Jeff Amiel jamiel
Thu Aug 19 19:46:30 PDT 2004
neat....I learn new things about the inner workings of postgreSQL every 
day....
so...what is the 'executor'?

Jeff


Jan Wieck wrote:

> On 8/19/2004 3:36 PM, Jeremiah Jahn wrote:
>
>> If you could, wouldn't that fix the problem? So, would it be worthwhile
>> to be able to put a trigger on at least the LO table, maybe even other
>> system tables (for schema replication). I assume that it's a performance
>> issue that has prevented this before.
>
>
> No. The issue is that system catalog updates most of the time don't go 
> through the executor, but call heap_insert(), heap_update and 
> heap_delete() directly. The trigger mechanism is in the executor.
>
>
> Jan
>
>>
>> -jj- 
>> On Thu, 2004-08-19 at 13:29, Doug McNaught wrote:
>>
>>> Jeremiah Jahn <jeremiah at cs.earlham.edu> writes:
>>>
>>> > So it's not possible to just trigger off of the pg_large_object 
>>> table?
>>>
>>> No, you can't put triggers on system tables.
>>>
>>> -Doug
>>
>
>



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