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Posted to issues@spark.apache.org by "Hyukjin Kwon (Jira)" <ji...@apache.org> on 2019/09/05 09:45:00 UTC
[jira] [Updated] (SPARK-28169) Spark can’t push down partition predicate for OR expression
[ https://issues.apache.org/jira/browse/SPARK-28169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hyukjin Kwon updated SPARK-28169:
---------------------------------
Issue Type: Improvement (was: Bug)
> Spark can’t push down partition predicate for OR expression
> -----------------------------------------------------------
>
> Key: SPARK-28169
> URL: https://issues.apache.org/jira/browse/SPARK-28169
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.3.0, 2.4.0
> Reporter: angerszhu
> Priority: Major
> Labels: SQL
>
> Spark can't push down filter condition of Or:
> Such as if I have a table {color:#d04437}default.test{color}, his partition col is "{color:#d04437}dt{color}",
> if I use query :
> {code:java}
> select * from default.test where dt=20190625 or (dt = 20190626 and id in (1,2,3) )
> {code}
> In this case, Spark will resolve or condition as one expression, and since this {color:#333333}expr {color}has reference of "{color:#FF0000}id{color}", then it can't been push down.
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