explain analyze select id from asset.copy;
                                                        QUERY PLAN
--------------------------------------------------------------------------------------------------------------------------
 Append  (cost=0.00..557613.50 rows=16244050 width=8) (actual time=0.014..8145.281 rows=15345529 loops=1)
   ->  Seq Scan on copy  (cost=0.00..557601.90 rows=16243890 width=8) (actual time=0.014..5387.758 rows=15345529 loops=1)
   ->  Seq Scan on unit  (cost=0.00..11.60 rows=160 width=8) (actual time=0.006..0.006 rows=0 loops=1)
 Planning time: 0.343 ms
 Execution time: 9683.594 ms
(5 rows)

Time: 9684.805 ms