Re: using OID as primary key
| От | darcy@druid.net (D'Arcy J.M. Cain) |
|---|---|
| Тема | Re: using OID as primary key |
| Дата | |
| Msg-id | m13FdJf-000AXVC@druid.net обсуждение исходный текст |
| Ответ на | Re: using OID as primary key (JanWieck@t-online.de (Jan Wieck)) |
| Список | pgsql-sql |
Thus spake Jan Wieck
> > are there any disadvantages of using OID as the primary key for any
> > table?
> > What about referencing external tuples using their OIDs?
>
> Currently OID is not supported for references. Has to do with
> some checks done in the RI triggers, using SPI functions.
> We're thinking about a solution...
Also, don't forget about the dump/restore issue. You have to remember
to dump OIDs with "-o" or else all your references will be trashed.
<OPINION>
Personally I would avoid it. Adding a serial type almost gives you
the same thing anyway. OIDs are useful in system tables and temporarily
in programs when dealing with tables without primary keys.
</OPINION>
--
D'Arcy J.M. Cain <darcy@{druid|vex}.net> | Democracy is three wolves
http://www.druid.net/darcy/ | and a sheep voting on
+1 416 425 1212 (DoD#0082) (eNTP) | what's for dinner.
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