Hi all,
I would like to know why does calling a function with select * from function doesn't work when its return type is set to void.
I'm asking this because I have a code which uses this syntax to add support for returning resultsets from functions. This way, regardless the function returns a resultset or a single value, I could do select * from function and it works very well.
The problem appears when the function has its returns type to void. I get the following error message:
npgsql_tests=> select * from funcF(); ERROR: function funcf() in FROM has unsupported return type ERROR: function funcf() in FROM has unsupported return type
where funcF is defined as:
npgsql_tests=> create function funcF() returns void as 'delete from tablea where field_serial > 5' language 'sql';
CREATE FUNCTION
But it does work if I call it as:
select funcF();
I'd like to know if would be possible to change this behaviour to return an empty result set with a null value. This way, there would be consistency in calling all functions regardless of its return type with select * from function.
Thanks in advance.
-- Regards,
Francisco Figueiredo Jr.
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