Re: Bitwise operation

On Mon, Jun 30, 2003 at 22:28:15 +1000,
Rudi Starcevic <rudi(at)oasis(dot)net(dot)au> wrote:
>
> Hi,
>
> I'm learning to use Postgresql's bitwise operator's as I'm interested
> in building super fast search's based on user selections in web forms.
>
> So far so good but I have just lost it a little so I thought I'd post.
> Please growl at me if I'm asking on the wrong list :-)
>
> I understand this:
>
> SELECT 111 & 11 = 11
>
> but not this
>
> SELECT 1111 & 111 = 71
>
> I was expecting the second example to be
>
> SELECT 1111 & 111 = 111

In the above examples the numbers are decimal values.

Maybe you wanted to do something like the following:

area=> select b'1111' & b'0111';
?column?
----------
0111
(1 row)