Re: Schema variables - new implementation for Postgres 15 - Mailing list pgsql-hackers

From Julien Rouhaud
Subject Re: Schema variables - new implementation for Postgres 15
Date
Msg-id 20220123085245.ojgzvfdc6zet5wbp@jrouhaud
Whole thread Raw
In response to Re: Schema variables - new implementation for Postgres 15  (Pavel Stehule <pavel.stehule@gmail.com>)
Responses Re: Schema variables - new implementation for Postgres 15
List pgsql-hackers
Hi,

On Sun, Jan 23, 2022 at 09:25:56AM +0100, Pavel Stehule wrote:
> ne 23. 1. 2022 v 9:10 odesílatel Julien Rouhaud <rjuju123@gmail.com> napsal:
> 
> Isn't there enough stability of the system cache? sinval is sent at the
> moment when changes in the system catalog are visible. So inside query
> execution I don't see that the variable was dropped in another session.

Yes, inside a single query it should probably be ok, but I'm talking about
multiple query execution in the same transaction.



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