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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/02/10 00:12:18 UTC
[jira] [Commented] (SPARK-13091) Rewrite/Propagate constraints for
Aliases
[ https://issues.apache.org/jira/browse/SPARK-13091?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15139979#comment-15139979 ]
Apache Spark commented on SPARK-13091:
--------------------------------------
User 'sameeragarwal' has created a pull request for this issue:
https://github.com/apache/spark/pull/11144
> Rewrite/Propagate constraints for Aliases
> -----------------------------------------
>
> Key: SPARK-13091
> URL: https://issues.apache.org/jira/browse/SPARK-13091
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Reporter: Sameer Agarwal
> Assignee: Sameer Agarwal
>
> We'd want to duplicate constraints when there is an alias (i.e. for "SELECT a, a AS b", any constraints on a now apply to b)
> This is a follow up task based on [~marmbrus]'s suggestion in https://docs.google.com/document/d/1WQRgDurUBV9Y6CWOBS75PQIqJwT-6WftVa18xzm7nCo/edit#heading=h.6hjcndo36qze
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