I don't think that's necessary, I'm 100% certain that it's VFP not able to interpret the size of what is coming back to
itso it just gives it the biggest type it can.
Thanks
15 Nov 2022 14:59:59 Ron <ronljohnsonjr@gmail.com>:
> On 11/15/22 12:54, Frank Cazabon wrote:
>>
>> On 15/11/2022 2:44 pm, Tom Lane wrote:
>>> Frank Cazabon <frank.cazabon@gmail.com> writes:
>>>> If however I have a function defined like this
>>>> CREATE OR REPLACE FUNCTION public.testfunction(
>>>> )
>>>> RETURNS TABLE
>>>> (
>>>> Firstname character(30)
>>>> )
>>>> LANGUAGE 'plpgsql'
>>>> AS $BODY$
>>>> BEGIN
>>>> RETURN QUERY SELECT p.cFirstName FROM patients p;
>>>> END;
>>>> $BODY$;
>>>> And I call:
>>>> SELECT * FROM public.testFunction();
>>>> Then FirstName returns as a Memo field (similar to a Text field).
>>> This is mostly about whatever software stack you're using on the
>>> client side --- Memo is certainly not something Postgres knows about.
>>>
>>>> Any idea what I need to do to get it to return the character(30) type?
>>> There's no chance of getting back the "30" part with this structure,
>>> because function signatures do not carry length restrictions.
>>> What I expect is happening is that you get firstname as an
>>> unspecified-length "character" type, and something on the client
>>> side is deciding to cope with that by calling it "Memo" instead.
>>>
>>> You could perhaps work around that by defining a named composite
>>> type:
>>>
>>> create type testfunction_result as (firstname character(30), ...);
>>>
>>> create function testfunction() returns setof testfunction_result as ...
>>>
>>> regards, tom lane
>> Thanks, so I could define the function like this - removed the (30):
>>
>> CREATE OR REPLACE FUNCTION public.testfunction(
>> )
>> RETURNS TABLE
>> (
>> Firstname character
>> )
>> LANGUAGE 'plpgsql'
>>
>> I'll try the type definition and see if that helps.
>
> I think you should try the original function in psql. That will delineate Postgresql from framework.
>
> --
> Angular momentum makes the world go 'round.
