Re: Protection from SQL injection

"Gurjeet Singh" <singh.gurjeet@gmail.com> writes:
> Maybe we can extend the SQL's WITH clause do declare the constant along with
> the query, and not separate from the query.

> WITH CONSTANT c_jobrole = 'clerk', CONSTANT c_dept = 10
> SELECT * FROM emp WHERE jobrole = c_jobrole and deptno = c_dept;

[ scratches head... ]  And that will provide SQL injection protection how?

Anyway, you hardly need new syntax to do that, I'd expect
WITH SELECT 'clerk' AS c_jobrole ...

to accomplish it just fine.
        regards, tom lane