> > Hmmm, well variables can default to NULL too. The backend code tries to
> > track those variables which default to NULL or to other values. For the
> > rest, it defaults them to "". It then uses construct_md_array to generate
> > the output string for type TEXTOID. Dunno if we can have nothing (an
> > string) as valid TEXTOID output. I guess it's a limitation for this type.
> > Let me see if we can do something here on the backend side...
> Doesn't really help, as we need to ensure it works sanely with
> existing servers too.
Well it will work with only those servers which support default values for
arguments (PG 8.4 onwards, right?).
But I guess you mean, we should find a solution more on the pgadmin side
instead of tinkering with the backend?
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