presto-kudu/src/main/java/io/prestosql/plugin/kudu/properties/KuduTableProperties.java/KuduTableProperties/toUnixTimeMicros
class KuduTableProperties:    private static long toUnixTimeMicros(Object obj, Type type, String name)
    {
        if (Number.class.isAssignableFrom(obj.getClass())) {
            return ((Number) obj).longValue();
        }
        else if (obj instanceof String) {
            String s = (String) obj;
            s = s.trim().replace(' ', 'T');
            long millis = ISODateTimeFormat.dateOptionalTimeParser().withZone(DateTimeZone.UTC).parseMillis(s);
            return millis * 1000;
        }
        else {
            handleInvalidValue(name, type, obj);
            return 0;
        }
    }