Github user dongjoon-hyun commented on the issue: https://github.com/apache/spark/pull/13969 In general, the noticeable big difference from Hive seems to be the limitation on `first` and `second` arguments. Hive supports columns for them, too. IMHO, we can achieve that by putting all the `@transient private lazy val` into `eval` function and moving the following feature into `findMethod` or other places. ``` } else if (method == null) { TypeCheckFailure("cannot find a method that matches the argument types") ```
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