Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/15994#discussion_r89736733
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/DataFrameNaFunctions.scala ---
@@ -153,19 +168,20 @@ final class DataFrameNaFunctions private[sql](df:
DataFrame) {
* (Scala-specific) Returns a new [[DataFrame]] that replaces null or
NaN values in specified
* numeric columns. If a specified column is not a numeric column, it is
ignored.
*
+ * @since 2.1.0
+ */
+ def fill(value: Long, cols: Seq[String]): DataFrame = {
+ fill1(value, cols)
--- End diff --
nit: put it in one line? i.e. `def fill... = fill1...`
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