Re: limiting access to (through) views

On Wed, 16 Jan 2002, Glenn MacGregor wrote:

> Hi All,
>
> I need to limit access to certain rows of a table. It was suggested
> to do this via a view, but it seems to me that I need the current
> username that is logged in to do this. Also I need to get info from
> another table inorder to make this work. Can I have multiple selects
> in a single view using the output of one in another?
>
> Example:
>
> table1:
> col1,col2,col3
>
> table1 Data:
> test,here,max
> test1,here1,me
> test2,here2,one
> test3,here3,max
> test4,here4,one
> test5,here5,two
>
> table2:
> username,key
>
> table2 Data:
> user1,max
> user2,one
> user3,two
> user4,me
>
> So I have these two tables, I authenticate and gain access to the db.
> How do I know who I am in a query? I need to query table2 for the key
> of the username I am. Then I need to query table1 for rows that col3
> matches the key I got from the previous query.
>
> Is this possable with a view?

CURRENT_USER should give the current user name.
Hmm for the above maybe...

select table1.* from
table1, table2 where
table1.col3=table2.key and
table2.username=CURRENT_USER;