Peter Eisentraut <pete...@gmx.net> writes:
> [ 0001-Implement-information_schema.parameters.parameter_de.patch ]
I'm a bit confused as to where this column is coming from? There's
no such thing in SQL:2008 as far as I can see. If it's coming from
some not-yet-ratified draft, maybe we should wait for ratification.
It's impossible for a bystander to tell if this implementation conforms
to what the spec is expecting.
BTW, although SQL:2008 lacks this column in the parameters view, there
are about six columns it has that we don't: see the from_sql_xxx and
to_sql_xxx columns. Surely we should put those in (at least as dummy
columns) before trying to claim adherence to some even-newer spec draft.
As far as the code goes, I have no particular objections, modulo the
question about whether this patch is implementing spec-compatible
behavior. A small stylistic idea is that maybe the computation of
nth_inputarg should be moved down nearer where it's used. Really
that's just part of the calculation of nth_default, and it wouldn't
be unreasonable to stick it under the comment explaining why we're
doing that calculation like that.
regards, tom lane
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