[jira] [Resolved] (SPARK-7982) crosstab should use 0 instead of null for pairs that don't appear

["Reynold Xin (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-7982?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Reynold Xin resolved SPARK-7982.
--------------------------------
       Resolution: Fixed
    Fix Version/s: 1.4.0
         Assignee: Reynold Xin

> crosstab should use 0 instead of null for pairs that don't appear
> -----------------------------------------------------------------
>
>                 Key: SPARK-7982
>                 URL: https://issues.apache.org/jira/browse/SPARK-7982
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>            Reporter: Reynold Xin
>            Assignee: Reynold Xin
>              Labels: starter
>             Fix For: 1.4.0
>
>
> See the following
> {code}
> In [79]: sqlContext.range(0, 10).stat.crosstab('id', 'id').show()
> +-----+----+----+----+----+----+----+----+----+----+----+
> |id_id|   0|   5|   1|   6|   9|   2|   7|   3|   8|   4|
> +-----+----+----+----+----+----+----+----+----+----+----+
> |    0|   1|null|null|null|null|null|null|null|null|null|
> |    5|null|null|null|null|null|   1|null|null|null|null|
> |    1|null|   1|null|null|null|null|null|null|null|null|
> |    6|null|null|null|null|null|null|   1|null|null|null|
> |    9|null|null|null|null|null|null|null|null|null|   1|
> |    2|null|null|   1|null|null|null|null|null|null|null|
> |    7|null|null|null|null|null|null|null|   1|null|null|
> |    3|null|null|null|   1|null|null|null|null|null|null|
> |    8|null|null|null|null|null|null|null|null|   1|null|
> |    4|null|null|null|null|   1|null|null|null|null|null|
> +-----+----+----+----+----+----+----+----+----+----+----+
> {code}
> I think we should use 0 instead of null for these columns.



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