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SELECT time, deviceId, temperature, pressure FROM device_metrics WHERE time > now() - interval '1 hour' AND lineId = 'LINE-1' ORDER BY time DESC LIMIT 100;
| time | deviceId | temperature | pressure | status |
|---|---|---|---|---|
| 14:31:48.123 | PLC-101 | 56.7 | 1.21 | OK |
| 14:31:46.987 | PLC-102 | 48.1 | 1.08 | OK |
| 14:31:44.876 | SENSOR-77 | 42.8 | 1.14 | WARN |