@Override
            public String convert(Object dbzObj, Schema schema) throws Exception {
                if (dbzObj == null) {
                    return null;
                }
                return converter.convert(dbzObj, schema);
            }
Formatter for SQL string representation of a timestamp value (with UTC timezone).
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/mysql-cdc/src/main/java/org/apache/inlong/sort/cdc/mysql/table/OldFieldMetadataConverter.java