xiepengjie created HIVE-22412: --------------------------------- Summary: StatsUtils throw NPE when explain Key: HIVE-22412 URL: https://issues.apache.org/jira/browse/HIVE-22412 Project: Hive Issue Type: Bug Components: HiveServer2 Reporter: xiepengjie Assignee: xiepengjie
The demo like this: {code:java} create table explain_npe ( c1 map<string, string> ); explain select c1 from explain_npe where c1 is null;{code} error like: {code:java} 2019-10-10 09:11:52,670 ERROR ql.Driver (SessionState.java:printError(1068)) - FAILED: NullPointerException null java.lang.NullPointerException at org.apache.hadoop.hive.ql.stats.StatsUtils.getSizeOfMap(StatsUtils.java:1045) at org.apache.hadoop.hive.ql.stats.StatsUtils.getSizeOfComplexTypes(StatsUtils.java:931) at org.apache.hadoop.hive.ql.stats.StatsUtils.getAvgColLenOfVariableLengthTypes(StatsUtils.java:869) at org.apache.hadoop.hive.ql.stats.StatsUtils.estimateRowSizeFromSchema(StatsUtils.java:526) at org.apache.hadoop.hive.ql.stats.StatsUtils.collectStatistics(StatsUtils.java:223) at org.apache.hadoop.hive.ql.stats.StatsUtils.collectStatistics(StatsUtils.java:136) at org.apache.hadoop.hive.ql.stats.StatsUtils.collectStatistics(StatsUtils.java:124) at org.apache.hadoop.hive.ql.optimizer.stats.annotation.StatsRulesProcFactory$TableScanStatsRule.process(StatsRulesProcFactory.java:111) at org.apache.hadoop.hive.ql.lib.DefaultRuleDispatcher.dispatch(DefaultRuleDispatcher.java:90) at org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.dispatchAndReturn(DefaultGraphWalker.java:95) at org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.dispatch(DefaultGraphWalker.java:79) at org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:56) at org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.startWalking(DefaultGraphWalker.java:110) at org.apache.hadoop.hive.ql.optimizer.stats.annotation.AnnotateWithStatistics.transform(AnnotateWithStatistics.java:78) at org.apache.hadoop.hive.ql.optimizer.Optimizer.optimize(Optimizer.java:192) at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:10205) at org.apache.hadoop.hive.ql.parse.CalcitePlanner.analyzeInternal(CalcitePlanner.java:210) at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:227) at org.apache.hadoop.hive.ql.parse.ExplainSemanticAnalyzer.analyzeInternal(ExplainSemanticAnalyzer.java:74) at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:227) at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:425) at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:309) at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:1153) at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1206) at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1082) at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1072) at org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:213) at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:165) at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:376) at org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:736) at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:681) at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:621) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.hadoop.util.RunJar.run(RunJar.java:221) at org.apache.hadoop.util.RunJar.main(RunJar.java:136) {code} -- This message was sent by Atlassian Jira (v8.3.4#803005)