zhengruifeng commented on PR #39339:
URL: https://github.com/apache/spark/pull/39339#issuecomment-1368633966
@HyukjinKwon this PR just follows the existing design in PySpark, but I
also feel it a bit problematic, the `log` function actually support only two
cases:
1, `log(column)`;
2, `log(float_value, column)`
`log(column, column)` was actually not supported (both in PySpark and Scala)
```
py4j.Py4JException: Method log([class java.lang.String, class
org.apache.spark.sql.Column]) does not exist
at
py4j.reflection.ReflectionEngine.getMethod(ReflectionEngine.java:321)
at
py4j.reflection.ReflectionEngine.getMethod(ReflectionEngine.java:342)
at py4j.Gateway.invoke(Gateway.java:276)
at
py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132)
```
I will try to update the function signature
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