public long getDataTime(Object[] data) {
        if (dataTimeFieldIndex == DATA_TIME_ABSENT_INDEX) {
            // if AUDIT_DATA_TIME field is absent, return local time
            return System.currentTimeMillis();
        }
        return (Long) data[dataTimeFieldIndex];
    }
SchemaUtils for StarRocksDynamicTableSink
Deals with schema related operations such as finding the index of
special field in fieldNames and filter out special field in data.
inlong-sort/sort-flink/sort-flink-v1.15/sort-connectors/starrocks/src/main/java/org/apache/inlong/sort/starrocks/table/sink/utils/SchemaUtils.java