Github user chenghao-intel commented on a diff in the pull request:
https://github.com/apache/spark/pull/3013#discussion_r19712328
--- Diff:
sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/HiveTableScanSuite.scala
---
@@ -69,4 +69,10 @@ class HiveTableScanSuite extends HiveComparisonTest {
TestHive.sql("DROP TABLE timestamp_query_null")
}
+ // In unit test, kv1.txt is a small file and will be loaded as table src
by default
+ // And since it's a small file, then it will be consider as a single
input split.
+ createQueryTest("file_split_for_small_table",
+ """
+ |SELECT key, value FROM src SORT BY key, value;
+ """.stripMargin)
--- End diff --
Actually this test will fail without the change
https://github.com/chenghao-intel/spark/blob/ctas_unittest/sql/hive/src/main/scala/org/apache/spark/sql/hive/TableReader.scala#L63
. I described root reason for this at #2589.
Sorry I should put as independent PR, however, the 2 added
test(`ctas.q`,`ctas_hadoop20.q`) cases will fail without this.
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