Created
May 8, 2023 21:27
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Version 1 UUID to Timestamp in CockroachDB or PostgreSQL
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WITH u (u) AS (VALUES ('4d1e53e2-a182-11ed-a4bf-3f161938a1c4'::UUID::BYTES)) | |
SELECT to_timestamp( | |
( | |
( | |
get_byte(u, 0) << 24 | |
| get_byte(u, 1) << 16 | |
| get_byte(u, 2) << 8 | |
| get_byte(u, 3) << 0 | |
| get_byte(u, 4) << 40 | |
| get_byte(u, 5) << 32 | |
| (get_byte(u, 6) & 0xF) << 56 | |
| get_byte(u, 7) << 48 | |
) | |
- 0x01B21DD213814000 | |
)::FLOAT8 | |
/ 10000000.0 | |
) | |
FROM u; | |
to_timestamp | |
--------------------------------- | |
2023-01-31 16:14:13.000701+00 |
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