dongjoon-hyun commented on a change in pull request #27130:
[SPARK-25993][SQL][TESTS] Add test cases for CREATE EXTERNAL TABLE with
subdirectories
URL: https://github.com/apache/spark/pull/27130#discussion_r364358504
##########
File path:
sql/hive/src/test/scala/org/apache/spark/sql/hive/HiveParquetSourceSuite.scala
##########
@@ -222,4 +223,115 @@ class HiveParquetSourceSuite extends
ParquetPartitioningTest {
assert(df4.columns === Array("str", "max_int"))
}
}
+
+ test("SPARK-25993 CREATE EXTERNAL TABLE with subdirectories") {
+ Seq("true", "false").foreach { parquetConversion =>
+ withSQLConf(HiveUtils.CONVERT_METASTORE_PARQUET.key ->
parquetConversion) {
+ withTempPath { path =>
+ withTable("tbl1", "tbl2", "tbl3", "tbl4", "tbl5", "tbl6") {
+ val someDF1 = Seq((1, 1, "parq1"), (2, 2, "parq2")).
+ toDF("c1", "c2", "c3").repartition(1)
+ val someDF2 = Seq((3, 3, "parq3"), (4, 4, "parq4")).
+ toDF("c1", "c2", "c3").repartition(1)
+ val someDF3 = Seq((5, 5, "parq5"), (6, 6, "parq6")).
+ toDF("c1", "c2", "c3").repartition(1)
+ someDF1.write.parquet(s"${path.getCanonicalPath}/l1/")
+ someDF2.write.parquet(s"${path.getCanonicalPath}/l1/l2/")
+ someDF3.write.parquet(s"${path.getCanonicalPath}/l1/l2/l3/")
+
+ val topDirStatement =
+ s"""
+ |CREATE EXTERNAL TABLE tbl1(
+ | c1 int,
+ | c2 int,
+ | c3 string)
+ |STORED AS parquet
+ |LOCATION '${s"${path.getCanonicalPath}"}'""".stripMargin
+ sql(topDirStatement)
+ if (parquetConversion == "true") {
+ checkAnswer(sql("select * from tbl1"), Nil)
+ } else {
+ intercept[IOException](sql("select * from tbl1").show())
+ }
+
+ val l1DirStatement =
+ s"""
+ |CREATE EXTERNAL TABLE tbl2(
+ | c1 int,
+ | c2 int,
+ | c3 string)
+ |STORED AS parquet
+ |LOCATION '${s"${path.getCanonicalPath}/l1/"}'""".stripMargin
+ sql(l1DirStatement)
+ if (parquetConversion == "true") {
+ checkAnswer(sql("select * from tbl2"),
+ (1 to 2).map(i => Row(i, i, s"parq$i")))
+ } else {
+ intercept[IOException](sql("select * from tbl2").show())
+ }
+
+ val l2DirStatement =
+ s"""
+ |CREATE EXTERNAL TABLE tbl3(
+ | c1 int,
+ | c2 int,
+ | c3 string)
+ |STORED AS parquet
+ |LOCATION
'${s"${path.getCanonicalPath}/l1/l2/"}'""".stripMargin
+ sql(l2DirStatement)
+ if (parquetConversion == "true") {
+ checkAnswer(sql("select * from tbl3"),
Review comment:
`SELECT * FROM tbl3`.
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