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From "Apache Spark (JIRA)" <>
Subject [jira] [Commented] (SPARK-5454) [SQL] Self join with ArrayType columns problems
Date Fri, 30 Jan 2015 01:34:34 GMT


Apache Spark commented on SPARK-5454:

User 'chenghao-intel' has created a pull request for this issue:

> [SQL] Self join with ArrayType columns problems
> -----------------------------------------------
>                 Key: SPARK-5454
>                 URL:
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 1.2.0
>            Reporter: Pierre Borckmans
> Weird behaviour when performing self join on a table with some ArrayType field.  (potential
bug ?) 
> I have set up a minimal non working example here: 
> In a nutshell, if the ArrayType column used for the pivot is created manually in the
StructType definition, everything works as expected. 
> However, if the ArrayType pivot column is obtained by a sql query (be it by using a "array"
wrapper, or using a collect_list operator for instance), then results are completely off.

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