MaxGekk commented on code in PR #36479:
URL: https://github.com/apache/spark/pull/36479#discussion_r873201532


##########
sql/catalyst/src/main/scala/org/apache/spark/sql/errors/QueryCompilationErrors.scala:
##########
@@ -147,14 +147,17 @@ object QueryCompilationErrors extends QueryErrorsBase {
       dataType: DataType, desiredType: String): Throwable = {
     val quantifier = if (desiredType.equals("array")) "an" else "a"
     new AnalysisException(
-      s"need $quantifier $desiredType field but got " + dataType.catalogString)
+      errorClass = "UNSUPPORTED_DESERIALIZER",
+      messageParameters =
+        Array("DATA_TYPE_MISMATCH", quantifier, desiredType, 
toSQLType(dataType)))

Review Comment:
   Please, double quote `desiredType` and upper case it for consistency.



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