feature request: additional option keywords

[andrisi]

I'm experimenting with a new type of SQL resultset handling type, and would like to trigger it with an option on top of the standard mysql syntax. It would be really helpful if I could add an additional option keywords like SQL_BIG_RESULT to the parser. I need SQL_SLICE but ideally a way to add arbitrary ones would be the best. Then I'd do a SELECT SQL_SLICE * FROM books for example. Thanks.