Re: nextval() on serial using old, existing value on insert?

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Am 11.05.23 um 14:38 schrieb hubert depesz lubaczewski:
On Wed, May 10, 2023 at 10:06:28PM -0700, Wells Oliver wrote:
As a follow up, I've selected max(common_key) from the table and
setval()'ed on the sequence to that +1 and I think that should make this go
away. Any reason why that's insane?
If you're on pg 10 or newer, you can make the id to be "generated always
as identity" which will make it impossible to provide id value from
user, thus making the problem impossible to happen.

Best regards,


Impossible to happen by chance. A malicious user could always use OVERRIDING SYSTEM VALUE clause.

Kind Regards,


Holger Jakobs, Bergisch Gladbach, Tel. +49-178-9759012

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