-- Procedure de test_retrieve_items
CREATE OR REPLACE FUNCTION get_all_test() RETURNS SETOF test_pepe AS 'select * from test_pepe;' language 'sql';

-- Procedure de test_add_item

CREATE OR REPLACE FUNCTION test_add_item (p_url IN VARCHAR, p_origin IN VARCHAR) RETURNS BOOLEAN
    AS $BODY$
BEGIN
    INSERT INTO test_pepe (url,origin)
        VALUES (p_url,p_origin);

    RETURN TRUE;

EXCEPTION
    WHEN unique_violation THEN
        RAISE unique_violation USING MESSAGE = 'TABLE test_pepe: DUPLICATED VALUE "' || p_url || '" ON FIELD NAMED "url"';

        RETURN FALSE;

    WHEN OTHERS THEN
        RAISE EXCEPTION 'OTHER EXECP INSERTING VALUES (%, %)', p_url, p_origin USING HINT = 'Please check the values';
        RETURN FALSE;
END;
$BODY$
    LANGUAGE plpgsql;