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https://issues.apache.org/jira/browse/SPARK-8992?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Richard Williamson updated SPARK-8992:
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Description:
SQLServer and other databases provide capabilities to transpose data from
columns to rows and rows to columns, the later is very useful for analytic use
cases like turning rows into feature columns for an MLlib model. Here is a
reference for the SQLServer implementation:
http://sqlhints.com/2014/03/10/pivot-and-unpivot-in-sql-server/
Additional Referenced Request:
http://stackoverflow.com/questions/30244910/pivot-spark-dataframe
was:
SQLServer and other databases provide capabilities to transpose data from
columns to rows and rows to columns the later this is very useful for analytic
use cases like turning rows into feature columns for an MLlib model. Here is a
reference for the SQLServer implementation:
http://sqlhints.com/2014/03/10/pivot-and-unpivot-in-sql-server/
Additional Referenced Request:
http://stackoverflow.com/questions/30244910/pivot-spark-dataframe
> Add Pivot functionality to Spark SQL
> ------------------------------------
>
> Key: SPARK-8992
> URL: https://issues.apache.org/jira/browse/SPARK-8992
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 1.4.0
> Reporter: Richard Williamson
>
> SQLServer and other databases provide capabilities to transpose data from
> columns to rows and rows to columns, the later is very useful for analytic
> use cases like turning rows into feature columns for an MLlib model. Here is
> a reference for the SQLServer implementation:
> http://sqlhints.com/2014/03/10/pivot-and-unpivot-in-sql-server/
> Additional Referenced Request:
> http://stackoverflow.com/questions/30244910/pivot-spark-dataframe
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