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Otter ( otter@lemmy.ca )  to Programming@programming.devEnglish · 2 years ago

8 versions of UUID and when to use them

www.ntietz.com

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8 versions of UUID and when to use them

www.ntietz.com

Otter ( otter@lemmy.ca )  to Programming@programming.devEnglish · 2 years ago
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TIL: 8 versions of UUID and when to use them | nicole@web
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  • thanks_shakey_snake ( thanks_shakey_snake@lemmy.ca ) 
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    2 years ago

    They should make the versions UUIDs instead of integers so that we don’t make assumptions about their ordinal relationships.

    • kibiz0r ( kibiz0r@midwest.social ) 
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      2 years ago

      Or maybe an abbreviated hash of the text of their specifications?

    • RonSijm ( RonSijm@programming.dev ) 
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      2 years ago

      Yea, should have been V-00000000-0000-0000-0000-000000000008 instead

      • .:\dGh/:. ( darkghosthunter@lemmy.ml ) 
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        2 years ago

        Yes and no. They had to put the version identifier somewhere to avoid sorting problems or parsing problems, so I think that putting somewhat in the middle is a good tradeoff.

  • Zikeji ( Zikeji@programming.dev ) 
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    2 years ago

    Reject UUID embrace ULID.

    • Gamma ( GammaGames@beehaw.org ) 
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      2 years ago

      Interesting 👀 https://github.com/ulid/spec

    • 𝙲𝚑𝚊𝚒𝚛𝚖𝚊𝚗 𝙼𝚎𝚘𝚠 ( ChairmanMeow@programming.dev ) 
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      2 years ago

      At the company I work at we use UUIDv7 but base63 encoded I believe. This gives you fairly short ids (16 chars iirc, it includes lowercase letters) that are also sortable.

      • RonSijm ( RonSijm@programming.dev ) 
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        2 years ago

        base63? I’d guess you’d mean base64?

        Anyways, doesn’t that fuck with performance?

        I’m using this in production: RT.Comb - That still generates GUIDs, but generates them sequential over time. Gives you both the benefits of sequential ids, and also the benefits of sequential keys. I haven’t had any issues or collisions with that

        • 𝙲𝚑𝚊𝚒𝚛𝚖𝚊𝚗 𝙼𝚎𝚘𝚠 ( ChairmanMeow@programming.dev ) 
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          2 years ago

          It’s Base62 actually, misremembered that. It’s to avoid some special characters iirc. And no, performance is fine.

          We’re using this: https://github.com/TheArchitectDev/Architect.Identities

    • bitfucker ( bitfucker@programming.dev ) 
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      2 years ago

      I prefer CUID

      Just to clarify: Yes, I do know not all use cases are appropriate for CUID. But in general when generating ID, I’d use CUID2

  • abbadon420 ( abbadon420@lemm.ee ) 
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    2 years ago

    I didn’t even know it was an ietf standard. Let aline there were versions. Apparently it’s only since may this year that there are 8 versions. Before it were only 5.

  • icerunner_origin ( icerunner_origin@startrek.website ) 
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    2 years ago

    There is an IETF standard for UUIDs? Do we need an IETF standard for UUIDs? I’ve been coding since the '90s and never thought a UUID to be complicated or contentious enough to need a standard. I guess it makes for a pretty unique icebreaker to say you’ve contributed to an IETF standard, if you get invited to those sort of parties.

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