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https://issues.apache.org/jira/browse/HIVE-19771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16510000#comment-16510000
 ] 

Jesus Camacho Rodriguez commented on HIVE-19771:
------------------------------------------------

[~ashutoshc], this came back with a clean run. Could you take a look? Thanks

> allowNullColumnForMissingStats should not be false when column stats are 
> estimated
> ----------------------------------------------------------------------------------
>
>                 Key: HIVE-19771
>                 URL: https://issues.apache.org/jira/browse/HIVE-19771
>             Project: Hive
>          Issue Type: Bug
>          Components: CBO
>    Affects Versions: 3.0.0
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>            Priority: Major
>         Attachments: HIVE-19771.01.patch, HIVE-19771.02.patch, 
> HIVE-19771.03.patch, HIVE-19771.04.patch, HIVE-19771.patch
>
>
> Otherwise we may throw an Exception.
> {noformat}
> 2018-05-26T00:30:22,335 DEBUG [HiveServer2-Background-Pool: Thread-631]: 
> stats.StatsUtils (:()) - Estimated average row size: 372
> 2018-05-26T00:30:22,352 DEBUG [HiveServer2-Background-Pool: Thread-631]: 
> calcite.RelOptHiveTable (:()) - Stats for column a in table basetable_rebuild 
> stored in cache
> 2018-05-26T00:30:22,352 DEBUG [HiveServer2-Background-Pool: Thread-631]: 
> calcite.RelOptHiveTable (:()) -  colName: a colType: int countDistincts: 4 
> numNulls: 1 avgColLen: 4.0 numTrues: 0 numFalses: 0 Range: [ min: 
> -9223372036854775808 max: 9223372036854775807 ] isPrimaryKey: false 
> isEstimated: true
> 2018-05-26T00:30:22,352 DEBUG [HiveServer2-Background-Pool: Thread-631]: 
> calcite.RelOptHiveTable (:()) - Stats for column b in table basetable_rebuild 
> stored in cache
> 2018-05-26T00:30:22,352 DEBUG [HiveServer2-Background-Pool: Thread-631]: 
> calcite.RelOptHiveTable (:()) -  colName: b colType: varchar(256) 
> countDistincts: 4 numNulls: 1 avgColLen: 256.0 numTrues: 0 numFalses: 0 
> isPrimaryKey: false isEstimated: true
> 2018-05-26T00:30:22,352 ERROR [HiveServer2-Background-Pool: Thread-631]: 
> calcite.RelOptHiveTable (:()) - No Stats for default@basetable_rebuild, 
> Columns: a, b
> java.lang.RuntimeException: No Stats for default@basetable_rebuild, Columns: 
> a, b
>         at 
> org.apache.hadoop.hive.ql.optimizer.calcite.RelOptHiveTable.updateColStats(RelOptHiveTable.java:586)
>  ~[hive-exec-3.0.0.jar:3.0.0-SNAPSHOT]
>         at 
> org.apache.hadoop.hive.ql.optimizer.calcite.RelOptHiveTable.getColStat(RelOptHiveTable.java:606)
>  ~[hive-exec-3.0.0.jar:3.0.0-SNAPSHOT]
>         at 
> org.apache.hadoop.hive.ql.optimizer.calcite.RelOptHiveTable.getColStat(RelOptHiveTable.java:592)
>  ~[hive-exec-3.0.0.jar:3.0.0-SNAPSHOT]
>         at 
> org.apache.hadoop.hive.ql.optimizer.calcite.reloperators.HiveTableScan.getColStat(HiveTableScan.java:155)
>  ~[hive-exec-3.0.0.jar:3.0.0-SNAPSHOT]
>         at 
> org.apache.hadoop.hive.ql.optimizer.calcite.stats.HiveRelMdDistinctRowCount.getDistinctRowCount(HiveRelMdDistinctRowCount.java:78)
>  ~[hive-exec-3.0.0.jar:3.0.0-SNAPSHOT]
>         at 
> org.apache.hadoop.hive.ql.optimizer.calcite.stats.HiveRelMdDistinctRowCount.getDistinctRowCount(HiveRelMdDistinctRowCount.java:65)
>  ~[hive-exec-3.0.0.jar:3.0.0-SNAPSHOT]
>         at 
> GeneratedMetadataHandler_DistinctRowCount.getDistinctRowCount_$(Unknown 
> Source) ~[?:?]
>         at 
> GeneratedMetadataHandler_DistinctRowCount.getDistinctRowCount(Unknown Source) 
> ~[?:?]
>         at 
> org.apache.calcite.rel.metadata.RelMetadataQuery.getDistinctRowCount(RelMetadataQuery.java:781)
>  ~[calcite-core-1.16.0.jar:1.16.0]
>         at 
> org.apache.calcite.rel.metadata.RelMdRowCount.getRowCount(RelMdRowCount.java:207)
>  ~[calcite-core-1.16.0.jar:1.16.0]
>         at GeneratedMetadataHandler_RowCount.getRowCount_$(Unknown Source) 
> ~[?:?]
>         at GeneratedMetadataHandler_RowCount.getRowCount(Unknown Source) 
> ~[?:?]
>         at 
> org.apache.calcite.rel.metadata.RelMetadataQuery.getRowCount(RelMetadataQuery.java:235)
>  ~[calcite-core-1.16.0.jar:1.16.0]
>         at 
> org.apache.calcite.rel.externalize.RelWriterImpl.explain_(RelWriterImpl.java:100)
>  ~[calcite-core-1.16.0.jar:1.16.0]
>         at 
> org.apache.calcite.rel.externalize.RelWriterImpl.done(RelWriterImpl.java:156) 
> ~[calcite-core-1.16.0.jar:1.16.0]
>         at 
> org.apache.calcite.rel.AbstractRelNode.explain(AbstractRelNode.java:312) 
> ~[calcite-core-1.16.0.jar:1.16.0]
>         at org.apache.calcite.plan.RelOptUtil.toString(RelOptUtil.java:1991) 
> ~[calcite-core-1.16.0.jar:1.16.0]
>         at 
> org.apache.hadoop.hive.ql.parse.CalcitePlanner$CalcitePlannerAction.apply(CalcitePlanner.java:1898)
>  ~[hive-exec-3.0.0.jar:3.0.0-SNAPSHOT]
>         at 
> org.apache.hadoop.hive.ql.parse.CalcitePlanner$CalcitePlannerAction.apply(CalcitePlanner.java:1613)
>  ~[hive-exec-3.0.0.jar:3.0.0-SNAPSHOT]
>         at org.apache.calcite.tools.Frameworks$1.apply(Frameworks.java:118) 
> ~[calcite-core-1.16.0.jar:1.16.0]
>         at 
> org.apache.calcite.prepare.CalcitePrepareImpl.perform(CalcitePrepareImpl.java:1052)
>  ~[calcite-core-1.16.0.jar:1.16.0]
>         at 
> org.apache.calcite.tools.Frameworks.withPrepare(Frameworks.java:154) 
> ~[calcite-core-1.16.0.jar:1.16.0]
>         at 
> org.apache.calcite.tools.Frameworks.withPlanner(Frameworks.java:111) 
> ~[calcite-core-1.16.0.jar:1.16.0]
>         at 
> org.apache.hadoop.hive.ql.parse.CalcitePlanner.logicalPlan(CalcitePlanner.java:1418)
>  ~[hive-exec-3.0.0.jar:3.0.0-SNAPSHOT]
>         at 
> org.apache.hadoop.hive.ql.parse.CalcitePlanner.genLogicalPlan(CalcitePlanner.java:369)
>  ~[hive-exec-3.0.0.jar:3.0.0-SNAPSHOT]
>         at 
> org.apache.hadoop.hive.ql.metadata.HiveMaterializedViewsRegistry.parseQuery(HiveMaterializedViewsRegistry.java:416)
>  ~[hive-exec-3.0.0.jar:3.0.0-SNAPSHOT]
>         at 
> org.apache.hadoop.hive.ql.metadata.HiveMaterializedViewsRegistry.addMaterializedView(HiveMaterializedViewsRegistry.java:225)
>  ~[hive-exec-3.0.0.jar:3.0.0-SNAPSHOT]
>         at 
> org.apache.hadoop.hive.ql.metadata.HiveMaterializedViewsRegistry.createMaterializedView(HiveMaterializedViewsRegistry.java:188)
>  ~[hive-exec-3.0.0.jar:3.0.0-SNAPSHOT]
>         at 
> org.apache.hadoop.hive.ql.exec.MaterializedViewTask.execute(MaterializedViewTask.java:61)
>  ~[hive-exec-3.0.0.jar:3.0.0-SNAPSHOT]
>         at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:205) 
> ~[hive-exec-3.0.0.jar:3.0.0-SNAPSHOT]
>         at 
> org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:97) 
> ~[hive-exec-3.0.0.jar:3.0.0-SNAPSHOT]
>         at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:2479) 
> ~[hive-exec-3.0.0.jar:3.0.0-SNAPSHOT]
>         at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:2150) 
> ~[hive-exec-3.0.0.jar:3.0.0-SNAPSHOT]
>         at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1826) 
> ~[hive-exec-3.0.0.jar:3.0.0-SNAPSHOT]
>         at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1567) 
> ~[hive-exec-3.0.0.jar:3.0.0-SNAPSHOT]
>         at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1561) 
> ~[hive-exec-3.0.0.jar:3.0.0-SNAPSHOT]
>         at 
> org.apache.hadoop.hive.ql.reexec.ReExecDriver.run(ReExecDriver.java:157) 
> ~[hive-exec-3.0.0.jar:3.0.0-SNAPSHOT]
>         at 
> org.apache.hive.service.cli.operation.SQLOperation.runQuery(SQLOperation.java:221)
>  ~[hive-service-3.0.0.jar:3.0.0]
>         at 
> org.apache.hive.service.cli.operation.SQLOperation.access$700(SQLOperation.java:87)
>  ~[hive-service-3.0.0.jar:3.0.0]
> {noformat}



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