uuid6-ietf-draft
typeid
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HTML | Go | |
- | Apache License 2.0 |
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uuid6-ietf-draft
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The UX of UUIDs
https://github.com/uuid6/uuid6-ietf-draft/issues/27
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This is very cool! I love this solution for ID’s what do you all think?
Why not UUIDv7?
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UUIDs Are Bad for Database Index Performance, enter UUID7!
What if a new UUID version could be designed that would take the randomness of UUID4 and combine it with a timestamp prefix? This would make the UUID increase overall, but not locally – due to the random postfix. The random part ensures uniqueness when a high generation rate is necessary and also makes the UUIDs hard to predict – it’s not possible to guess the previous, or next UUID. It’s fairly simple to devise a custom UUID scheme, but fortunately, there is a new Internet-Draft (at the time of writing) defining new pseudo-sequential UUID versions that aim to solve exactly this issue: draft-peabody-dispatch-new-uuid-format-04. The current state and progress can be viewed at IETF Datatracker.
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Understanding UUIDs, ULIDs and String Representations
Brad Peabody did the original -00 draft, which was discussed as an FYI at an IEFT meeting in March 2020. See [1], around 50 lines from the bottom.
Kyzer Davis has since submitted two further revisions -01 and -02 in April and October 2021. See history in [2].
The current -02 draft is due to expire in April 2022. Presumably Kyzer Davis will try to get it discussed before then.
The GitHub repo tracking these drafts is https://github.com/uuid6/uuid6-ietf-draft/.
[1] https://datatracker.ietf.org/meeting/107/materials/minutes-1...
[2] https://datatracker.ietf.org/doc/draft-peabody-dispatch-new-...
- UUID version 7. It's binary sortable and has many other advantages. Created specifically for modern distributed systems. IETF draft is published, they mid tweaking before publishing v3 draft.
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New UUID Formats – IETF Draft
At the moment anyway, that XML link won't render per an XML parsing error. For anyone who wants a quick look at what these XML docs look like here's one for UUID6 [0].
[0] https://github.com/uuid6/uuid6-ietf-draft/blob/master/draft-...
typeid
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ULIDs and Primary Keys
I’ve seen this sort of design referred to as “typed IDs”: https://github.com/jetify-com/typeid
Doesn’t use the crockford encoding, but does is another one that minimises confusables.
- Type-safe, K-sortable, globally unique identifier inspired by Stripe IDs
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The UX of UUIDs
https://github.com/uuid6/new-uuid-encoding-techniques-ietf-d...
But there is always TypeID in the meantime which uses UUIDv7 under the hood: https://github.com/jetify-com/typeid
Either way, I am in favor of prefixing and using alternative encodings, but it will need some time to figure out the best route. In the mean time, there are so many alternatives. TypeID, NanoID, ULID, etc. I even made my own quick one just for giggles: https://github.com/daegalus/snowflakes
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Adding type safety to object IDs in TypeScript
If you want a type-prefixed UUIDv7 type, I can wholeheartedly recommend TypeID-JS: https://github.com/jetpack-io/typeid-js
Also available for a whole bunch of other languages: https://github.com/jetpack-io/typeid
UUIDv7 is UUIDv4-compatible (i.e. you can put a v7 UUID anywhere a v4 UUID would go, like in Postgres's UUID datatype) and is time-series sortable, so you don't lose that nice lil' benefit of auto-incrementing IDs.
And if you use something like TypeORM to define your entities, you can use a Transformer to save as plain UUIDv7 in the DB (so you can use UUID datatypes, not strings), but deal with them as type-prefixed strings everywhere else:
```
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You Don't Need UUID
IMO, a good middleground is using schemes like TypeID[0], ulid[1], or KSUID[2] that provides a more compact and readable (base32) representation and provides better database locality (K-sortable).
[0] https://github.com/jetpack-io/typeid
- typeid: Type-safe, K-sortable, globally unique identifier inspired by Stripe IDs
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Why do so many EF tutorials use GUIDs as primary key?
If you do consider a GUID, I recommend the TypeID library we recently open-sourced. It has typing as part of the id, and it's based on UUIDv7. We think it has a few benefits over other GUIDs, including: + Easier to debug because of the type information + Type-safety can be enforced + Thanks to UUIDv7 is has good locality properties when used as the primary key of a database (unlike a completely random GUID) + We have a dotnet implementation in C# available
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How to create unique id for every todo in a todo list.
If you’re open to a globally unique identifier like UUID, I’d recommend you check out TypeIDs which we recently open sourced https://github.com/jetpack-io/typeid. They are based on the UUIDv7 standard, but add type information (like what Stripe does in their APIs), and we have a TypeScript implementation available.
What are some alternatives?
uuid7 - UUID version 7, which are time-sortable (following the Peabody RFC4122 draft)
rust-ksuid - A pure-Rust KSUID implementation
Ulid - Fast .NET C# Implementation of ULID for .NET and Unity.
typeid-ts - TypeID UUIDv7 implementation in Typescript (Lib and CLI)
spec - The canonical spec for ulid
typeid-go - Go implementation of TypeIDs: type-safe, K-sortable, and globally unique identifiers inspired by Stripe IDs
ulid-mssql - Implementation of ULID generator For Microsoft SQL Server
typeid-sql - SQL implementation TypeIDs: type-safe, K-sortable, and globally unique identifiers inspired by Stripe IDs
ksuid - K-Sortable Globally Unique IDs
uulid.go - ULID-UUID compatibility library for generating and parsing ULIDs.
snowid - A Decentralized, K-Ordered 128-bit Unique ID Generator library in C.