Horton

Re: How to set the global OID counter? COPY WITH OIDS does

Dirk Lutzebäck <lutzeb@aeccom.com>

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From: Dirk Lutzebäck <lutzeb@aeccom.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Alvaro Herrera <alvherre@commandprompt.com>, pgsql-admin@postgresql.org, pgsql-general@postgresql.org, pgsql-bugs@postgresql.org, Sven Geisler <sgeisler@aeccom.com>, pavel rabaev <pavel@aeccom.com>
Date: 2006-06-09T15:27:47Z
Lists: pgsql-bugs 
True.

Dirk

Tom Lane wrote:
> =?ISO-8859-1?Q?Dirk_Lutzeb=E4ck?= <lutzeb@aeccom.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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*Dirk Lutzebäck* <lutzeb@aeccom.com> Tel +49.30.5362.1635 Fax .1638
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