The following bug has been logged online:
Bug reference: 4710
Logged by: Oleg
Email address: serovOv(at)gmail(dot)com
PostgreSQL version: last stable
Operating system: CentOS
Description: Bug with sql functions, when using INSERT.. RETURNING ..
statment
Details:
Example:
CREATE TABLE test (id BIGINT);
CREATE OR REPLACE FUNCTION test(in_row test) RETURNS bigint AS
$body$
INSERT INTO test (SELECT $1.*) RETURNING id;
$body$
LANGUAGE 'sql';
WILL THROW:
ERROR: return type mismatch in function declared to return bigint
DETAIL: Function's final statement must be a SELECT.
CONTEXT: SQL function "test"
It is okey ?