graphql-spec
dataloader
graphql-spec | dataloader | |
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37 | 47 | |
14,226 | 12,635 | |
0.2% | 0.2% | |
5.8 | 3.1 | |
25 days ago | about 1 month ago | |
Shell | JavaScript | |
- | MIT License |
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graphql-spec
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Show HN: REST Alternative to GraphQL and tRPC
GraphQL's first draft release was 8 years ago. [1]
It's first non-draft release was 5 years ago. [2]
It's first release under a community foundation was 2 years ago. [3]
[1] https://spec.graphql.org/July2015/
[2] https://github.com/graphql/graphql-spec/releases/tag/June201...
[3] https://github.com/graphql/graphql-spec/releases/tag/October...
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Intro to PostGraphile V5 (Part 3): Introspection and Abstraction
I'm a big believer in GraphQL (in fact, at time of writing I'm #2 contributor to the GraphQL spec itself) so it pains me that a tool I built doesn't always have easy ways to achieve the "versionless schema" design that GraphQL encourages when it comes to making significant breaking changes to your underlying database tables. (Personally, I think you should aim for your database schema itself to be versionless, but this is not always possible.) Of course you can build your PostGraphile schema over views instead of tables, but views have their own problems that I won't go into here…
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Migrating Netflix to GraphQL Safely
I created a proposal for Map type but didn’t make it through.
https://github.com/graphql/graphql-spec/pull/888
The issue with GraphQL is it tries to appease too many masters.
Similar to jsx. The language isn’t evolving.
The good thing is the spec is (almost) frozen, so there’s many implementations, the bad is it can encompass the flexibility of json schema can do.
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GraphQL Live Queries with live directive
Longer thread - Subscriptions RFC: Are Subscriptions and Live Queries the same thing?
https://github.com/graphql/graphql-spec/issues/284
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Ask HN: Tutorials Written with Heavy Dependencies
You’ve probably figured it out by now, but for others who may be in a similar position; GraphQL is a specification (with various implementations) and you can read up on the spec here: https://spec.graphql.org/
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GraphQL object schemas - how to represent (and query?) Graph (hierarchical objects) in GraphQL?
If you're asking whether GraphQL supports anonymous objects that can be arbitrarily nested then no, it doesn't.
- Union for an input to a mutation arg
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Thanks graphql, I hate it.
show this feature request some love https://github.com/graphql/graphql-spec/issues/174
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Deprecation Notice: GraphQL for Packages
* Performance: It's just hard to track down what makes an operation slow. The waterfall nature of resolvers is a big contributor
[1] https://github.com/graphql/graphql-spec/issues/488
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GraphQL error handling to the max with Typescript, codegen and fp-ts
:::note GraphQL Union is available for Types only, not for Inputs. However, the oneOf directive will bridge the gap in the future.
dataloader
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Delving into the Black Magic of GraphQL DataLoader! 🌌✨
When I began working with GraphQL, I had concerns about the N+1 query problem. In my research, I came across the DataLoader pattern and its implementation on GitHub. While I explored various examples of its usage, I still struggled to grasp how it operates internally. Join me in delving a bit deeper into GraphQL DataLoader! :)
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How to use DataLoader with Mercurius GraphQL
DataLoader: it is the standard solution to N+1 problem.
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Best Practices in Testing GraphQL APIs
Additionally, you can use DataLoader or similar tools to optimize data fetching and avoid over-fetching or under-fetching data. Ultimately, performance and load tests ensure that your GraphQL API delivers optimal performance, meets response time expectations, and provides a smooth experience for users, even under heavy loads.
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Migrating Netflix to GraphQL Safely
The most common practice is to turn N+1 into 1+1 using dataloaders (https://github.com/graphql/dataloader for JS, there are equivalents for most implementations). The N resolvers invoke a single batched loader which receives a list of keys and returns a list of values.
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SQL vs. NoSQL - cutting through the Tech Twitter noise
Let's take Payload, for example. Surprise, surprise. We have a relationship field, and it can store IDs to other related documents which are seamlessly merged in when you retrieve documents from the DB. We leverage the dataloader pattern to batch together all "populations" required for a given query, returning them all super fast and with as few separate queries to the DB as possible. We actually even outperform SQL-based frameworks quite a bit. In a purely relational test, we were 3x faster than Directus and 7x faster than Strapi while both were running Postgres, and we were on MongoDB.
- NoSQL vs. SQL - cutting through the Tech Twitter noise with a real-world use case
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We Ditched REST and Went with GraphQL: Here’s Why
Also, have a look at Facebook's Dataloader[0].
[0] https://github.com/graphql/dataloader
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Implementing logger with metadata
In the next article, I'm going to implement a GraphQL server with dataloader using the tools we introduced.
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Typesafe, (almost) Zero Cost Dependency Injection in TypeScript
The one example of using Scoped dependency that comes to my mind, it's HTTP request level caching for libs like dataloader.
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GraphQL Trades Complexity
you would fetch these 1000 rows via dataloader that batches all requests for this relation to a single query... solving the n+1 issue
What are some alternatives?
apollo-server - 🌍 Spec-compliant and production ready JavaScript GraphQL server that lets you develop in a schema-first way. Built for Express, Connect, Hapi, Koa, and more.
Redis - Redis is an in-memory database that persists on disk. The data model is key-value, but many different kind of values are supported: Strings, Lists, Sets, Sorted Sets, Hashes, Streams, HyperLogLogs, Bitmaps.
Hasura - Blazing fast, instant realtime GraphQL APIs on your DB with fine grained access control, also trigger webhooks on database events.
react-relay - Relay is a JavaScript framework for building data-driven React applications.
graphql-ws - Coherent, zero-dependency, lazy, simple, GraphQL over WebSocket Protocol compliant server and client.
Knex - A query builder for PostgreSQL, MySQL, CockroachDB, SQL Server, SQLite3 and Oracle, designed to be flexible, portable, and fun to use.
Neo4j - Graphs for Everyone
jest - Delightful JavaScript Testing.
graphql-shield - 🛡 A GraphQL tool to ease the creation of permission layer.
Sequelize - Feature-rich ORM for modern Node.js and TypeScript, it supports PostgreSQL (with JSON and JSONB support), MySQL, MariaDB, SQLite, MS SQL Server, Snowflake, Oracle DB (v6), DB2 and DB2 for IBM i.
gRPC - The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)