private GenericRowData constructDdlRow(Object ddl) {
                Map<String, Object> data = new HashMap<>();
                GenericRowData row = new GenericRowData(1);
                row.setField(0, data);
                data.put(DDL_FIELD_NAME, ddl);
                row.setField(0, data);
                return row;
            }
Creates a runtime converter which assuming input object is not null.
inlong-sort/sort-flink/cdc-base/src/main/java/org/apache/inlong/sort/cdc/base/debezium/table/RowDataDebeziumDeserializeSchema.java