| Group (cost=2482.97..2484.59 rows=161 width=4) |
| Group Key: in_device |
| -> Sort (cost=2482.97..2483.78 rows=324 width=4) |
| Sort Key: in_device |
| -> Seq Scan on tbl_punch (cost=0.00..2469.46 rows=324 width=4) |
| Filter: ((in_device IS NOT NULL) AND (user_id = 1001)) |