@Override
                public Object read(SourceRecord record,
                        @Nullable TableChanges.TableChange tableSchema, RowData rowData) {
                    return getCanalData(record, tableSchema, (GenericRowData) rowData);
                }
It indicates the time that the change was made in the database.
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/oracle-cdc/src/main/java/org/apache/inlong/sort/cdc/oracle/table/OracleReadableMetaData.java