Github user MaxGekk commented on the issue:
https://github.com/apache/spark/pull/22429
> Could you also try to remove the default value?
I have removed the default value `None` but still keep type as
`Option[Int]`. @zsxwing Is it ok?
> org.apache.spark.util.Utils.truncatedString seems in a wrong project. ...
Could you move it to the catalyst project.
Moved to `catalyst`.
> In addition, it would be great that you can change it to a SQL conf so
that we can modify this config dynamically.
Do you mean moving the `spark.debug.maxToStringFields` to `SQLConf` or
adding another SQL config like `spark.sql.maxFieldsInTruncatedString`?
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