Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/6725#discussion_r32275321
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/DataFrameFunctionsSuite.scala ---
@@ -110,6 +110,19 @@ class DataFrameFunctionsSuite extends QueryTest {
testData2.collect().toSeq.map(r => Row(~r.getInt(0))))
}
+ test("log") {
+ val df = Seq[(Integer, Integer)]((123, null)).toDF("a", "b")
+ checkAnswer(
+ df.select(org.apache.spark.sql.functions.log("a"),
--- End diff --
Nit: When wrapping, wrap all arguments. Also the indent below is wrong.
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