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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