On Sat, Jun 10, 2006 at 07:15:02PM +0100, Andy Shellam wrote:
> So, what I'm trying to do is use a primary key to generate invoice
> numbers such as "INV0000001", "INV0000002" etc. Obviously a sequence
> generates the increments, but when I try formatting it, it adds a space
> at the beginning of the number.
The FM modifier suppresses padding spaces.
http://www.postgresql.org/docs/8.1/interactive/functions-formatting.html#FUNCTIONS-FORMATTING-DATETIMEMOD-TABLE
test=> SELECT 'INV' || to_char(123, 'FM0000000');
?column?
------------
INV0000123
(1 row)
--
Michael Fuhr