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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-5656) Hive produces unclear, confusing SemanticException when dealing with mod or pmod by zero
Date Mon, 28 Oct 2013 22:24:31 GMT

    [ https://issues.apache.org/jira/browse/HIVE-5656?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13807404#comment-13807404
] 

Hudson commented on HIVE-5656:
------------------------------

SUCCESS: Integrated in Hive-trunk-hadoop1-ptest #217 (See [https://builds.apache.org/job/Hive-trunk-hadoop1-ptest/217/])
HIVE-5656 : Hive produces unclear, confusing SemanticException when dealing with mod or pmod
by zero (Xuefu Zhang via Ashutosh Chauhan) (hashutosh: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1536476)
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/udf/UDFOPMod.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/udf/UDFPosMod.java
* /hive/trunk/ql/src/test/org/apache/hadoop/hive/ql/udf/TestUDFOPMod.java
* /hive/trunk/ql/src/test/org/apache/hadoop/hive/ql/udf/TestUDFPosMod.java
* /hive/trunk/ql/src/test/results/clientpositive/vectorization_14.q.out


> Hive produces unclear, confusing SemanticException when dealing with mod or pmod by zero
> ----------------------------------------------------------------------------------------
>
>                 Key: HIVE-5656
>                 URL: https://issues.apache.org/jira/browse/HIVE-5656
>             Project: Hive
>          Issue Type: Bug
>          Components: Types
>    Affects Versions: 0.12.0
>            Reporter: Xuefu Zhang
>            Assignee: Xuefu Zhang
>             Fix For: 0.13.0
>
>         Attachments: HIVE-5656.patch
>
>
> {code}
> hive> select 5%0 from tmp2 limit 1;
> FAILED: SemanticException [Error 10014]: Line 1:7 Wrong arguments '0': org.apache.hadoop.hive.ql.metadata.HiveException:
Unable to execute method public org.apache.hadoop.io.IntWritable org.apache.hadoop.hive.ql.udf.UDFOPMod.evaluate(org.apache.hadoop.io.IntWritable,org.apache.hadoop.io.IntWritable)
 on object org.apache.hadoop.hive.ql.udf.UDFOPMod@21b594a9 of class org.apache.hadoop.hive.ql.udf.UDFOPMod
with arguments {5:org.apache.hadoop.io.IntWritable, 0:org.apache.hadoop.io.IntWritable} of
size 2
> hive> select pmod(5,0) from tmp2 limit 1;
> FAILED: SemanticException [Error 10014]: Line 1:7 Wrong arguments '0': org.apache.hadoop.hive.ql.metadata.HiveException:
Unable to execute method public org.apache.hadoop.io.IntWritable org.apache.hadoop.hive.ql.udf.UDFPosMod.evaluate(org.apache.hadoop.io.IntWritable,org.apache.hadoop.io.IntWritable)
 on object org.apache.hadoop.hive.ql.udf.UDFPosMod@174ed99a of class org.apache.hadoop.hive.ql.udf.UDFPosMod
with arguments {5:org.apache.hadoop.io.IntWritable, 0:org.apache.hadoop.io.IntWritable} of
size 2
> {code}
> Exception stack:
> {code}
>         at org.apache.hadoop.hive.ql.parse.TypeCheckProcFactory$DefaultExprProcessor.process(TypeCheckProcFactory.java:1112)
>         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:181)
>         at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genAllExprNodeDesc(SemanticAnalyzer.java:8870)
>         at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genExprNodeDesc(SemanticAnalyzer.java:8826)
>         at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genSelectPlan(SemanticAnalyzer.java:2734)
>         at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genSelectPlan(SemanticAnalyzer.java:2531)
>         at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genPostGroupByBodyPlan(SemanticAnalyzer.java:7606)
>         at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genBodyPlan(SemanticAnalyzer.java:7562)
>         at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genPlan(SemanticAnalyzer.java:8365)
>         at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:8591)
>         at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:284)
>         at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:451)
>         at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:351)
>         at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1004)
>         at org.apache.hadoop.hive.ql.Driver.run(Driver.java:915)
>         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:57)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:601)
>         at org.apache.hadoop.util.RunJar.main(RunJar.java:208)
> {code}
> The correct behaviour should be producing NULL.



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