Diesel gets rid of the boilerplate for database interaction and eliminates runtime errors without sacrificing performance. It takes full advantage of Rust's type system to create a low overhead query builder that "feels like Rust."Supported databases:...
use deadpool_diesel::{Manager, Pool}; #[tokio::main] async fn main() -> Result<(), Box<dyn std::error::Error>> { let manager = Manager::new("postgres://username:password@localhost/diesel_demo"); let pool = Pool::builder(manager).max_size(16).build()?; let conn = pool.get(...
diesel_test_helper Better implementation using sqlite-wasm-rs 3个月前 diesel_tests Bump sqlite-wasm-rs to 0.3.4 12天前 docker fix syntax errors in the docker-compose mysql initialization 6年前 dsl_auto_type Bump rustversion to 1.83 and fix new clippy lints ...
因为令人敬畏的Diesel 项目已经支持 PostgreSQL,并且为它提供了一个安全、可拓展的对象关系映射(ORM)和查询构建器(query builder)。这很棒,因为 actix-web 已经支持了 Diesel。这样的话,就可以自定义惯用的 Rust 域特定语言来创建、读取、更新或者删除(CRUD)数据库中的会话,如下所示: impl Handler<UpdateSession>for...
; diesel::insert_into(posts) .values(&new_post) .execute(conn) }) 3.4 异步操作 使用diesel-async来支持异步操作,提高并发性能: use diesel_async::{AsyncPgConnection, RunQueryDsl}; async fn get_user(conn: &mut AsyncPgConnection, user_id: i32) -> QueryResult<User> { users.find(user_id)....
pub fn hard_delete(&self) -> DeleteStatement<dataitems::table, query_builder::where_clause::WhereClause<diesel::dsl::Eq<dataitems::id, Uuid>>> { diesel::delete(dataitems::table).filter(dataitems::id.eq(self.id)) } } hard_delete()的返回类型让我头疼,因为where_clause模块是私有的。
Diesel是Rustlang的ORM和Query Builder,这是他们自己的CLI工具。我在我首选的终端环境(高山Linux)中实际执行该工具时遇到了一些问题,错误是:/bin/sh: diesel: not found。正如您从下面的Dockefile中看到的,最新的Rust Docker镜像用于安装该工具和检索可执行文件 浏览0提问于2019-08-11得票数 0...
11. Diesel提供了强大的查询构建器(query builder)来自动生成SQL查询语句。但有时候,我们可能需要进行更复杂的查询,或者执行一些特定的SQL操作。在这种情况下,我们可以使用sql_query方法来执行自定义查询。 以下是一个示例,用于执行自定义的查询,并返回结果: usediesel::sql_query; ...
query stack during panic: #0 [type_op_prove_predicate] evaluating `type_op_prove_predicate` `ProvePredicate { predicate: Binder { value: TraitPredicate(<diesel::query_builder::update_statement::UpdateStatement<db_schema::schema::ob_configuration::table, diesel::query_builder::where_clause::Where...
Brendonovich/prisma-client-rust - An autogenerated query builder that provides simple and fully type-safe database access using the Prisma ecosystem. diesel-rs/diesel - an ORM and Query builder ivanceras/rustorm - an ORM mjovanc/njord - ⛵ A lightweight ORM library for Rust rbatis/rbat...