protected void handleRotateLogsEvent(Event event) {
        LOGGER.debug("Rotating logs: {}", event);
        RotateEventData command = unwrapData(event);
        assert command != null;
        taskContext.getSchema().clearTableMappings();
    }
Handle the supplied event with a {@link RotateEventData} that signals the logs are being rotated. This means that either
the server was restarted, or the binlog has transitioned to a new file. In either case, subsequent table numbers will be
different than those seen to this point.

@param event the database change data event to be processed; may not be null
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/mysql-cdc/src/main/java/io/debezium/connector/mysql/MySqlStreamingChangeEventSource.java