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https://issues.apache.org/jira/browse/HIVE-7635?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14095110#comment-14095110
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Chaoyu Tang commented on HIVE-7635:
-----------------------------------
[~szehon] & [~ashutoshc] Thanks for reviewing and committing the patch.
> Query having same aggregate functions but different case throws
> IndexOutOfBoundsException
> -----------------------------------------------------------------------------------------
>
> Key: HIVE-7635
> URL: https://issues.apache.org/jira/browse/HIVE-7635
> Project: Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.13.1
> Reporter: Chaoyu Tang
> Assignee: Chaoyu Tang
> Fix For: 0.14.0
>
> Attachments: HIVE-7635.1.patch, HIVE-7635.patch
>
>
> A query having same aggregate functions (e.g. count) but in different case
> does not work and throws IndexOutOfBoundsException.
> {code}
> Query:
> SELECT key, COUNT(value) FROM src GROUP BY key HAVING count(value) >= 4
> ---
> Error log:
> 14/08/06 11:00:45 ERROR ql.Driver: FAILED: IndexOutOfBoundsException Index:
> 2, Size: 2
> java.lang.IndexOutOfBoundsException: Index: 2, Size: 2
> at java.util.ArrayList.RangeCheck(ArrayList.java:547)
> at java.util.ArrayList.get(ArrayList.java:322)
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genGroupByPlanReduceSinkOperator(SemanticAnalyzer.java:4173)
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genGroupByPlanMapAggrNoSkew(SemanticAnalyzer.java:5165)
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genBodyPlan(SemanticAnalyzer.java:8337)
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genPlan(SemanticAnalyzer.java:9178)
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:9431)
> at
> org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:207)
> at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:414)
> at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:310)
> at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:1023)
> at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1088)
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:960)
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:950)
> at
> org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:265)
> at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:217)
> at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:427)
> at
> org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:800)
> at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:694)
> at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:633)
> {code}
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