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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2019/03/03 06:56:00 UTC

[jira] [Assigned] (SPARK-27033) Add rule to optimize binary comparisons to its push down format

     [ https://issues.apache.org/jira/browse/SPARK-27033?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-27033:
------------------------------------

    Assignee: Apache Spark

> Add rule to optimize binary comparisons to its push down format
> ---------------------------------------------------------------
>
>                 Key: SPARK-27033
>                 URL: https://issues.apache.org/jira/browse/SPARK-27033
>             Project: Spark
>          Issue Type: Improvement
>          Components: Optimizer
>    Affects Versions: 2.4.0
>            Reporter: EdisonWang
>            Assignee: Apache Spark
>            Priority: Minor
>
> Currently, filters like this "select * from table where a + 1 >= 3" cannot be pushed down, this optimizer can convert it to "select * from table where a >= 3 - 1", and then be "select * from table where a >= 2". 



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