Re: final light versions of Oracle compatibility (SQLSTATE,

Also, do we want these features? Do they duplicate anything we already
have?

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Tom Lane wrote:
> Neil Conway <neilc(at)samurai(dot)com> writes:
> > Attached is a revised version of this patch. I'll apply it tonight or
> > tomorrow, barring any objections.
>
> I still find the grammar changes to be an ugly kluge --- it should be
> possible to do this without introducing bogus nonterminals.
>
> The ns push/pop operations don't appear to be correctly matched
> (consider multiple WHEN clauses, a case the regression test does not
> cover), nor do they surround the places where the variables are created.
> It is likely that you don't need a push/pop at all; if it appears to
> work now it's because the end of the block results in a pop and so
> the variables disappear then anyway.
>
> The patch is sloppy about whether free_var() is static or not.
>
> I find the proposed change in plpgsql_ns_additem a distinct
> disimprovement --- it's dubious even as a micro-optimization
> and it certainly hurts legibility.
>
> regards, tom lane
>
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