[
https://issues.apache.org/jira/browse/SPARK-13789?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Reynold Xin resolved SPARK-13789.
---------------------------------
Resolution: Fixed
Assignee: Sameer Agarwal
Fix Version/s: 2.0.0
> Infer additional constraints from attribute equality
> ----------------------------------------------------
>
> Key: SPARK-13789
> URL: https://issues.apache.org/jira/browse/SPARK-13789
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Reporter: Sameer Agarwal
> Assignee: Sameer Agarwal
> Fix For: 2.0.0
>
>
> We should be able to infer additional set of data constraints based on
> attribute equality. For e.g., if an operator has constraints of the form (`a
> = 5`, `a = b`), we should be able to infer an additional constraint of the
> form `b = 5`
> cc [~nongli]
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org
For additional commands, e-mail: issues-h...@spark.apache.org
