Re: Returning a table from a function, that requires multiple selects? - Mailing list pgsql-general

Rob Sargent <robjsargent@gmail.com> writes:
>> On Aug 30, 2019, at 2:09 PM, Guyren Howe <guyren@gmail.com> wrote:
>>
>> On Aug 30, 2019, at 13:03 , stan <stanb@panix.com <mailto:stanb@panix.com>> wrote:
>>> Is it possible for a function to return a table with results from multiple
>>> queries?

>> You could just return a tuple VALUES(a, b). Or you could define a type to return if you want to get fancy.

> Here I you might want VALUE(array[‘heading1’,a], array[‘heading2',b]) unless you’re certain you know which date is
which.

Yeah, that would be a good reason to return a declared composite type.
Something like

CREATE TYPE two_dates AS (start date, stop date);

CREATE FUNCTION f(...) RETURNS two_dates AS ...;

SELECT * FROM f(...);

            regards, tom lane