Github user yhuai commented on a diff in the pull request:
https://github.com/apache/spark/pull/9399#discussion_r43590582
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/sources/FilteredScanSuite.scala ---
@@ -44,16 +44,46 @@ case class SimpleFilteredScan(from: Int, to:
Int)(@transient val sqlContext: SQL
StructField("b", IntegerType, nullable = false) ::
StructField("c", StringType, nullable = false) :: Nil)
+ /**
+ * Given an array of [[Filter]]s, returns an array of [[Filter]]s that
this data source relation
+ * cannot handle. Spark SQL will apply all returned [[Filter]]s against
rows returned by this
+ * data source relation.
+ *
+ * @since 1.6.0
+ */
+ override def unhandledFilters(filters: Array[Filter]): Array[Filter] = {
+ def unhandled(filter: Filter): Boolean = {
+ filter match {
+ case EqualTo("b", v) => true
+ case EqualNullSafe("b", v) => true
+ case LessThan("b", v: Int) => true
+ case LessThanOrEqual("b", v: Int) => true
+ case GreaterThan("b", v: Int) => true
+ case GreaterThanOrEqual("b", v: Int) => true
+ case In("b", values) => true
+ case IsNull("b") => true
+ case IsNotNull("b") => true
+ case Not(pred) => unhandled(pred)
+ case And(left, right) => unhandled(left) || unhandled(right)
+ case Or(left, right) => unhandled(left) || unhandled(right)
+ case _ => false
--- End diff --
Which tests trigger this case?
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