CREATE EXTENSION tsm_system_time;
CREATE TABLE test_tablesample (id int, name text) WITH (fillfactor=10); -- force smaller pages so we don't have to load too much data to get multiple pages
INSERT INTO test_tablesample SELECT i, repeat(i::text, 1000) FROM generate_series(0, 30) s(i) ORDER BY i;
ANALYZE test_tablesample;
SELECT count(*) FROM test_tablesample TABLESAMPLE system_time (1000);
 count 
-------
    31
(1 row)

SELECT id FROM test_tablesample TABLESAMPLE system_time (1000) REPEATABLE (5432);
 id 
----
  7
 14
 21
 28
  4
 11
 18
 25
  1
  8
 15
 22
 29
  5
 12
 19
 26
  2
  9
 16
 23
 30
  6
 13
 20
 27
  3
 10
 17
 24
  0
(31 rows)

EXPLAIN SELECT id FROM test_tablesample TABLESAMPLE system_time (100) REPEATABLE (10);
                                     QUERY PLAN                                     
------------------------------------------------------------------------------------
 Sample Scan (system_time) on test_tablesample  (cost=0.00..100.25 rows=25 width=4)
(1 row)

-- done
DROP TABLE test_tablesample CASCADE;