""xiapw"" <xiapw@lreis.ac.cn> wrote
> Hello everyone,I want to konw how to extend the SQL.
> For example,Create table temp [sec_level],sec_level means the secure level
> of the table that you have created,how to do this?
If you mean extend the SQL grammar, modify file backend/parser/gram.y.
Regards,
Qingqing