[jira] [Commented] (HIVE-5899) NPE during explain extended with char/varchar columns

["Harish Butani (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-5899?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13837018#comment-13837018 ] 

Harish Butani commented on HIVE-5899:
-------------------------------------

+1

> NPE during explain extended with char/varchar columns
> -----------------------------------------------------
>
>                 Key: HIVE-5899
>                 URL: https://issues.apache.org/jira/browse/HIVE-5899
>             Project: Hive
>          Issue Type: Bug
>          Components: Statistics
>            Reporter: Jason Dere
>            Assignee: Jason Dere
>         Attachments: HIVE-5899.1.patch
>
>
> Running analyze table .. for columns with char/varchar columns and subsequently trying to run explain extended will get a NullPointerException when Hive tries to annotate the operator tree with stats:
> 2013-11-26 01:53:06,682 ERROR ql.Driver (SessionState.java:printError(440)) - FAILED: NullPointerException null
> java.lang.NullPointerException
> at org.apache.hadoop.hive.metastore.api.ColumnStatisticsData.getFieldDesc(ColumnStatisticsData.java:367)
> at org.apache.hadoop.hive.metastore.api.ColumnStatisticsData.getStringStats(ColumnStatisticsData.java:444)
> at org.apache.hadoop.hive.ql.stats.StatsUtils.getColStatistics(StatsUtils.java:414)
> at org.apache.hadoop.hive.ql.stats.StatsUtils.getTableColumnStatsForColumn(StatsUtils.java:369)
> at org.apache.hadoop.hive.ql.stats.StatsUtils.getTableColumnStats(StatsUtils.java:465)
> at org.apache.hadoop.hive.ql.stats.StatsUtils.collectStatistics(StatsUtils.java:109)
> at org.apache.hadoop.hive.ql.optimizer.stats.annotation.StatsRulesProcFactory$TableScanStatsRule.process(StatsRulesProcFactory.java:102)
> at org.apache.hadoop.hive.ql.lib.DefaultRuleDispatcher.dispatch(DefaultRuleDispatcher.java:90)
> at org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.dispatchAndReturn(DefaultGraphWalker.java:94)
> at org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.dispatch(DefaultGraphWalker.java:78)
> at org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:54)
> at org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.startWalking(DefaultGraphWalker.java:109)
> at org.apache.hadoop.hive.ql.optimizer.stats.annotation.AnnotateWithStatistics.transform(AnnotateWithStatistics.java:76)
> at org.apache.hadoop.hive.ql.optimizer.Optimizer.optimize(Optimizer.java:136)
> at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:8913)
> at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:292)
> at org.apache.hadoop.hive.ql.parse.ExplainSemanticAnalyzer.analyzeInternal(ExplainSemanticAnalyzer.java:65)
> at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:292)
> at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:441)
> at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:341)
> at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:994)
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:905)
> at org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:268)
> at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:220)
> at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:422)
> at org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:790)
> at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:684)
> at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:623)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.util.RunJar.main(RunJar.java:212)



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