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Posted to issues@spark.apache.org by "Dongjoon Hyun (Jira)" <ji...@apache.org> on 2020/10/30 16:20:00 UTC
[jira] [Updated] (SPARK-33290) REFRESH TABLE should invalidate
cache even though the table itself may not be cached
[ https://issues.apache.org/jira/browse/SPARK-33290?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dongjoon Hyun updated SPARK-33290:
----------------------------------
Labels: correctness (was: )
> REFRESH TABLE should invalidate cache even though the table itself may not be cached
> ------------------------------------------------------------------------------------
>
> Key: SPARK-33290
> URL: https://issues.apache.org/jira/browse/SPARK-33290
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.0.1
> Reporter: Chao Sun
> Priority: Major
> Labels: correctness
>
> For the following example:
> {code}
> CREATE TABLE t ...;
> CREATE VIEW t1 AS SELECT * FROM t;
> REFRESH TABLE t
> {code}
> If t is cached, t1 will be invalidated. However if t is not cached as above, the REFRESH command won't invalidate view t1. This could lead to incorrect result if the view is used later.
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