> org.apache.drill.exec.store.ischema.InfoSchemaRecordGenerator.lambda$visit$0(InfoSchemaRecordGenerator.java:75)
> at
> java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
> at
> java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1382)
> at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
> at
> java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
> at java.util.stream.ReduceOps$ReduceTask.doLeaf(ReduceOps.java:747)
> at java.util.stream.ReduceOps$ReduceTask.doLeaf(ReduceOps.java:721)
> at java.util.stream.AbstractTask.compute(AbstractTask.java:327)
> at java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:731)
> at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
> at java.util.concurrent.ForkJoinTask.doInvoke(ForkJoinTask.java:401)
> at java.util.concurrent.ForkJoinTask.invoke(ForkJoinTask.java:734)
> at
> java.util.stream.ReduceOps$ReduceOp.evaluateParallel(ReduceOps.java:714)
> at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:233)
> at
> java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:566)
> at
> org.apache.drill.exec.store.ischema.InfoSchemaRecordGenerator.visit(InfoSchemaRecordGenerator.java:77)
> at
> org.apache.drill.exec.store.ischema.InfoSchemaRecordGenerator.scanSchema(InfoSchemaRecordGenerator.java:69)
> at
> org.apache.drill.exec.store.ischema.InfoSchemaRecordGenerator.scanSchema(InfoSchemaRecordGenerator.java:63)
> at
> org.apache.drill.exec.store.ischema.InfoSchemaRecordGenerator.scanSchema(InfoSchemaRecordGenerator.java:63)
> at
> org.apache.drill.exec.store.ischema.InfoSchemaRecordGenerator.scanSchema(InfoSchemaRecordGenerator.java:51)
> at
> org.apache.drill.exec.store.ischema.InfoSchemaTableType.getRecordReader(InfoSchemaTableType.java:87)
> at
> org.apache.drill.exec.store.ischema.InfoSchemaBatchCreator.getBatch(InfoSchemaBatchCreator.java:35)
> at
> org.apache.drill.exec.store.ischema.InfoSchemaBatchCreator.getBatch(InfoSchemaBatchCreator.java:30)
> at
> org.apache.drill.exec.physical.impl.ImplCreator.getRecordBatch(ImplCreator.java:163)
> at
> org.apache.drill.exec.physical.impl.ImplCreator.getChildren(ImplCreator.java:186)
> at
> org.apache.drill.exec.physical.impl.ImplCreator.getRecordBatch(ImplCreator.java:141)
> at
> org.apache.drill.exec.physical.impl.ImplCreator.getChildren(ImplCreator.java:186)
> at
> org.apache.drill.exec.physical.impl.ImplCreator.getRootExec(ImplCreator.java:114)
> at
> org.apache.drill.exec.physical.impl.ImplCreator.getExec(ImplCreator.java:90)
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:263)
> ... 4 common frames omitted
> {noformat}
> This issue was caused by DRILL-7273 because there were mixed statistics and
> metadata and therefore in some places was misused
> {{ColumnStatisticsKind.NON_NULL_COUNT}} column statistics.
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