fix: use dbtime in dbmem query to fix flake
#34464
| Job | Run time |
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| 12s | |
| 4m 26s | |
| 2m 4s | |
| 40s | |
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| 2m 11s | |
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| 3m 47s | |
| 6m 19s | |
| 3m 49s | |
| 40s | |
| 7m 30s | |
| 6m 47s | |
| 8m 13s | |
| 7m 8s | |
| 4m 40s | |
| 10m 50s | |
| 7m 22s | |
| 8m 45s | |
| 0s | |
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| 8s | |
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| 1h 25m 31s |