dongjoon-hyun commented on code in PR #57079:
URL: https://github.com/apache/spark/pull/57079#discussion_r3556948033


##########
sql/api/src/main/scala/org/apache/spark/sql/functions.scala:
##########
@@ -9983,7 +11506,8 @@ object functions {
    *   
"https://spark.apache.org/docs/latest/sql-data-sources-json.html#data-source-option";>
 Data
    *   Source Option</a> in the version you use.
    * @return
-   *   a column with string literal containing schema in DDL format.
+   *   a column with string literal containing schema in DDL format. Returns a 
column that
+   *   evaluates to an integer.

Review Comment:
   This `schema_of_json` change looks wrong to me because we don't return 
`integer`?
   > Returns a column that evaluates to an integer.



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