postgrex
ecto
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| postgrex | ecto | |
|---|---|---|
| 3 | 14 | |
| 1,049 | 5,994 | |
| 1.0% | 0.8% | |
| 6.3 | 9.1 | |
| 9 days ago | 15 days ago | |
| Elixir | Elixir | |
| Apache License 2.0 | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
postgrex
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Elixir clustering using Postgres
Now we can replicate the same behavior in Elixir and Postgrex within IEx (Elixir's interactive shell).
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TIL: Non standard postgres types in livebook
But I found a problem when the data type is not supported by postgrex. In this case, you can either have to write a custom postgrex extension like the example here. In postgrex GitHub repo, there are many examples for common data types, but XML is missing there.
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Realtime: Multiplayer Edition
It sounds like Supabase is pulling out the WAL listening bits into its own library?
https://supabase.com/blog/supabase-realtime-multiplayer-gene...
If so, y'all might want to look into: https://github.com/elixir-ecto/postgrex/blob/master/lib/post...
ecto
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Idempotent seeds in Elixir
To ruin the party, deterministic UUID generation is exactly what UUID v5 is designed for. And since Ecto does not validate UUIDs against their specs, you might as well use uuid again and do:
- Ecto: A toolkit for data mapping and language integrated query
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Sketch of a Post-ORM
To me this looks a lot like ecto https://github.com/elixir-ecto/ecto
Is there a significant difference?
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Dependency inversion on Elixir using Ports and Adapters design pattern
Ecto database driver use-case
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Do I need to use Elixir from Go perspective?
When it comes to building microservices, Go has the advantage of being easier to deploy and tighter integration with gRPC. On the other hand, Elixir will provide a more expressive layer to communicate with the database through Ecto.
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Ask HN: Is my software stack choice sound?
May I ask why CouchDB though? Is it for the offline support?
Phoenix comes with its own database tool called Ecto[0] which is excellent, and it uses Postgres by default. If you're not intended to leverage CouchDB for offline support you should go Postgres without a second thought.
That said, I'm also curious about how to implement offline support with Phoenix in a nice and trivial way.
[0] https://github.com/elixir-ecto/ecto
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Do it to learn Elixir
The best would be to set aside at least 40 minutes of study a day. Being 20 minutes focused on the core of the language, solving problems and a website that can help you a lot and exercism. Another 20 minutes some of the core frameworks like: Phoenix, Ecto, Enum
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Using CQRS in a simple Phoenix API with Commanded
This is a testiment to the value and productivity of Phoenix, but the resulting code is just basic CRUD. The views are tied 1:1 with their database-backed Ecto schemas. One thing to note is that Phoenix generates DDD-style contexts. This is unlike Rails, which would produce a typical ActiveRecord sprawl: bloated models directly being accessed and lazily queried across the entire application.
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How to Use Macros in Elixir
Ecto uses prewalk to count the number of interpolations within a given expression.
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Dynamic Queries in Ecto (Elixir Lang)
I've used my share of data access libraries and patterns (e.g. hibernate, activerecord, ecto, ...). The only time I've been happy is when I use raw SQL for non-dynamic SQL and a lightweight query builder for everything else.
I feel like I always run into some thing that at best isn't intuitive to express/read and at worse, cannot be expressed. If I remember correctly, when I was learning Elixir/Ecto, https://github.com/elixir-ecto/ecto/issues/1616 issue and the lack of lateral join support caused me issues.
Want to create a user?
"insert into users (id, name, status) values ($1, $2, $3)"
Our query builder takes pretty raw SQL fragments:
q = Query.new()
What are some alternatives?
eventstore - Event store using PostgreSQL for persistence
moebius - A functional query tool for Elixir
mariaex - Pure Elixir database driver for MariaDB / MySQL
amnesia - Mnesia wrapper for Elixir.
mongodb_ecto - MongoDB adapter for Ecto
couchdb_connector - A couchdb connector for Elixir
datomex - Elixir driver for the Datomic REST API
riak - A Riak client written in Elixir.
ecto_psql_extras - Ecto PostgreSQL database performance insights. Locks, index usage, buffer cache hit ratios, vacuum stats and more.
shards - Partitioned ETS tables for Erlang and Elixir