Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/16854#discussion_r104879395
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/csv/CSVSuite.scala
---
@@ -1088,4 +1104,20 @@ class CSVSuite extends QueryTest with
SharedSQLContext with SQLTestUtils {
checkAnswer(df, spark.emptyDataFrame)
}
}
+
+ test("Empty dataframe produces empty dataframe") {
+ // Empty dataframe with schema.
+ val emptyDF = spark.createDataFrame(
--- End diff --
Sure, let me fix it up.
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