|From:||Chapman Flack <chap(at)anastigmatix(dot)net>|
|To:||Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>|
|Cc:||PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>|
|Subject:||Re: PostgreSQL vs SQL/XML Standards|
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On 01/20/19 20:07, Chapman Flack wrote:
> So it appears that this example does not depend on any special treatment
> of the default_expression.
> Is there an example that can be constructed that would depend on the
> special treatment (in which case, the PL/Java implementation would be
> unable to produce the same result)?
I see that I briefly forgot one difference that does matter, namely the
timing of a call to a volatile function like nextval. That detail certainly
needs to remain in the docs.
I am left wondering if that might be the only effect of the deferred
argument evaluation that really does matter.
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