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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2019/03/17 06:49:00 UTC
[jira] [Assigned] (SPARK-26736) if filter condition has rand()
function it does not do partition prunning
[ https://issues.apache.org/jira/browse/SPARK-26736?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-26736:
------------------------------------
Assignee: (was: Apache Spark)
> if filter condition has rand() function it does not do partition prunning
> -------------------------------------------------------------------------
>
> Key: SPARK-26736
> URL: https://issues.apache.org/jira/browse/SPARK-26736
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.4.0
> Reporter: roncenzhao
> Priority: Minor
>
> Example:
> A partitioned table definition:
> _create table test(id int) partitioned by (dt string);_
> The following sql does not do partition prunning:
> _select * from test where dt='20190101' and rand() < 0.5;_
>
> I think it should do partition prunning in this case.
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