Re: OID's....
От | Bruce Momjian |
---|---|
Тема | Re: OID's.... |
Дата | |
Msg-id | 200105302147.f4ULlaH09463@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: OID's.... (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-general |
> > Also, when the OID's reach the limit of an int4, if I recall correctly, > > they simply wrap around, and things keep working unless you depend on > > unique OID's. Is that correct? > > That's the theory, anyway. After the wrap, you could see occasional > failures due to OID conflicts in the system catalogs --- for example, if > you try to create a table but the assigned OID duplicates some existing > table's OID, you'd get a can't-insert-duplicate-into-unique-index kind > of failure. The solution if that happens is just to try again; > eventually you'll get an OID that doesn't conflict. But the odds of a > conflict like that should be very low in practice. Seems we could avoid that by getting another oid and retrying. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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