Re: Returning multiple result sets

Tom Lane wrote:
> Martijn van Oosterhout <kleptog(at)svana(dot)org> writes:
> > libpq supports it just fine. You do a PQsendQuery() and then as many
> > PQgetResult()s as it takes to get back the results. This worked for a
> > while AFAIK.
>
> That only works if the caller is prepared to read each result serially,
> and not (say) a row at a time in parallel. There are a bunch of
> ease-of-use problems as well, such as knowing which resultset is which,
> coping with errors detected after the first resultset(s) are sent, etc.
>
> A more realistic way of dealing with multiple resultsets is to deliver
> them as named cursor references and allow the client to FETCH
> reasonable-sized chunks. We can sort of handle this today, but it's
> notationally painful at both the stored-procedure and client ends.

Is there a TODO here?

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