Re: psql variable to plpgsql?

From: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
To: "Thiemo Kellner, NHC Barhufpflege" <thiemo(dot)kellner(at)gelassene-pferde(dot)biz>
Cc: pgsql-general <pgsql-general(at)lists(dot)postgresql(dot)org>
Subject: Re: psql variable to plpgsql?
Date: 2018-04-11 12:35:18
Message-ID: CAFj8pRAOU4pvGLhzeD+HBQ5a-c0onzPHL-gebOhieiy=jETUUQ@mail.gmail.com
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2018-04-11 11:36 GMT+02:00 Thiemo Kellner, NHC Barhufpflege <
thiemo(dot)kellner(at)gelassene-pferde(dot)biz>:

> Zitat von Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>:
>
> No, there is not possible to read/write client side variables from server
>> side.
>>
>
> I did not mean that the variable be replaced by its value at execution
> time but at Installation time.

no. The :xxx is not evaluated inside string. The workaround is using GUC
variables and related functions. Can be used from psql and from plpgsql too.

https://stackoverflow.com/questions/13172524/passing-user-id-to-postgresql-triggers/13172964#13172964

Regards

Pavel

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