Github user zsxwing commented on a diff in the pull request:
https://github.com/apache/spark/pull/18848#discussion_r131486596
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/DataSource.scala
---
@@ -638,4 +625,28 @@ object DataSource extends Logging {
CatalogStorageFormat.empty.copy(
locationUri = path.map(CatalogUtils.stringToURI), properties =
optionsWithoutPath)
}
+
+ /**
+ * If `path` is a file pattern, return all the files that match it.
Otherwise, return itself.
+ * If `checkFilesExist` is `true`, also check the file existence.
+ */
+ private def checkAndGlobPathIfNecessary(
--- End diff --
Created a new method to make the codes cleaner.
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