Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/13494#discussion_r69395021
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
---
@@ -2865,4 +2865,15 @@ class SQLQuerySuite extends QueryTest with
SharedSQLContext {
sql(s"SELECT '$literal' AS DUMMY"),
Row(s"$expected") :: Nil)
}
+
+ test("spark-15752 metadata only optimizer for datasource table") {
+ val data = (1 to 10).map(i => (i, s"data-$i", i % 2, if ((i % 2) == 0)
"even" else "odd"))
--- End diff --
also use `withSQLConf` here to make sure the optimization is enabled.
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