sadikovi commented on code in PR #38277:
URL: https://github.com/apache/spark/pull/38277#discussion_r1005080533
##########
sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/HiveSerDeReadWriteSuite.scala:
##########
@@ -218,4 +221,48 @@ class HiveSerDeReadWriteSuite extends QueryTest with
SQLTestUtils with TestHiveS
checkAnswer(spark.table("t1"), Seq(Row(Array("SPARK-34512",
"HIVE-24797"))))
}
}
+
+ test("SPARK-40815: Read SymlinkTextInputFormat") {
+ withTable("t") {
+ withTempDir { root =>
+ val dataPath = new File(root, "data")
+ val symlinkPath = new File(root, "symlink")
+
+ spark.range(10).selectExpr("cast(id as string) as value")
+ .repartition(4).write.text(dataPath.getAbsolutePath)
+
+ // Generate symlink manifest file.
+ val files = dataPath.listFiles().filter(_.getName.endsWith(".txt"))
+ assert(files.length > 0)
+
+ symlinkPath.mkdir()
+ Files.write(
+ new File(symlinkPath, "symlink.txt").toPath,
+ files.mkString("\n").getBytes(StandardCharsets.UTF_8)
+ )
+
+ sql(s"""
+ CREATE TABLE t (id bigint)
+ STORED AS
+ INPUTFORMAT 'org.apache.hadoop.hive.ql.io.SymlinkTextInputFormat'
+ OUTPUTFORMAT
'org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat'
+ LOCATION '${symlinkPath.getAbsolutePath}';
+ """)
+
+ checkAnswer(
+ sql("SELECT id FROM t ORDER BY id ASC"),
+ (0 until 10).map(Row(_))
+ )
+
+ // Verify that with the flag disabled, we use the original
SymlinkTextInputFormat
+ // which has the empty splits issue and therefore the result should be
empty.
+ withSQLConf(USE_DELEGATE_FOR_SYMLINK_TEXT_INPUT_FORMAT.key -> "false")
{
Review Comment:
Done, thanks.
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