[
https://issues.apache.org/jira/browse/SPARK-7135?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14513210#comment-14513210
]
Apache Spark commented on SPARK-7135:
-------------------------------------
User 'rxin' has created a pull request for this issue:
https://github.com/apache/spark/pull/5709
> Expression for monotonically increasing IDs
> -------------------------------------------
>
> Key: SPARK-7135
> URL: https://issues.apache.org/jira/browse/SPARK-7135
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Reporter: Reynold Xin
>
> Seems like a common use case that users might want a unique ID for each row.
> It is more expensive to have consecutive IDs, since that'd require two pass
> over the data. However, many use cases can be satisfied by just having unique
> ids.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
