graphile-engine
Slick
graphile-engine | Slick | |
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6 | 17 | |
753 | 2,638 | |
0.1% | 0.0% | |
5.8 | 8.7 | |
19 days ago | 7 days ago | |
JavaScript | Scala | |
- | BSD 2-clause "Simplified" License |
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graphile-engine
- Sketch of a Post-ORM
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Business Logic Inside Database - How Evil Is It?
But it doesn’t have to work this way. Some modern databases support a feature called "row-level security". It allows you to define access control policies at the row level based on the current user’s attributes (id, role, group membership, etc.). As long as the application can securely pass the current user’s identity to the database, it can leave all authorization checking to the database. And since the rules are defined at the table level instead of the API level, it has a much smaller surface to protect. The "row-level security" feature is the foundation of products like PostgREST, PostGraphile, and Supabase.
- PostgREST – Serve a RESTful API from Any Postgres Database
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You may not need an SQL query builder or ORM
I really love the way pg-sql2 is going about that.
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Ask HN: Solo Dev Stack of 2022?
I've been enjoying developing on top of PostGraphile. https://www.graphile.org/
Good starter: https://github.com/graphile/starter
I can add a column the the db, and my frontend gets that autimagically (in dev mode, it generates a graphql schema out of the db, and from that it creates composables for my frontend wiht graphql-codegen). On the frontend I use Vue 3, the starter is build with nextjs/react.
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Best resource to learn PL/pgSQL?
I don't much direct knowledge on the internals, but here's a snippet from the graphile-engine repo README:
Slick
- How many people/companies are fully on Scala 3?
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First Slick prerelease for Scala 3!
Made a PR on slick to document this https://github.com/slick/slick/pull/2760 (workaround is quite easy, you can just define def tupled = (apply _).tupled in the companion object of the case class and it will also compile for all Scala versions).
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Sketch of a Post-ORM
The Scala ecosystem has a few ways to do composable type-safe query building, e.g. Slick[0] or more recently Quill[1]. . I believe both also have ways to do compile-time string interpolation (e.g. sql"""select * from users where id = ${user.id}""") which generate prepared statements (I know Slick does prepared statements. Quill has similar macros but I haven't looked into how safe they are to use).
[0] https://scala-slick.org/
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Slick 3.5.0-M3 has been released
Release notes at https://github.com/slick/slick/releases/tag/v3.5.0-M3
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Database abstraction library which allows a clean domain model
With all this in mind, I landed at the first candidate: slick from https://scala-slick.org/ that you all probably know.
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Scala 3 migration: 7 benefits that outweigh the risks
I think Slick's current priority is also getting in Scala 3 support: https://github.com/slick/slick/issues/2177
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Slick 3.4.x is here!
Future releases might not be announced here. To get notified, go to https://github.com/slick/slick, click the Watch dropdown button at the top, select Custom, check Releases, and click Apply.
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Is there any good resource for learning Slick (3.x)?
https://github.com/slick/slick/pull/2097 now I use slightly lower version of slick so this might be an upgrade that resolves (I do recall using it in 21 and it was still buggy and I filed a ticket, which I cannot find at the moment), but given a complex enough query (we have one in PROD which has tons of flexibility in terms of filters that can be passed in) but it also makes for complex code.
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Slick 3.4.0 is imminent
I started writing a reply but then I realized it would be long and depends on exactly what you mean, so maybe it's better to post the question in https://github.com/slick/slick/discussions/categories/questions?
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Scala: A Love Story
I purchased the very entertaining book Seven Languages in Seven Weeks. Although I found Haskell fascinating and tempting, I knew it was unrealistic to introduce it in our company. Scala on the other hand looked like it could be the holy grail: All the characteristics I was looking for, no need to abandon the JVM and its cornucopia of tools and libraries, and the possibility for coexistence with Java and therefore incremental adoption. After implementing some simple programs to identify any immediate risks of committing to the language and its ecosystem, I started to introduce Scala in customer projects. Luckily, I was fortunate enough to work with open-minded, curious, and ambitious team members who were also experienced enough to appreciate the benefits of the language. We immediately applied our experience with functional programming, and embraced immutability. Libraries like Slick and Akka HTTP (we actually started out with its predecessor, Spray) made building database-backed REST services a breeze. And the resulting code was robust and highly maintainable. Scala's expressive type system and type inference made it easy to build a restrictive, consistent domain model without bloating the code. There was virtually no overhead. Any boilerplate could be easily abstracted out. In the end, the application code felt natural, concise and elegant. Programming was fun again.
What are some alternatives?
starter - Opinionated SaaS quick-start with pre-built user account and organization system for full-stack application development in React, Node.js, GraphQL and PostgreSQL. Powered by PostGraphile, TypeScript, Apollo Client, Graphile Worker, Graphile Migrate, GraphQL Code Generator, Ant Design and Next.js
doobie - Functional JDBC layer for Scala.
pgsql-http - HTTP client for PostgreSQL, retrieve a web page from inside the database.
Quill - Compile-time Language Integrated Queries for Scala
annuaire-entreprises-sirene-api
ScalikeJDBC - A tidy SQL-based DB access library for Scala developers. This library naturally wraps JDBC APIs and provides you easy-to-use APIs.
postgrest-starter-kit - Starter Kit and tooling for authoring REST API backends with PostgREST
Squeryl - A Scala DSL for talking with databases with minimum verbosity and maximum type safety
sqlc - Generate type-safe code from SQL
Clickhouse-scala-client - Clickhouse Scala Client with Reactive Streams support
datasette - An open source multi-tool for exploring and publishing data
Sorm - A functional boilerplate-free Scala ORM