Sunday, September 28, 2008

Re: [GENERAL] NULL values seem to short-circuit my unique index

Matthew Wilson <matt@tplus1.com> writes:
> It seems like I can insert two rows with NULL values in a column with a
> unique constraint just fine.

This is per SQL spec and quite well-documented in our manual ...

regards, tom lane

--
Sent via pgsql-general mailing list (pgsql-general@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-general

No comments: