Re: Should this require CASCADE?

Tom Lane wrote:
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > As far as this question, seems with no RESTRICT/CASCADE, it fails, with
> > RESTRICT it drops the trigger, and with CASCADE it drops the referencing
> > table.  Is that accurate?
> 
> Not at all.  CASCADE would drop the foreign key constraint (including
> the triggers that implement it), but not the other table.  In my mind
> the issue is whether RESTRICT mode should do the same, or report an
> error.
> 
> I'm not eager to accept the idea that DROP-without-either-option should
> behave in some intermediate fashion.  I want it to be the same as
> RESTRICT.

Sounds good to me, and I don't think we need to require RESTRICT just
because the standard says so.  Does the standard require RESTRICT for
every DROP or just drops that have foreign keys?

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