Alain Roger wrote:
> I would like to know if there is a better way how to retrieve
> result from a stored procedure (function) than to use 'AS
> res(col1 varchar, col2 timestamp,..)'
>
> for example, here is a stored procedure :
> CREATE OR REPLACE FUNCTION SP_A_003(username VARCHAR)
> RETURNS SETOF RECORD AS
[...]
Yes, there are two ways to avoid this.
1.) define a composite type:
CREATE TYPE sp_a_result (
name varchar,
firstname varchar,
userlogin varchar,
statustype varchar
);
CREATE OR REPLACE FUNCTION SP_A_003 (username VARCHAR)
RETURNS SETOF sp_a_result AS ...
2.) Use output parameters (for Versions >= 8.1):
CREATE OR REPLACE FUNCTION SP_A_003 (
username IN VARCHAR,
name OUT varchar,
firstname OUT varchar,
userlogin OUT varchar,
statustype OUT varchar
) RETURNS SETOF record AS ...
You can find a more verbose description in
http://www.postgresql.org/docs/current/static/xfunc-sql.html
Yours,
Laurenz Albe
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