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https://issues.apache.org/jira/browse/SPARK-6273?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14360050#comment-14360050
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saurabh bansal commented on SPARK-6273:
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there's a similar jira that is in resolved status..? 
https://issues.apache.org/jira/browse/SPARK-5278


> Got error when one table's alias name is the same with other table's column 
> name
> --------------------------------------------------------------------------------
>
>                 Key: SPARK-6273
>                 URL: https://issues.apache.org/jira/browse/SPARK-6273
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 1.2.1
>            Reporter: Jeff
>
> while one table's alias name is the same with other table's column name
> get the error Ambiguous references
> {code}
> Error: org.apache.spark.sql.catalyst.errors.package$TreeNodeException: 
> Ambiguous references to salary.pay_date: 
> (pay_date#34749,List()),(salary#34792,List(pay_date)), tree:
> 'Filter (((('salary.pay_date = 'time_by_day.the_date) && 
> ('time_by_day.the_year = 1997.0)) && ('salary.employee_id = 
> 'employee.employee_id)) && ('employee.store_id = 'store.store_id))
>  Join Inner, None
>   Join Inner, None
>    Join Inner, None
>     MetastoreRelation yxqtest, time_by_day, Some(time_by_day)
>     MetastoreRelation yxqtest, salary, Some(salary)
>    MetastoreRelation yxqtest, store, Some(store)
>   MetastoreRelation yxqtest, employee, Some(employee) (state=,code=0)
> Error: org.apache.spark.sql.catalyst.errors.package$TreeNodeException: 
> Ambiguous references to salary.pay_date: 
> (pay_date#34749,List()),(salary#34792,List(pay_date)), tree:
> 'Filter (((('salary.pay_date = 'time_by_day.the_date) && 
> ('time_by_day.the_year = 1997.0)) && ('salary.employee_id = 
> 'employee.employee_id)) && ('employee.store_id = 'store.store_id))
>  Join Inner, None
>   Join Inner, None
>    Join Inner, None
>     MetastoreRelation yxqtest, time_by_day, Some(time_by_day)
>     MetastoreRelation yxqtest, salary, Some(salary)
>    MetastoreRelation yxqtest, store, Some(store)
>   MetastoreRelation yxqtest, employee, Some(employee) (state=,code=0)
> {code}



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