[SQL] A bug in triggers PG 7.1.3 or misunderstand ?

[Domingo Alvarez Duarte]

I have this database and it was working with PG 7.1.2 !!!

When I try to delete a record the trigger is fired but the delete is
not executed.

---------------------------------------code start here
drop database test_trig;
create database test_trig;
\connect test_trig
--
-- TOC Entry ID 2 (OID 81843)
--
-- Name: client_pages_id_seq Type: SEQUENCE Owner: mingo
--

CREATE SEQUENCE "client_pages_id_seq" start 1 increment 1 maxvalue
2147483647 minvalue 1  cache 1 ;

--
-- TOC Entry ID 34 (OID 81862)
--
-- Name: client_pages Type: TABLE Owner: mingo
--

CREATE TABLE "client_pages" (
        "id" integer DEFAULT nextval('"client_pages_id_seq"'::text) NOT NULL,
        "client_id" integer NOT NULL,
        "name" character varying(250) NOT NULL,
        "lang_id" integer,
        "content" text,
        Constraint "client_pages_pkey" Primary Key ("id")
);

--
-- TOC Entry ID 28 (OID 82749)
--
-- Name: client_pages_trash_id_seq Type: SEQUENCE Owner: mingo
--

CREATE SEQUENCE "client_pages_trash_id_seq" start 1 increment 1
maxvalue 2147483647 minvalue 1  cache 1 ;

--
-- TOC Entry ID 66 (OID 82768)
--
-- Name: client_pages_trash Type: TABLE Owner: mingo
--

CREATE TABLE "client_pages_trash" (
        "id" integer DEFAULT nextval('"client_pages_trash_id_seq"'::text) NOT
NULL,
        "client_id" integer NOT NULL,
        "page_id" integer,
        "page_name" character varying(250),
        "date_posted" timestamp with time zone DEFAULT now(),
        "content" text,
        Constraint "client_pages_trash_pkey" Primary Key ("id")
);

--
-- TOC Entry ID 85 (OID 82803)
--
-- Name: "client_pages_upd_del_tr" () Type: FUNCTION Owner: mingo
--

CREATE FUNCTION "client_pages_upd_del_tr" () RETURNS opaque AS '
begin
    insert into client_pages_trash(client_id,page_id,page_name,content)
    values(old.client_id,old.id,old.name,old.content);
    return new;
end;' LANGUAGE 'plpgsql';


--
-- TOC Entry ID 112 (OID 93427)
--
-- Name: client_pages_tr Type: TRIGGER Owner: mingo
--

CREATE TRIGGER "client_pages_tr" BEFORE DELETE OR UPDATE ON
"client_pages"  FOR EACH ROW EXECUTE PROCEDURE
"client_pages_upd_del_tr" ();

insert into client_pages(client_id,name,lang_id,content)
values(1,'car',1,'hello');
select * from client_pages;
select * from client_pages_trash;
update client_pages set content = 'updated' where id = 1;
select * from client_pages;
select * from client_pages_trash;
delete from client_pages where id = 1;
select * from client_pages;
select * from client_pages_trash;

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