raghu ram <raghuchennuru@gmail.com> hat am 21. Oktober 2011 um 17:12
geschrieben:
>
>
> On Fri, Oct 21, 2011 at 8:33 PM, Emi Lu<emilu@encs.concordia.ca>wrote:
>
> > Good morning,
> >
> >
> > Is there a way to temporally disabled foreign key constraints something
> > like:
> >
> > SET FOREIGN_KEY_CHECKS=0
> >
> > When population is done, will set FOREIGN_KEY_CHECKS=1
> >
> >
You can disable *triggers* on a table (which will disable all the FK
constraints, but not things like 'not nul' or 'unique').
> For Disable:
> update pg_class set reltriggers=0 where relname = 'TEST';
> For Enable:
> update pg_class set reltriggers = count(*) from pg_trigger where
> pg_class.oid=tgrelid and relname='TEST';
>
>
No, don't manipulate pg_* - tables. Use instead ALTER TABLE ... DISABLE TRIGGER
...
Regards, Andreas
>
> --Raghu
>
>
