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From "Apache Spark (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (SPARK-22895) Push down the deterministic predicates that are after the first non-deterministic
Date Sun, 24 Dec 2017 06:33:00 GMT

     [ https://issues.apache.org/jira/browse/SPARK-22895?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Apache Spark reassigned SPARK-22895:
------------------------------------

    Assignee: Apache Spark  (was: Xiao Li)

> Push down the deterministic predicates that are after the first non-deterministic
> ---------------------------------------------------------------------------------
>
>                 Key: SPARK-22895
>                 URL: https://issues.apache.org/jira/browse/SPARK-22895
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 2.2.1
>            Reporter: Xiao Li
>            Assignee: Apache Spark
>
> Currently, we do not guarantee an order evaluation of conjuncts in either Filter or Join
operator. This is also true to the mainstream RDBMS vendors like DB2 and MS SQL Server. Thus,
we should also push down the deterministic predicates that are after the first non-deterministic,
if possible.



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