Tom Lane wrote:
> Bruce Momjian <[EMAIL PROTECTED]> writes:
> > I don't remember every seeing a function returning sets before. Can you
> > give an example?
>
> http://www.ca.postgresql.org/users-lounge/docs/7.2/postgres/xfunc-sql.html#AEN26392
>
> Also, the preceding subsection shows SQL functions returning rows. So
> these features have been there, but they were messy and awkward to use.
> Recall that the TODO item was
> * -Functions returning sets do not totally work
> and not "we don't have functions returning sets".
Yes, now I remember, only SQL functions could return sets. How about
this:
PL/PgSQL and C functions can now return sets, with multiple
rows and multiple columns. You specify these functions in the
SELECT FROM clause, similar to a table or view.
--
Bruce Momjian | http://candle.pha.pa.us
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