HyukjinKwon commented on issue #23882: [SPARK-26979][PYTHON] Add missing string column name support for some SQL functions URL: https://github.com/apache/spark/pull/23882#issuecomment-473740180 What happened to math functions? ```python >>> from pyspark.sql.functions import atan2 >>> spark.range(1).select(atan2("id", "id")) Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/.../spark/python/pyspark/sql/functions.py", line 78, in _ jc = getattr(sc._jvm.functions, name)(col1._jc if isinstance(col1, Column) else float(col1), ValueError: could not convert string to float: id ``` ```python >>> from pyspark.sql.functions import atan2, col >>> spark.range(1).select(atan2(col("id"), col("id"))) DataFrame[ATAN2(id, id): double] ```
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