[jira] [Commented] (HIVE-11708) Logical operators raises ClassCastExceptions with NULL

["Ryu Kobayashi (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-11708?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16750608#comment-16750608 ] 

Ryu Kobayashi commented on HIVE-11708:
--------------------------------------

I created the patch.

> Logical operators raises ClassCastExceptions with NULL
> ------------------------------------------------------
>
>                 Key: HIVE-11708
>                 URL: https://issues.apache.org/jira/browse/HIVE-11708
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 0.13.0, 1.2.1
>            Reporter: Satoshi Tagomori
>            Assignee: Ryu Kobayashi
>            Priority: Major
>         Attachments: HIVE-11708.01.patch
>
>
> According to Language Manual UDF, logical operators returns NULL if one of arguments is NULL.
> https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF#LanguageManualUDF-LogicalOperators
> But query below fails with ClassCastException.
> {code}
> SELECT COUNT(*) AS c
> FROM tbl
> WHERE 1=1 AND NULL
> {code}
> Exception (on 0.13):
> {noformat}
> 15/08/27 08:56:23 ERROR ql.Driver: FAILED: ClassCastException org.apache.hadoop.hive.serde2.objectinspector.primitive.WritableVoidObjectInspector cannot be cast to org.apache.hadoop.hive.serde2.objectinspector.primitive.BooleanObjectInspector
> java.lang.ClassCastException: org.apache.hadoop.hive.serde2.objectinspector.primitive.WritableVoidObjectInspector cannot be cast to org.apache.hadoop.hive.serde2.objectinspector.primitive.BooleanObjectInspector
> 	at org.apache.hadoop.hive.ql.udf.generic.GenericUDFOPAnd.initialize(GenericUDFOPAnd.java:52)
> 	at org.apache.hadoop.hive.ql.udf.generic.GenericUDF.initializeAndFoldConstants(GenericUDF.java:116)
> 	at org.apache.hadoop.hive.ql.plan.ExprNodeGenericFuncDesc.newInstance(ExprNodeGenericFuncDesc.java:231)
> 	at org.apache.hadoop.hive.ql.parse.TypeCheckProcFactory$DefaultExprProcessor.getXpathOrFuncExprNodeDesc(TypeCheckProcFactory.java:934)
> 	at org.apache.hadoop.hive.ql.parse.TypeCheckProcFactory$DefaultExprProcessor.process(TypeCheckProcFactory.java:1128)
> 	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.DefaultGraphWalker.walk(DefaultGraphWalker.java:132)
> 	at org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.startWalking(DefaultGraphWalker.java:109)
> 	at org.apache.hadoop.hive.ql.parse.TypeCheckProcFactory.genExprNode(TypeCheckProcFactory.java:184)
> 	at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genAllExprNodeDesc(SemanticAnalyzer.java:9716)
> 	at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genExprNodeDesc(SemanticAnalyzer.java:9672)
> 	at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genSelectPlan(SemanticAnalyzer.java:3208)
> 	at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genSelectPlan(SemanticAnalyzer.java:3005)
> 	at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genPostGroupByBodyPlan(SemanticAnalyzer.java:8228)
> 	at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genBodyPlan(SemanticAnalyzer.java:8183)
> 	at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genPlan(SemanticAnalyzer.java:9015)
> 	at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:9281)
> 	at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:327)
> 	at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:427)
> 	at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:323)
> 	at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:980)
> 	at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1045)
> 	at org.apache.hadoop.hive.ql.Driver.run(Driver.java:916)
> 	at org.apache.hadoop.hive.ql.Driver.run(Driver.java:906)
> {noformat}
> I confirmed that Hive 1.2.1 of HDP2.3 Sandbox also raises this exception.



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