Have a question concerning how OID's are generated and assigned to tables in 
postgres.

The application I inherited relies upon the oid's for primary keys.

I am currently in process of migrating our current Postgres Database from one 
server [Postgres version 7.2] to another server [version 8.1.9]

PostgreSQL software was installed off the Linux 5 enterprise CD by our server 
team.

I have been able to perform and pgdump -o of the 7.2 database and restore to 
the 8.1.9 server without any errors.

However, I have noticed that the oids being generated and assigned when adding 
new records appear to have restarted from 17901. The current oid assigned from 
version 7.2 was 203199999.

The question is, after reloading the 7.2 version into the 8.19 version, should 
the migrated database be starting with the 203199999 as last oid and then 
assign 203200000 as the next oid?

What it is appears to be doing is restarting from beginning.

What I am concerned about is when the 8.1.9 version assigns an oid that already 
exists.

Any help on why this is happening would be appreciated.

Thanks,

Joe

Joseph Lipker
Weyerhaeuser Real Estate Company - IT Department
EC3-3C8
Federal Way, WA 98063-9777
Office: 253-924-5994
Cell: 253-249-6819
joseph.lip...@wreco1.com



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