# 附加功能
[处理tsvector](https://support.huaweicloud.com/sqlreference-dws/dws_06_0097.html)
:
[处理查询](https://support.huaweicloud.com/sqlreference-dws/dws_06_0098.html)
:
[查询重写](https://support.huaweicloud.com/sqlreference-dws/dws_06_0099.html)
:
[收集文献统计](https://support.huaweicloud.com/sqlreference-dws/dws_06_0100.html)
: