Re: Package support for Postgres

Based on this email, I am assuming we don't want to add Package support
but instead will do it with schemas, which Tom is already working on.

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Peter Eisentraut wrote:
> Bill Studenmund writes:
>
> > Honestly, I do not understand why "global variables" have been such a sore
> > point for you.
>
> My point is that the proposed "package support" introduces two features
> that are a) independent, and b) already exist, at least in design.
> Schemas are already planned as a namespace mechanism. Global variables in
> PLs already exist in some PLs. Others can add it if they like. There
> aren't any other features introduced by "package support" that I can see
> or that you have explicitly pointed out.
>
> So the two questions I ask myself are:
>
> 1. Are package namespaces "better" than schemas? The answer to that is
> no, because schemas are more standard and more general.
>
> 2. Are global variables via packages "better" than the existing setups?
> My answer to that is again no, because the existing setups respect
> language conventions, maintain the separation of the backend and the
> language handlers, and of course they are already there and used.
>
> So as a consequence we have to ask ourselves,
>
> 3. Do "packages" add anything more to the table than those two elementary
> features? Please educate us.
>
> 4. Would it make sense to provide "packages" alongside the existing
> mechanisms that accomplish approximately the same thing. That could be
> debated, in case we agree that they are approximately the same thing.
>
> --
> Peter Eisentraut peter_e(at)gmx(dot)net http://funkturm.homeip.net/~peter
>
>
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