Обсуждение: [HACKERS] Re: [QUESTIONS] Inheriting Triggers

On Wed, 18 Mar 1998, David Harvey-George wrote:

> I found that triggers don't get inherited... or rather the triggers
> for the superclass don't get checked when inserting or updating rows
> when enforcing referential intregrity.  This is a bit of a pain as it
> means I have to duplicate a lot of triggers.  Any idea if this can be
> fixed?  Presumably this would mean 'fixing' to the TRIGGER handling
> code to look up the inheritance stack calling the appropriate
> triggers?
>
> Maybe like inheriting PRIMARY KEY attributes this is more of a
> feature?

I did ask about this last weekend (while looking at some features for
JDBC). This looks like a similar problem.

--
Peter T Mount  petermount@earthling.net or pmount@maidast.demon.co.uk
Main Homepage: http://www.demon.co.uk/finder
Work Homepage: http://www.maidstone.gov.uk Work EMail: peter@maidstone.gov.uk

>On Wed, 18 Mar 1998, David Harvey-George wrote:
>
>> I found that triggers don't get inherited... or rather the triggers
>> for the superclass don't get checked when inserting or updating rows
>> when enforcing referential intregrity.  This is a bit of a pain as it
>> means I have to duplicate a lot of triggers.  Any idea if this can be
>> fixed?  Presumably this would mean 'fixing' to the TRIGGER handling
>> code to look up the inheritance stack calling the appropriate
>> triggers?
>>
>> Maybe like inheriting PRIMARY KEY attributes this is more of a
>> feature?
>
I'm glad that I'm not the only one who is of the opinion that inheritance is
needed for triggers and the like.

Regards,
Maurice