This is pretty much the same as your standard .NET EntityFramework entity you'd use. It's basically a class with the matching column names and types as theCREATE TABLEquery above. usingSystem.ComponentModel.DataAnnotations;usingSystem.ComponentModel.DataAnnotations.Schema;namespacenetcore_graphql_test{...
const usersWithOrders = await db.users.findAll({ include: [{ model: db.orders, where: { status: 'completed' } }] }); 4. 缓存策略 对于不经常变化的数据,可以使用缓存来减少数据库查询。 代码语言:txt 复制 const NodeCache = require('node-cache'); const cache = new NodeCache(); const...
query withFragments{user(id:4){friends(first:10){...friendFields}mutualFriends(first:10){...friendFields}}}fragment friendFields on User{id nameprofilePic(size:50)} 使用片段时需要加上 ... 操作符表示展开片段内容,这称为片段扩展运算符(fragment spread),它可以用在任何选择集(selection set)中,...
使用Hasura 的 Azure SQL 上的即时实时 GraphQL |公开的数据 替换为 Marisa Brasile, Anna Hoffman, Abby Sassel, Rajoshi Ghosh, Silvano Coriani Data Exposed 2022年4月1日 在此公开的数据集中,我们将演示如何将现有 SQL Server 数据库连接到 Hasura、创建新表或跟踪现有表以在 GraphQL 架构中公开...
info(`Fetching user with id: ${id}`); const user = await dataSources.usersAPI.getUserById(id); logger.info(`User fetched: ${JSON.stringify(user)}`); return user; } } }; 使用IDE和调试器 使用集成开发环境(IDE)和调试器可以让你逐步执行代码,观察变量状态,从而更深入地理解问题所在。大...
annotation for custom GraphQLErrorsexception-handlers-enabled:truecontextSetting:PER_REQUEST_WITH_...
This is the first of a series of articles that will walk you through the process of creating a full-stack web application using Angular, .NET, and GraphQL with the SQL server as a database. We will create a MovieApp project. The app will display a list of movies and their details, ...
Blazing fast, instant realtime GraphQL APIs on all your data with fine grained access control, also trigger webhooks on database events. api graphql bigquery postgres haskell sql-server mongodb rest-api graphql-server access-control hasura graphql-api subgraph automatic-api supergraph Updated ...
GraphQL是Facebook开源的API查询语言,类似于数据库中的SQL。 GraphQL本质上是一种基于api的查询语言,现在大多数应用程序都需要从服务器中获取数据,这些数据存储可能存储在数据库中,API是提供与应用程序需求相匹配的存储数据的接口。 有的人经常把GraphQL和数据库技术相混淆,这是一个误解,GraphQL是api的查询语言,而...
publicclassCustomErrorFilter:IErrorFilter{publicIErrorOnError(IErrorerror,IExecutionContextcontext){returnerror.WithMessage("An unexpected error occurred.");}} 1. 2. 3. 4. 5. 6. 7. 总结 GraphQL 作为一种强大的 API 查询语言,带来了许多便利,但也伴随着新的安全挑战。通过合理的设计和实施,我们可...