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https://issues.apache.org/jira/browse/SPARK-15257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16447949#comment-16447949
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ice bai commented on SPARK-15257:
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“but its {color:#FF0000}metadata{color} won't be deleted even when the user
drops the table”
what metadata can not be deleted？ In Hive Metastore or in SparkSession ?
> Require CREATE EXTERNAL TABLE to specify LOCATION
> -------------------------------------------------
>
> Key: SPARK-15257
> URL: https://issues.apache.org/jira/browse/SPARK-15257
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.0.0
> Reporter: Andrew Or
> Assignee: Andrew Or
> Priority: Major
> Fix For: 2.0.0
>
>
> Right now when the user runs `CREATE EXTERNAL TABLE` without specifying
> `LOCATION`, the table will still be created in the warehouse directory, but
> its metadata won't be deleted even when the user drops the table! This is a
> problem. We should use require the user to also specify `LOCATION`.
> Note: This doesn't not apply to `CREATE EXTERNAL TABLE ... USING`, which is
> not yet supported.
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