Github user walterddr commented on a diff in the pull request: https://github.com/apache/flink/pull/5638#discussion_r173606447 --- Diff: flink-libraries/flink-table/src/main/scala/org/apache/flink/table/api/scala/expressionDsl.scala --- @@ -1130,4 +1130,13 @@ object concat_ws { } } +object log { + def apply(base: Expression, antilogarithm: Expression): Expression = { + Log(base, antilogarithm) + } + def apply(antilogarithm: Expression): Expression = { + new Log(antilogarithm) --- End diff -- Is it just `new Ln(antilogarithm)`, we might be able to restructure them together?
---