The ib_udf dll has bin_and, bin_or, and bin_xor functions that cater
for these operations on two integers.

Regards,
Andrew Ferguson
-- A pencil with no point needs no eraser.

--- In ib-support@y..., "Mark R. Shapiro" <shapirom@s...> wrote:
> Is it possible to do boolean arithmetic in a SQL statement in
Interbase (5.6/6.0)? I have a field that represents a bitmask, and I
need to set a specific bit.
>
> TIA.
> -Mark