Re: Pseudo modification of views and triggers (again)
От | Jean-Michel POURE |
---|---|
Тема | Re: Pseudo modification of views and triggers (again) |
Дата | |
Msg-id | 200202192119.g1JLJCFP020590@www1.translationforge обсуждение исходный текст |
Ответ на | Re: Pseudo modification of views and triggers (again) (Dave Page <dpage@vale-housing.co.uk>) |
Список | pgadmin-hackers |
> I've just found out that views can be renamed using ALTER TABLE <viewname> > RENAME... iirc, VIEWs are referred to by OID from PL/SQL functions & other > views, and by name from pl/pgsql functions. OK. Since we can modify PL/pgSQL functions, it is no problem. It is a pitty we don't have CREATE OR REPLACE VIEW anyway. > Sequences can also be renamed in this way. Great. It also works for indexes. So interesting. > I would suggest (in pgSchema) saving the definition in a local variable > before the update attempt, then if an error occurs, re-run the old SQL. Yes. > NOTE: I also noticed that you do not retrieve the new OID. This could be > done along with the definition. Yes, you are right. > Triggers could be implemented exactly as Views. Each property will need to > be handled seperately, though in the future we might look into merging > multiple updates into one. Can we rename a trigger with ALTER TABLE RENAME ? > The Name property must be handled differently (as it would be for Views & > Sequences) in the Collection class. This has already been done for tables, > so there is some example code to steal. You already did 99% of the job and I wron't complain about it. The next big thing now is table pseudo-modification. We should be able to provide a very nice solution. Cheers, Jean-Michel
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