AngersZhuuuu opened a new pull request #25290: [SPARK-28551][SQL]Add a Checker Rule when CTAS SQL with LOCATION URL: https://github.com/apache/spark/pull/25290 ## What changes were proposed in this pull request? When we run SQL like `CRETE TABLE TBL ` `LOCATION 'PATH_URI` `AS` `SELECT QUERY ` 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。 So I wish to add a checker rule in PreWriteChecker to avoid this situation happens ## How was this patch tested? UT & MT
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