zeidon-joe
ksuid
| zeidon-joe | ksuid | |
|---|---|---|
| 2 | 38 | |
| 2 | 4,691 | |
| - | 1.0% | |
| 6.5 | 3.1 | |
| 2 months ago | 7 months ago | |
| Java | Go | |
| - | MIT License |
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zeidon-joe
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Exiting the Vietnam of Programming: Our Journey in Dropping the ORM (In Golang)
Shameless plug: I'm working with a small team on a data framework that replaces the ORM with an abstraction the eliminates the impedance mismatch. You can take a look at https://github.com/zeidon/zeidon-joe . I'd be happy to answer questions.
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Stop Using JPA/Hibernate
Shameless plug : for a little while now I've been working on a project with others to try a different approach. We use a higher level abstraction that does a better job of modeling the data than language-level objects. This eliminates the impedance mismatch. Because it's not language dependent you can use the same models (we call them "logical objects") with multiple languages.
The logical objects are hierarchical and serialize easily to JSON and back, making it simple to write REST interfaces. There are a couple of production teams making good use of it.
Github repo is here; feel free to contact me about it: https://github.com/zeidon/zeidon-joe
ksuid
- What happens after 100 years?
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Zero Downtime Postgres Upgrades
OP here - we avoid sequences in all but one part of our application due to a dependency. We use [KSUIDs][1] and UUID v4 in various places. This one "gotcha" applies to any sequence, so it's worth calling out as general advice when running a migration like this.
[1]: https://segment.com/blog/a-brief-history-of-the-uuid/
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Bye Sequence, Hello UUIDv7
UUID v4 isn't large enough to prevent collisions, that is why segment.io created https://github.com/segmentio/ksuid which is 160bit vs the 128bit of a UUIDv4.
- You Don't Need UUID
- A Brief History of the UUID
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Type-safe, K-sortable, globally unique identifier inspired by Stripe IDs
Assuming you don't need to use UUIDv7 (or any UUID's) then https://github.com/segmentio/ksuid provides a much bigger keyspace. You could just append a string prefix if you wanted to namespace, but the chance of collisions of a KSUID is many times smaller than a UUID of any version.
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Unexpected downsides of UUID keys in PostgreSQL
KSUID's are have temporal-lexicographical order plus 128 bits of entropy, which is more than UUIDv4.
https://github.com/segmentio/ksuid
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UUIDs are so much better than autoincrementing ids and it's not even close
That's why you use ksuid (https://segment.com/blog/a-brief-history-of-the-uuid/) or, if you're willing to go with a draft spec you could go with the new UUID formats https://www.ietf.org/archive/id/draft-ietf-uuidrev-rfc4122bi...
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What Happened to UUIDv2?
Interesting in more history of UUIDs? Twilio Segment's blog has an amazing history lesson about how they came to be.
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Which UUID package do you use? and why?
I use the ksuid from segment. https://github.com/segmentio/ksuid
What are some alternatives?
OrmLite - Core ORMLite functionality that provides a lite Java ORM in conjunction with ormlite-jdbc or ormlite-android
ulid - Universally Unique Lexicographically Sortable Identifier (ULID) in Python 3
ObjectiveSync - A thin Java object persistence layer for JDBC
pg-ulid - ULID Functions for PostgreSQL
drydock - Experiment in unit testing with PostgreSQL using Docker
nanoid - A tiny (124 bytes), secure, URL-friendly, unique string ID generator for JavaScript
FrameworkBenchmarks - Source for the TechEmpower Framework Benchmarks project
ulid-mssql - Implementation of ULID generator For Microsoft SQL Server
MikroORM - TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, MariaDB, MS SQL Server, PostgreSQL and SQLite/libSQL databases.
python-ksuid - A pure-Python KSUID implementation
Ebean ORM - Ebean ORM
uuid7 - UUID version 7, which are time-sortable (following the Peabody RFC4122 draft)