Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/16386#discussion_r101683916
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/json/JsonSuite.scala
---
@@ -1802,4 +1806,142 @@ class JsonSuite extends QueryTest with
SharedSQLContext with TestJsonData {
val df2 = spark.read.option("PREfersdecimaL", "true").json(records)
assert(df2.schema == schema)
}
+
+ test("SPARK-18352: Parse normal multi-line JSON files (compressed)") {
+ withTempPath { dir =>
+ val path = dir.getCanonicalPath
+ primitiveFieldAndType
+ .toDF("value")
+ .write
+ .option("compression", "GzIp")
+ .text(path)
+
+ assert(new File(path).listFiles().exists(_.getName.endsWith(".gz")))
+
+ val jsonDF = spark.read.option("wholeFile", true).json(path)
+ val jsonDir = new File(dir, "json").getCanonicalPath
+ jsonDF.coalesce(1).write
+ .option("compression", "gZiP")
+ .json(jsonDir)
+
+ assert(new
File(jsonDir).listFiles().exists(_.getName.endsWith(".json.gz")))
+
+ val originalData = spark.read.json(primitiveFieldAndType)
+ checkAnswer(jsonDF, originalData)
+ checkAnswer(spark.read.schema(originalData.schema).json(jsonDir),
originalData)
+ }
+ }
+
+ test("SPARK-18352: Parse normal multi-line JSON files (uncompressed)") {
+ withTempPath { dir =>
+ val path = dir.getCanonicalPath
+ primitiveFieldAndType
+ .toDF("value")
+ .write
--- End diff --
same here
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