Re: Problem after installing triggering function

Yan Cheng Cheok <yccheok@yahoo.com> writes:
> I have a stored procedure execute the following code :
>     INSERT INTO unit(fk_lot_id, cycle)
>     VALUES(_lotID, _cycle) RETURNING  * INTO _unit;
>     raise notice 'AFTER INSERT INTO UNIT,  _unit.unit_id = %', _unit.unit_id ;

> unit_id column, is an auto generated primary key. I will always get a non-null value.

> However, after I install a trigger function, and create a table named unit_0 inherit from table unit,

> NOTICE:  AFTER INSERT INTO UNIT,  _unit.unit_id = <NULL>

> will be printed.

If you installed it as a BEFORE trigger, the problem is here:

>     RETURN NULL;

That's suppressing the INSERT action.

            regards, tom lane