Github user yhuai commented on a diff in the pull request:
https://github.com/apache/spark/pull/9652#discussion_r44888724
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/json/JsonSuite.scala
---
@@ -1393,4 +1399,51 @@ class JsonSuite extends QueryTest with
SharedSQLContext with TestJsonData {
)
}
}
+
+ test("SPARK-11544 test pathfilter") {
+ def filterFunc(file: File): Boolean = {
+ val name = file.getCanonicalFile.getName()
+ val ret = !(name.startsWith(".") || name.startsWith("_"))
+ ret.asInstanceOf[Boolean]
+ }
+
+ val dir = Utils.createTempDir()
+ dir.delete()
+ val path = dir.getCanonicalPath
+ val emps = Seq(
+ Row(1, "Emp-1"),
+ Row(2, "Emp-2")
+ )
+
+ val empRows = sqlContext.sparkContext.parallelize(emps, 1)
+ val empSchema = StructType(
+ Seq(
+ StructField("id", IntegerType, true),
+ StructField("name", StringType, true)
+ )
+ )
+ val empDF = sqlContext.createDataFrame(empRows, empSchema)
+ empDF.write.json(path)
+ val files = dir.listFiles().filter(filterFunc(_))
+ files.map(_.renameTo(new File(path + File.separator + "pathmap.tmp")))
+ FileUtils.copyFile(new File(path + File.separator + "pathmap.tmp"),
+ new File(path + File.separator + "data.json"))
+
+ // Both the files should be read and count should be 4
+ val empDF2 = sqlContext.read.json(path)
+ empDF2.registerTempTable("jsonTable1")
+ checkAnswer(
+ sql("select count(*) from jsonTable1"),
+ Row(4)
+ )
+ // After applying the path filter, only one file should be read and
the count should be 2
+
sqlContext.sparkContext.hadoopConfiguration.setClass("mapreduce.input.pathFilter.class",
+ classOf[TmpFileFilter], classOf[PathFilter])
--- End diff --
Can you reset this conf after this test?
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