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Posted to issues@spark.apache.org by "Takeshi Yamamuro (Jira)" <ji...@apache.org> on 2020/01/02 11:36:00 UTC
[jira] [Commented] (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:comment-tabpanel&focusedCommentId=17006742#comment-17006742 ]
Takeshi Yamamuro commented on SPARK-27033:
------------------------------------------
I'll close this for now because the corresponding pr is stale. Please reopen this if necessary. Anyway, thanks for the work!
> 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: 3.0.0
> Reporter: EdisonWang
> 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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