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Posted to issues@spark.apache.org by "Jorge Machado (JIRA)" <ji...@apache.org> on 2016/05/24 10:37:12 UTC

[jira] [Created] (SPARK-15505) Explode nested Array in DF Column into Multiple Columns

Jorge Machado created SPARK-15505:
-------------------------------------

             Summary: Explode nested Array in DF Column into Multiple Columns 
                 Key: SPARK-15505
                 URL: https://issues.apache.org/jira/browse/SPARK-15505
             Project: Spark
          Issue Type: Improvement
          Components: Spark Core
    Affects Versions: 1.6.1
            Reporter: Jorge Machado
            Priority: Minor


At the moment if we have a DF like this : 

+------+---------+
| Col1 | Col2    |
+------+---------+
|  1   |[2, 3, 4]|
|  1   |[2, 3, 4]|
+------+---------+

There is no way to directly transform it into : 

+------+------+------+------+
| Col1 | Col2 | Col3 | Col4 |
+------+------+------+------+
|  1   |  2   |  3   |  4   |
|  1   |  2   |  3   |  4   |
+------+------+------+------+ 

I think this should be easy to implement

More infos here : http://stackoverflow.com/questions/37391241/explode-spark-columns/37392793#37392793



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