| From: | Dirk Lutzebäck <lutzeb(at)aeccom(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Alvaro Herrera <alvherre(at)commandprompt(dot)com>, pgsql-admin(at)postgresql(dot)org, pgsql-general(at)postgresql(dot)org, pgsql-bugs(at)postgresql(dot)org, Sven Geisler <sgeisler(at)aeccom(dot)com>, pavel rabaev <pavel(at)aeccom(dot)com> |
| Subject: | Re: How to set the global OID counter? COPY WITH OIDS does |
| Date: | 2006-06-09 15:27:47 |
| Message-ID: | 44899373.6090801@aeccom.com |
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| Lists: | pgsql-admin pgsql-bugs pgsql-general |
True.
Dirk
Tom Lane wrote:
> =?ISO-8859-1?Q?Dirk_Lutzeb=E4ck?= <lutzeb(at)aeccom(dot)com> writes:
>
>> This is not a large object. We are seeing rows with duplicate oids
>> because the OID counter is not changed after the dump (exported with
>> --oids) is being loaded.
>> How does 8.1 prevent to allocate duplicate OIDs?
>>
>
> If there's a unique index on the OID column then 8.1 will not allocate
> duplicate OIDs. If there's not such a unique index, you had no
> guarantee of no-duplicates before 8.1 either.
>
> regards, tom lane
>
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