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https://issues.apache.org/jira/browse/DRILL-7152?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aman Sinha updated DRILL-7152:
------------------------------
Reviewer: Gautam Parai
> Histogram creation throws exception for all nulls column
> --------------------------------------------------------
>
> Key: DRILL-7152
> URL: https://issues.apache.org/jira/browse/DRILL-7152
> Project: Apache Drill
> Issue Type: Bug
> Components: Query Planning & Optimization
> Reporter: Aman Sinha
> Assignee: Aman Sinha
> Priority: Major
> Fix For: 1.16.0
>
>
> ANALYZE command fails when creating the histogram for a table with 1 column
> with all NULLs.
> Analyze table `table_stats/parquet_col_nulls` compute statistics;
> {noformat}
> Error: SYSTEM ERROR: NullPointerException
> (org.apache.drill.common.exceptions.DrillRuntimeException) Failed to get
> TDigest output
>
> org.apache.drill.exec.test.generated.StreamingAggregatorGen32.outputRecordValues():1085
>
> org.apache.drill.exec.test.generated.StreamingAggregatorGen32.outputToBatchPrev():492
> org.apache.drill.exec.test.generated.StreamingAggregatorGen32.doWork():224
>
> org.apache.drill.exec.physical.impl.aggregate.StreamingAggBatch.innerNext():288
> org.apache.drill.exec.record.AbstractRecordBatch.next():186
> org.apache.drill.exec.record.AbstractRecordBatch.next():126
> org.apache.drill.exec.record.AbstractRecordBatch.next():116
>
> org.apache.drill.exec.physical.impl.statistics.StatisticsMergeBatch.innerNext():358
> org.apache.drill.exec.record.AbstractRecordBatch.next():186
> org.apache.drill.exec.record.AbstractRecordBatch.next():126
> org.apache.drill.exec.record.AbstractRecordBatch.next():116
>
> org.apache.drill.exec.physical.impl.unpivot.UnpivotMapsRecordBatch.innerNext():106
> org.apache.drill.exec.record.AbstractRecordBatch.next():186
> org.apache.drill.exec.record.AbstractRecordBatch.next():126
> org.apache.drill.exec.record.AbstractRecordBatch.next():116
>
> org.apache.drill.exec.physical.impl.StatisticsWriterRecordBatch.innerNext():96
> org.apache.drill.exec.record.AbstractRecordBatch.next():186
> org.apache.drill.exec.record.AbstractRecordBatch.next():126
> org.apache.drill.exec.record.AbstractRecordBatch.next():116
> org.apache.drill.exec.record.AbstractUnaryRecordBatch.innerNext():63
>
> org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext():141
> org.apache.drill.exec.record.AbstractRecordBatch.next():186
> org.apache.drill.exec.physical.impl.BaseRootExec.next():104
>
> org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.innerNext():83
> org.apache.drill.exec.physical.impl.BaseRootExec.next():94
> org.apache.drill.exec.work.fragment.FragmentExecutor$1.run():296
> org.apache.drill.exec.work.fragment.FragmentExecutor$1.run():283
> java.security.AccessController.doPrivileged():-2
> javax.security.auth.Subject.doAs():422
> org.apache.hadoop.security.UserGroupInformation.doAs():1669
> org.apache.drill.exec.work.fragment.FragmentExecutor.run():283
> org.apache.drill.common.SelfCleaningRunnable.run():38
> java.util.concurrent.ThreadPoolExecutor.runWorker():1149
> java.util.concurrent.ThreadPoolExecutor$Worker.run():624
> java.lang.Thread.run():748
> {noformat}
> This table has 1 column with all NULL values:
> {noformat}
> apache drill (dfs.drilltestdir)> select * from
> `table_stats/parquet_col_nulls` limit 20;
> +------+------+
> | col1 | col2 |
> +------+------+
> | 0 | null |
> | 1 | null |
> | 2 | null |
> | 3 | null |
> | 4 | null |
> | 5 | null |
> | 6 | null |
> | 7 | null |
> | 8 | null |
> | 9 | null |
> | 10 | null |
> {noformat}
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