Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/21257#discussion_r187905010 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/command/ddl.scala --- @@ -898,4 +898,12 @@ object DDLUtils { "Cannot overwrite a path that is also being read from.") } } + + def verifyReadPath(query: LogicalPlan, outputPath: Path): Boolean = { --- End diff -- `isReadPath`?
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