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@gmx.net   http://funkturm.homeip.net/~peter
> 
> 
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