From: | Philip Warner <pjw(at)rhyme(dot)com(dot)au> |
---|---|
To: | Chris Bitmead <chrisb(at)nimrod(dot)itg(dot)telstra(dot)com(dot)au>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: heap_create with OID? |
Date: | 2000-07-05 05:12:56 |
Message-ID: | 3.0.5.32.20000705151256.02461a40@mail.rhyme.com.au |
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Lists: | pgsql-hackers |
At 09:42 5/07/00 +1000, Chris Bitmead wrote:
>Philip Warner wrote:
>
>> Updating OIDs sounds like a *very* scary thing to do.
>
>It's scary, but useful in some specific situations. Restoring lost data
>is an obvious one. There would be applications in writing certain forms
>of database replication schemes. There is also a technique in object
>databases where the client side code has to know what the oid for an
>object will be before it is actually added to the database.
None of these strictly involve updating OIDs; they seem to be choosing OIDs
at creation time, which is a very different thing.
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