Github user chenghao-intel commented on a diff in the pull request:
https://github.com/apache/spark/pull/6725#discussion_r32315686
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/MathExpressionsSuite.scala ---
@@ -236,6 +236,19 @@ class MathExpressionsSuite extends QueryTest {
testOneToOneNonNegativeMathFunction(log1p, math.log1p)
}
+ test("binary log") {
+ val df = Seq[(Integer, Integer)]((123, null)).toDF("a", "b")
+ checkAnswer(
+ df.select(org.apache.spark.sql.functions.log("a"),
--- End diff --
Can we remove the `org.apache.spark.sql.functions.` ?
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