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Posted to dev@hive.apache.org by "Ido Hadanny (JIRA)" <ji...@apache.org> on 2011/08/03 15:19:27 UTC
[jira] [Updated] (HIVE-2341)
SemanticAnalyzer.genJoinReduceSinkChild fails with NPE unless you specify
an un-necessary table alias
[ https://issues.apache.org/jira/browse/HIVE-2341?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ido Hadanny updated HIVE-2341:
------------------------------
Priority: Major (was: Minor)
> SemanticAnalyzer.genJoinReduceSinkChild fails with NPE unless you specify an un-necessary table alias
> -----------------------------------------------------------------------------------------------------
>
> Key: HIVE-2341
> URL: https://issues.apache.org/jira/browse/HIVE-2341
> Project: Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.7.1
> Reporter: Ido Hadanny
>
> Following query:
> select * from
> V_EMF_LEARNING_ACTUAL_CHURN
> join
> (select count(*) as total from standard_connections) b
> fails with the NPE listed below. It doesn't if you add an alias to the table like so:
> select * from
> V_EMF_LEARNING_ACTUAL_CHURN a
> join
> (select count(*) as total from standard_connections) b
> The exception I'm getting:
> java.lang.NullPointerException
> at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genJoinReduceSinkChild(SemanticAnalyzer.java:4440)
> at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genJoinOperator(SemanticAnalyzer.java:4545)
> at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genJoinPlan(SemanticAnalyzer.java:4704)
> at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genPlan(SemanticAnalyzer.java:6011)
> at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:6603)
> at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:238)
> at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:340)
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