Re: Does a call to a language handler provide a context/session, and somewhere to keep session data?

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От Jan de Visser
Тема Re: Does a call to a language handler provide a context/session, and somewhere to keep session data?
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Msg-id 2773154.9cXRjvk1m4@coyote
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Ответ на Re: Does a call to a language handler provide a context/session, and somewhere to keep session data?  (<david@andl.org>)
Ответы Re: Does a call to a language handler provide a context/session, and somewhere to keep session data?  (<david@andl.org>)
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On March 8, 2016 11:35:00 AM david@andl.org wrote:
> From: pgsql-general-owner@postgresql.org
> [mailto:pgsql-general-owner@postgresql.org] On Behalf Of John R Pierce
>
> this stuff you're loading from the database once, that's just data about
> your language plugin's configuration, or is it user data, or what? [dmb>]
> It's the catalog for Andl. It contains defined functions, types, persistent
> scalar (non table) data values and links to tables.
>
> if its just a few global settings, you should consider using custom
> settings variables, rather than database tables.   for instance, pljava has
> a setting, pljava.libjvm_location='/usr/lib/jvm/java-1.8.0/lib/libjvm.so'
> or whatever which it uses to find the Java native calls interface
> library... [dmb>] Andl has something similar, but that problem is already
> solved.

You're being pretty oblique about what it is you're trying to achieve.

To go back to one of your earlier emails: the hardest problem in computing
isn't cache invalidation. It is clearly explaining what the problem at hand
is.


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