public Class<?> getObjectClass(ClickHouseDataConfig config) {
        if (timeZone != null) {
            return OffsetDateTime.class;
        }

        return config != null && config.isWidenUnsignedTypes() ? dataType.getWiderObjectClass()
                : dataType.getObjectClass();
    }
Sets zero-based column index and column count.

@param index zero-based column index, negative number is treated as zero
@param count column count, should be always greater than one
clickhouse-data/src/main/java/com/clickhouse/data/ClickHouseColumn.java