Jim Nasby <j...@nasby.net> writes:
> Do we actually support = right now? We already support
> v_field := field FROM table ... ;
> and I think it's a bad idea to have different meaning for = and :=.
That ship sailed a *very* long time ago. See other thread about
documenting rather than ignoring this more-or-less-aboriginal
behavior of plpgsql.
> I have no idea if this is related or not, but I would REALLY like for this to
> work (doesn't in 8.4, AFAIK not in 9.1 either...)
Hm ... too tired to be sure, but I think the issue about inlining a
function of this kind has to do with whether you get the same answers
in corner cases such as subselect fetching no rows.
regards, tom lane
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