SET search_path TO sequences_schema;
-- see the renamed sequence object
select count(*) from pg_sequence where seqrelid = 'renamed_seq'::regclass;
 count
---------------------------------------------------------------------
     1
(1 row)

TRUNCATE seq_test_0;
INSERT INTO seq_test_0 VALUES (1);
-- verify that sequence works properly
select max(z) into maxval_z from seq_test_0;
select max(y) into maxval_y from seq_test_0;
select max+1=nextval('renamed_seq') as check_sanity from maxval_z;
 check_sanity
---------------------------------------------------------------------
 t
(1 row)

select max+1=nextval('seq_1') as check_sanity from maxval_y;
 check_sanity
---------------------------------------------------------------------
 t
(1 row)

TRUNCATE seq_test_0;
INSERT INTO seq_test_0 VALUES (199999, DEFAULT, DEFAULT);
drop table maxval_z;
select max(z) into maxval_z from seq_test_0;
SELECT pg_sequence_last_value('renamed_seq'::regclass) = max FROM maxval_z;
 ?column?
---------------------------------------------------------------------
 t
(1 row)

TRUNCATE seq_test_0;
BEGIN;
    INSERT INTO seq_test_0 VALUES (2);
    -- verify that sequence works properly
     select max(z)+1=nextval('renamed_seq') as check_sanity from seq_test_0 ;
  check_sanity
---------------------------------------------------------------------
  t
 (1 row)

    select max(y)+1=nextval('seq_1') as check_sanity from seq_test_0 ;
 check_sanity
---------------------------------------------------------------------
 t
(1 row)

COMMIT;
