dbtsai commented on a change in pull request #27728:
[SPARK-25556][SPARK-17636][SPARK-31026][SPARK-31060][SQL][test-hive1.2] Nested
Column Predicate Pushdown for Parquet
URL: https://github.com/apache/spark/pull/27728#discussion_r397600752
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/sources/filters.scala
##########
@@ -40,12 +45,32 @@ sealed abstract class Filter {
case f: Filter => f.references
case _ => Array.empty
}
+
+ /**
+ * List of columns that are referenced by this filter.
+ *
+ * @return each element is a column name as an array of string
multi-identifier
+ * @since 3.0.0
+ */
+ def V2references: Array[Array[String]] = {
Review comment:
done. thanks.
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