Github user eatoncys commented on a diff in the pull request:
https://github.com/apache/spark/pull/21823#discussion_r204199119
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/execution/SameResultSuite.scala ---
@@ -58,4 +61,16 @@ class SameResultSuite extends QueryTest with
SharedSQLContext {
val df4 = spark.range(10).agg(sumDistinct($"id"))
assert(df3.queryExecution.executedPlan.sameResult(df4.queryExecution.executedPlan))
}
+
+ test("Canonicalized result is not case-insensitive") {
+ val a = AttributeReference("A", IntegerType)()
+ val b = AttributeReference("B", IntegerType)()
+ val planUppercase = Project(Seq(a, b), LocalRelation(a))
--- End diff --
Ok,thanks.
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