Yes. You need to remove the row on pg_relcheck and then change the
value of relchecks for the row in pg_class for the relation the check
constraint is on.
On Wed, 7 Feb 2001, Tamsin wrote:
> Hello,
>
> Is it possible to drop a check constraint in any way without
> dropping/recreating the table? I've managed to drop foreign key constraints
> by dropping the associated triggers, but check constraints don't seem to
> create triggers and there isn't an alter table drop constraint command. Is
> there something I can do to the system tables?
