On Tue, 27 Jul 2004, PostgreSQL Bugs List wrote:
> Bug reference: 1201
> Logged by: Jonathan Scott
> Email address: [EMAIL PROTECTED]
> PostgreSQL version: 7.4
> Description: void functions called through jdbc driver return error
>
> At work here, we are considering upgrading from 7.3 to 7.4, but we've hit a
> bit of a snag. We have functions in our schema that have return void. When
> called through the 7.4's JDBC driver, we get the following error:
>
> ERROR: function "fulfill_cctrans_item" in FROM has unsupported return type
>
To elaborate more on this problem after it gets past the jdbc driver, what
happens is that the function call execution is translated into a SQL
statement of the form "SELECT * FROM voidfunc();" This produces a server
error message:
CREATE OR REPLACE FUNCTION voidfunc() RETURNS void AS
'begin return; end;'
LANGUAGE plpgsql;
SELECT * FROM voidfunc();
ERROR: function "voidfunc" in FROM has unsupported return type
It is unclear why this is disallowed. A plain "SELECT voidfunc();" works.
Kris Jurka
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