Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/7743#discussion_r35732512
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/UDFSuite.scala ---
@@ -58,6 +61,17 @@ class UDFSuite extends QueryTest {
ctx.dropTempTable("tmp_table")
}
+ test("SPARK-8005 input_file_name") {
+ withTempPath { dir =>
+ val data = ctx.sparkContext.parallelize(0 to 1000).toDF("id")
--- End diff --
if you specify the number of partitions as 2, i think you can add a test to
count the distinct number of paths returned, and then you can check that the
number has to >= 2
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