Why does my stored procedure only return a single record?

If you have a selectable stored procedure, make sure you use SUSPEND to make a record available to the client and use SELECT on the client end to retrieve values. Example:

SET TERM !! ;

CREATE PROCEDURE p1 ( x integer )
RETURNS ( y integer )
AS
BEGIN
y = x * 2;
suspend;
END!!

SET TERM ; !!

Example usage:

SELECT y FROM p1(10);

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