Github user dondrake commented on the pull request:
https://github.com/apache/spark/pull/4521#issuecomment-74450385
So, in
./sql/core/src/main/scala/org/apache/spark/sql/execution/pythonUdfs.scala
In EvaluatePython.toJava() I added the following:
```
case (_, LongType) => {
println("Converting to LongType" + obj);
obj.asInstanceOf[Long]
}
```
and in EvaluatePython.fromJava() I added the following:
```
case (_, LongType) => {
println("fromJava _ obj=" +obj);
obj.asInstanceOf[Long]
}
```
The fromJava() is never executed, but I do see the toJava() print output.
Unfortunately, this does not force the python value to a long.
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