2012/8/30 Robert Haas <robertmhaas@gmail.com>:
> On Tue, Aug 14, 2012 at 3:46 AM, Pavel Stehule <pavel.stehule@gmail.com> wrote:
>> patch that implements "shared" client/server session variables
>
> I don't really see what we can do with this that we can't do without this.
a motivation for this patch was discussion about parametrised DO
statement - and simple possibility of access to host variables (psql)
variables from server - PL scripts.
It is based on Tom's and Magnus's ideas - it is secure, because only
variables explicitly mentioned in shared namespace are "shared".
http://archives.postgresql.org/pgsql-hackers/2012-06/msg01506.php
Regards
Pavel
>
> --
> Robert Haas
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