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https://issues.apache.org/jira/browse/HIVE-11737?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jimmy Xiang updated HIVE-11737:
-------------------------------
Attachment: HIVE-11737.2.patch
Attached patch v2 that has a unit test to cover this scenario.
> IndexOutOfBounds compiling query with duplicated groupby keys
> -------------------------------------------------------------
>
> Key: HIVE-11737
> URL: https://issues.apache.org/jira/browse/HIVE-11737
> Project: Hive
> Issue Type: Bug
> Reporter: Jimmy Xiang
> Assignee: Jimmy Xiang
> Fix For: 1.3.0, 2.0.0
>
> Attachments: HIVE-11737.1.patch, HIVE-11737.2.patch
>
>
> {noformat}
> SELECT
> tinyint_col_7,
> MIN(timestamp_col_1) AS timestamp_col,
> MAX(LEAST(CAST(COALESCE(int_col_5, -279) AS int),
> CAST(COALESCE(tinyint_col_7, 476) AS int))) AS int_col,
> tinyint_col_7 AS int_col_1,
> LEAST(CAST(COALESCE(int_col_5, -279) AS int), CAST(COALESCE(tinyint_col_7,
> 476) AS int)) AS int_col_2
> FROM table_3
> GROUP BY
> tinyint_col_7,
> tinyint_col_7,
> LEAST(CAST(COALESCE(int_col_5, -279) AS int), CAST(COALESCE(tinyint_col_7,
> 476) AS int))
> {noformat}
> Query compilation fails:
> {noformat}
> Caused by: java.lang.IndexOutOfBoundsException: Index: 3, Size: 3
> at java.util.ArrayList.rangeCheck(ArrayList.java:635)
> at java.util.ArrayList.get(ArrayList.java:411)
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genGroupByPlanReduceSinkOperator(SemanticAnalyzer.java:4633)
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genGroupByPlanMapAggrNoSkew(SemanticAnalyzer.java:5630)
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genBodyPlan(SemanticAnalyzer.java:8987)
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genPlan(SemanticAnalyzer.java:9864)
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genPlan(SemanticAnalyzer.java:9757)
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.genOPTree(SemanticAnalyzer.java:10193)
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:10204)
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:10121)
> at
> org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:222)
> at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:421)
> at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:305)
> at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:1110)
> at org.apache.hadoop.hive.ql.Driver.compileAndRespond(Driver.java:1104)
> {noformat}
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