Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/16199#discussion_r91450072
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/json/JsonSuite.scala
---
@@ -1764,4 +1764,37 @@ class JsonSuite extends QueryTest with
SharedSQLContext with TestJsonData {
val df2 = spark.read.option("PREfersdecimaL", "true").json(records)
assert(df2.schema == schema)
}
+
+ test("SPARK-18772: Special floats") {
+ val records = sparkContext
--- End diff --
I think it would be nicer if it has some roundtrip tests in reading and
writing.
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