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From "Richard Ding (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-3107) More semantic analysis errors
Date Mon, 11 Jun 2012 16:40:43 GMT

    [ https://issues.apache.org/jira/browse/HIVE-3107?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13292867#comment-13292867
] 

Richard Ding commented on HIVE-3107:
------------------------------------




{code}
FAILED: Error in semantic analysis: Line 1:15 Expression not in GROUP BY key 'c'
12/06/11 09:36:56 ERROR ql.Driver: FAILED: Error in semantic analysis: Line 1:15 Expression
not in GROUP BY key 'c'
org.apache.hadoop.hive.ql.parse.SemanticException: Line 1:15 Expression not in GROUP BY key
'c'
	at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genExprNodeDesc(SemanticAnalyzer.java:7510)
	at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genSelectPlan(SemanticAnalyzer.java:2256)
	at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genSelectPlan(SemanticAnalyzer.java:2058)
	at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genBodyPlan(SemanticAnalyzer.java:5921)
	at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genPlan(SemanticAnalyzer.java:6524)
	at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:7282)
	at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:243)
	at org.apache.hadoop.hive.ql.parse.ExplainSemanticAnalyzer.analyzeInternal(ExplainSemanticAnalyzer.java:48)
	at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:243)
	at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:430)
	at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:337)
	at org.apache.hadoop.hive.ql.Driver.run(Driver.java:889)
	at org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:255)
	at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:212)
	at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:403)
	at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:671)
	at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:554)
	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:156)
{code}
                
> More semantic analysis errors
> -----------------------------
>
>                 Key: HIVE-3107
>                 URL: https://issues.apache.org/jira/browse/HIVE-3107
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.9.0
>            Reporter: Richard Ding
>
> This is related to HIVE-1922.
> Following queries all fail with various SemanticExceptions:
> {code}
> explain select t.c from t group by c;
> explain select t.c from t group by c sort by t.c; 
> explain select t.c as c0 from t group by c0;
> explain select t.c from t group by t.c sort by t.c; 
> {code}
> It is true that one could always find a version of any of above queries that works. But
one has to try to find out and it doesn't work well with machine generated SQL queries.

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