cloud-fan commented on a change in pull request #24830: [SPARK-27990][SQL][ML]
Provide a way to recursively load data from datasource
URL: https://github.com/apache/spark/pull/24830#discussion_r343980346
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/PartitioningAwareFileIndex.scala
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@@ -62,6 +62,10 @@ abstract class PartitioningAwareFileIndex(
pathGlobFilter.forall(_.accept(file.getPath))
}
+ protected lazy val recursiveFileLookup = {
+ parameters.getOrElse("recursiveFileLookup", "false").toBoolean
Review comment:
shall we document the option in `DataFrameReader`?
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