viirya commented on a change in pull request #28366:
URL: https://github.com/apache/spark/pull/28366#discussion_r418430590
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/DataSourceUtils.scala
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@@ -68,6 +71,20 @@ object DataSourceUtils {
private[sql] def isDataFile(fileName: String) =
!(fileName.startsWith("_") || fileName.startsWith("."))
+ /**
+ * Returns if the given relation's V1 datasource provider supports nested
predicate pushdown.
+ */
+ private[sql] def supportNestedPredicatePushdown(relation: BaseRelation):
Boolean =
+ relation match {
+ case hs: HadoopFsRelation =>
+ val supportedDatasources =
+ SQLConf.get.getConf(SQLConf.NESTED_PREDICATE_PUSHDOWN_V1_SOURCE_LIST)
+ .toLowerCase(Locale.ROOT)
+ .split(",").map(_.trim)
Review comment:
ok.
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