Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/6938#discussion_r34225535
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/MathExpressionsSuite.scala ---
@@ -198,6 +198,15 @@ class MathExpressionsSuite extends QueryTest {
testOneToOneMathFunction(rint, math.rint)
}
+ test("round") {
+ checkAnswer(
--- End diff --
right now there is only one test for sql expression, no test for the data
frame function you added to functions.scala. Just add one more test case that
uses dataframes.
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