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https://issues.apache.org/jira/browse/SPARK-28551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17337731#comment-17337731
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Apache Spark commented on SPARK-28551:
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User 'vinodkc' has created a pull request for this issue:
https://github.com/apache/spark/pull/32411
> CTAS SQL with LOCATION properties won't check location path, cause data under
> this location lose
> ------------------------------------------------------------------------------------------------
>
> Key: SPARK-28551
> URL: https://issues.apache.org/jira/browse/SPARK-28551
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.4.0
> Reporter: angerszhu
> Priority: Major
>
> When we run SQL like
> {code:java}
> CRETE TABLE TBL
> LOCATION 'PATH_URI'
> AS
> SELECT QUERY{code}
> It won't check PATH_URI status, if there is some data under this path, it
> will just overwrite this path.
> If user careless write a path with important data store under the path, it
> will be a disaster。
> Thought about add a checker in Catalyst for this situation.
> In addition, if it fails to delete the old path completely, old data and new
> data coexists.
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