Hi, > Also, please not that uuidv7(time+1us) and uuidv7(time) will have the same > internal timestamp, so despite time+1us > time, still second uuid will be > greater. > > Both invariants you proposed cannot be reasonably guaranteed. Upholding any > of them greatly reduces usability of UUID v7.
Again, personally I don't insist on the 1us precision [1]. Only the fact that timestamp from the far past generates UUID from the future bothers me. [1]: https://postgr.es/m/CAJ7c6TPCSprWwVNdOB%3D%3DpgKZPqO5q%3DHRgmU7zmYqz9Dz5ffVYw%40mail.gmail.com -- Best regards, Aleksander Alekseev
