> SELECT id, created_at, SUBSTRING(text FROM 'Rows:\s+(\d+)\/10000') as rows FROM statuses WHERE text LIKE '%heroku pg:info%' ORDER BY created_at;
id | created_at | rows
-------+----------------------------+-------
24 | 2017-04-15 05:28:12.223335 | 94
202 | 2017-04-15 21:42:48.25086 | 338
256 | 2017-04-16 07:06:29 | 338
700 | 2017-04-17 00:16:53.153108 | 1189
1248 | 2017-04-17 18:14:30.608587 | 2138
2025 | 2017-04-18 17:14:35.338454 | 3498
: