Update hibernate-core/src/main/java/org/hibernate/dialect/type/AbstractPostgreSQLStructJdbcType.java

Author: beikov

hibernate-core/src/main/java/org/hibernate/dialect/type/AbstractPostgreSQLStructJdbcType.java

@@ -1232,7 +1232,7 @@ private void serializeConvertedBasicTo(
 			case SqlTypes.ENUM:
 			case SqlTypes.NAMED_ENUM:
 				appender.quoteStart();
-				appender.append( subValue.toString() );
+				appender.append( jdbcJavaType.unwrap( subValue, String.class, options ) );
 				appender.quoteEnd();
 				break;
 			case SqlTypes.DATE: