Squash error code range

Author: psainics

mysql-plugin/src/main/java/io/cdap/plugin/mysql/MysqlErrorDetailsProvider.java

@@ -32,12 +32,13 @@ protected String getExternalDocumentationLink() {
   @Override
   protected ErrorType getErrorTypeFromErrorCode(int errorCode) {
     // https://dev.mysql.com/doc/refman/9.0/en/error-message-elements.html#error-code-ranges
-    if (errorCode >= 1000 && errorCode <= 1999 || errorCode >= 2000 && errorCode <= 2999 ||
-      errorCode >= 3000 && errorCode <= 4999 || errorCode >= 5000 && errorCode <= 5999) {
+    if (errorCode >= 1000 && errorCode <= 5999) {
       return ErrorType.USER;
-    } else if (errorCode >= 10000 && errorCode <= 49999 || errorCode >= 50000 && errorCode <= 51999) {
+    } else if (errorCode >= 10000 && errorCode <= 51999) {
+      // SYSTEM errors: Enterprise and user-defined custom error messages
       return ErrorType.SYSTEM;
     } else {
+      // UNKNOWN errors: Anything outside defined range
       return ErrorType.UNKNOWN;
     }
   }