Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/21416#discussion_r191306654
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/ColumnExpressionSuite.scala ---
@@ -392,9 +396,97 @@ class ColumnExpressionSuite extends QueryTest with
SharedSQLContext {
val df2 = Seq((1, Seq(1)), (2, Seq(2)), (3, Seq(3))).toDF("a", "b")
- intercept[AnalysisException] {
+ val e = intercept[AnalysisException] {
df2.filter($"a".isin($"b"))
}
+ Seq("cannot resolve", "due to data type mismatch: Arguments must be
same type but were")
+ .foreach { s =>
+
assert(e.getMessage.toLowerCase(Locale.ROOT).contains(s.toLowerCase(Locale.ROOT)))
+ }
+ }
+
+ test("isInCollection: Scala Collection") {
--- End diff --
can we simplify the test cases? you are just testing this api as a wrapper.
you don't need to run so many queries for type coercion.
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