Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/12904#discussion_r62411095
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/csv/CSVSuite.scala
---
@@ -555,4 +558,37 @@ class CSVSuite extends QueryTest with SharedSQLContext
with SQLTestUtils {
assert(numbers.count() == 8)
}
+
+ test("load data with empty quoted string fields.") {
+ val results = sqlContext
+ .read
+ .format("csv")
+ .options(Map(
+ "header" -> "true",
+ "nullValue" -> null,
--- End diff --
Could I ask what happen if we don't set `nullValue`?
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