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A highly performant ORM framework written in Rust, inspired by Mybatis and MybatisPlus.

Dynamic SQL, no runtime, no Garbage Collector, and low memory use.

Supports async_std, tokio

This crate uses #![forbid(unsafe_code)] to ensure everything is implemented in 100% safe Rust.

30% faster than golang's mybatis!

Why not diesel or not sqlx ?

Performance comparison with Golang (in a docker environment)

• used json with serde_json for passing parameters and communication
• high performance, single threaded benchmark can easily achieve 200,000 QPS - data returned from database directly (zero lookup time) on a Windows 10 6 core i7 with 16 GB memory machine. Performace will be better using multiple threads, and it outperforms Go's GoMyBatis.
• supports logical deletes, pagination, py-like SQL and basic Mybatis functionalities.
• supports future,(in theory, if all io operations are replaced with async_std/tokio, it could achieve higher concurrency than Go-lang)
• supports logging, customizable logging based on log crate
• used 100% safe Rust with #![forbid(unsafe_code)] enabled
• rbatis/example (import into Clion!)
• website back end example(import into Clion!)

Example Rust backend service https://github.com/rbatis/abs_admin

Example Cargo.toml

# add this library,and cargo install

# json (required)
serde = { version = "1", features = ["derive"] }
serde_json = "1"

# Date time (required)
chrono = { version = "0.4", features = ["serde"] }

# logging (required)
log = "0.4"
fast_log="1.3"

# BigDecimal (optional)
bigdecimal = "0.2"

# rbatis, must maintain the same versions (required)
rbatis =  { version = "1.8" } 
rbatis-macro-driver = { version = "1.8" }

Quick example: QueryWrapper and common usages (see example/crud_test.rs for details)

#[macro_use]
extern crate rbatis_macro_driver;
/// may also write `CRUDEnable` as `impl CRUDEnable for BizActivity{}`
/// #[crud_enable( table_name:biz_activity)]
/// #[crud_enable(id_name:"id"|id_type:"String"|table_name:"biz_activity"|table_columns:"id,name,version,delete_flag"|formats_pg:"id:{}::uuid")]
#[crud_enable]
#[derive(Clone, Debug)]
pub struct BizActivity {
    pub id: Option<String>,
    pub name: Option<String>,
    pub pc_link: Option<String>,
    pub h5_link: Option<String>,
    pub pc_banner_img: Option<String>,
    pub h5_banner_img: Option<String>,
    pub sort: Option<String>,
    pub status: Option<i32>,
    pub remark: Option<String>,
    pub create_time: Option<NaiveDateTime>,
    pub version: Option<i32>,
    pub delete_flag: Option<i32>,
}

// (optional) manually implement instead of using `derive(CRUDEnable)`. This allows manually rewriting `table_name()` function and supports  code completion in IDE.
//impl CRUDEnable for BizActivity {
//    type IdType = String;    
//    fn table_name()->String{
//        "biz_activity".to_string()
//    }
//    fn table_columns()->String{
//        "id,name,delete_flag".to_string()
//    }
//}

#[actix_rt::main]
async fn main() {
/// initialize rbatis. May use `lazy_static` to define rbatis as a global variable because rbatis is thread safe
let rb = Rbatis::new();
/// connect to database  
rb.link("mysql://root:123456@localhost:3306/test").await.unwrap();
/// customize connection pool parameters (optional)
// let mut opt =PoolOptions::new();
// opt.max_size=100;
// rb.link_opt("mysql://root:123456@localhost:3306/test",&opt).await.unwrap();
/// newly constructed wrapper sql logic
let wrapper = rb.new_wrapper()
            .eq("id", 1)                    //sql:  id = 1
            .and()                          //sql:  and 
            .ne("id", 1)                    //sql:  id <> 1
            .in_array("id", &[1, 2, 3])     //sql:  id in (1,2,3)
            .not_in("id", &[1, 2, 3])       //sql:  id not in (1,2,3)
            .like("name", 1)                //sql:  name like 1
            .or()                           //sql:  or
            .not_like("name", "asdf")       //sql:  name not like 'asdf'
            .between("create_time", "2020-01-01 00:00:00", "2020-12-12 00:00:00")//sql:  create_time between '2020-01-01 00:00:00' and '2020-01-01 00:00:00'
            .group_by(&["id"])              //sql:  group by id
            .order_by(true, &["id", "name"])//sql:  group by id,name
            .check().unwrap();

let activity = BizActivity {
                id: Some("12312".to_string()),
                name: None,
                remark: None,
                create_time: Some(NaiveDateTime::now()),
                version: Some(1),
                delete_flag: Some(1),
            };
/// saving
rb.save("",&activity).await;
//Exec ==> INSERT INTO biz_activity (create_time,delete_flag,h5_banner_img,h5_link,id,name,pc_banner_img,pc_link,remark,sort,status,version) VALUES ( ? , ? , ? , ? , ? , ? , ? , ? , ? , ? , ? , ? )

/// batch saving
rb.save_batch("", &vec![activity]).await;
//Exec ==> INSERT INTO biz_activity (create_time,delete_flag,h5_banner_img,h5_link,id,name,pc_banner_img,pc_link,remark,sort,status,version) VALUES ( ? , ? , ? , ? , ? , ? , ? , ? , ? , ? , ? , ? ),( ? , ? , ? , ? , ? , ? , ? , ? , ? , ? , ? , ? )

/// The query, Option wrapper, is None if the data is not found
let result: Option<BizActivity> = rb.fetch_by_id("", &"1".to_string()).await.unwrap();
//Query ==> SELECT create_time,delete_flag,h5_banner_img,h5_link,id,name,pc_banner_img,pc_link,remark,sort,status,version  FROM biz_activity WHERE delete_flag = 1  AND id =  ? 

/// query all
let result: Vec<BizActivity> = rb.list("").await.unwrap();
//Query ==> SELECT create_time,delete_flag,h5_banner_img,h5_link,id,name,pc_banner_img,pc_link,remark,sort,status,version  FROM biz_activity WHERE delete_flag = 1

///query by id vec
let result: Vec<BizActivity> = rb.list_by_ids("",&["1".to_string()]).await.unwrap();
//Query ==> SELECT create_time,delete_flag,h5_banner_img,h5_link,id,name,pc_banner_img,pc_link,remark,sort,status,version  FROM biz_activity WHERE delete_flag = 1  AND id IN  (?) 

///query by wrapper
let w = rb.new_wrapper().eq("id", "1").check().unwrap();
let r: Result<Option<BizActivity>, Error> = rb.fetch_by_wrapper("", &w).await;
//Query ==> SELECT  create_time,delete_flag,h5_banner_img,h5_link,id,name,pc_banner_img,pc_link,remark,sort,status,version  FROM biz_activity WHERE delete_flag = 1  AND id =  ? 

///delete
rb.remove_by_id::<BizActivity>("", &"1".to_string()).await;
//Exec ==> UPDATE biz_activity SET delete_flag = 0 WHERE id = 1

///delete batch
rb.remove_batch_by_id::<BizActivity>("", &["1".to_string(), "2".to_string()]).await;
//Exec ==> UPDATE biz_activity SET delete_flag = 0 WHERE id IN (  ?  ,  ?  ) 

///update
let w = rb.new_wrapper().eq("id", "12312").check().unwrap();
rb.update_by_wrapper("", &activity, &w).await;
//Exec ==> UPDATE biz_activity SET  create_time =  ? , delete_flag =  ? , status =  ? , version =  ?  WHERE id =  ? 
}

///...more usage,see crud.rs

macros (new addition)

    lazy_static! {
     static ref RB:Rbatis=Rbatis::new();
   }

    /// Macro generates execution logic based on method definition, similar to @select dynamic SQL of Java/Mybatis
    /// RB is the name referenced locally by Rbatis, for example DAO ::RB, com:: XXX ::RB... Can be
    /// The second parameter is the standard driver SQL. Note that the corresponding database parameter mysql is? , pg is $1...
    /// macro auto edit method to  'pub async fn select(name: &str) -> rbatis::core::Result<BizActivity> {}'
    ///
    #[sql(RB, "select * from biz_activity where id = ?")]
    async fn select(name: &str) -> BizActivity {}
    //or： pub async fn select(name: &str) -> rbatis::core::Result<BizActivity> {}

    #[async_std::test]
    pub async fn test_macro() {
        fast_log::init_log("requests.log", 1000, log::Level::Info, None, true);
        RB.link("mysql://root:123456@localhost:3306/test").await.unwrap();
        let a = select("1").await.unwrap();
        println!("{:?}", a);
    }

    lazy_static! {
     static ref RB:Rbatis=Rbatis::new();
   }

    #[py_sql(RB, "select * from biz_activity where id = #{name}
                  if name != '':
                    and name=#{name}")]
    async fn py_select(name: &str) -> Option<BizActivity> {}
    //or： pub async fn select(name: &str) -> rbatis::core::Result<BizActivity> {}

    #[async_std::test]
    pub async fn test_macro_py_select() {
        fast_log::init_log("requests.log", 1000, log::Level::Info, None, true);
        RB.link("mysql://root:123456@localhost:3306/test").await.unwrap();
        let a = py_select("1").await.unwrap();
        println!("{:?}", a);
    }

How to use logical deletes plugin (works for fetching or removing functions provided by rbatis，e.g. list**(),remove**()，fetch**())

   let mut rb = init_rbatis().await;
   //rb.logic_plugin = Some(Box::new(RbatisLogicDeletePlugin::new_opt("delete_flag",1,0)));//Customize deleted/undeleted writing
   rb.logic_plugin = Some(Box::new(RbatisLogicDeletePlugin::new("delete_flag")));
   rb.link("mysql://root:123456@localhost:3306/test").await.unwrap();
           let r = rb.remove_batch_by_id::<BizActivity>("", &["1".to_string(), "2".to_string()]).await;
           if r.is_err() {
               println!("{}", r.err().unwrap().to_string());
   }

How to use pagination plugin

        let mut rb = Rbatis::new();
        rb.link("mysql://root:123456@localhost:3306/test").await.unwrap();
        //框架默认RbatisPagePlugin，如果需要自定义的话需要结构体 必须实现impl PagePlugin for Plugin***{}，例如：
        //rb.page_plugin = Box::new(RbatisPagePlugin {});

        let req = PageRequest::new(1, 20);
        let wraper= rb.new_wrapper()
                    .eq("delete_flag",1)
                    .check()
                    .unwrap();
        let data: Page<BizActivity> = rb.fetch_page_by_wrapper("", &wraper,  &req).await.unwrap();
        println!("{}", serde_json::to_string(&data).unwrap());

//2020-07-10T21:28:40.036506700+08:00 INFO rbatis::rbatis - [rbatis] Query ==> SELECT count(1) FROM biz_activity  WHERE delete_flag =  ? LIMIT 0,20
//2020-07-10T21:28:40.040505200+08:00 INFO rbatis::rbatis - [rbatis] Args  ==> [1]
//2020-07-10T21:28:40.073506+08:00 INFO rbatis::rbatis - [rbatis] Total <== 1
//2020-07-10T21:28:40.073506+08:00 INFO rbatis::rbatis - [rbatis] Query ==> SELECT  create_time,delete_flag,h5_banner_img,h5_link,id,name,pc_banner_img,pc_link,remark,sort,status,version  FROM biz_activity  WHERE delete_flag =  ? LIMIT 0,20
//2020-07-10T21:28:40.073506+08:00 INFO rbatis::rbatis - [rbatis] Args  ==> [1]
//2020-07-10T21:28:40.076506500+08:00 INFO rbatis::rbatis - [rbatis] Total <== 5

{
	"records": [{
		"id": "12312",
		"name": "null",
		"pc_link": "null",
		"h5_link": "null",
		"pc_banner_img": "null",
		"h5_banner_img": "null",
		"sort": "null",
		"status": 1,
		"remark": "null",
		"create_time": "2020-02-09T00:00:00+00:00",
		"version": 1,
		"delete_flag": 1
	}],
	"total": 5,
	"size": 20,
	"current": 1,
	"serch_count": true
}

py-like sql example

//Execute to remote mysql and get the result. Supports any serializable type of SERde_JSON
        let rb = Rbatis::new();
        rb.link("mysql://root:123456@localhost:3306/test").await.unwrap();
            let py = r#"
        SELECT * FROM biz_activity
        WHERE delete_flag = #{delete_flag}
        if name != null:
          AND name like #{name+'%'}
        if ids != null:
          AND id in (
          trim ',':
             for item in ids:
               #{item},
          )"#;
            let data: serde_json::Value = rb.py_fetch("", py, &json!({   "delete_flag": 1 })).await.unwrap();
            println!("{}", data);

logging system with fast_log here as an example

 use log::{error, info, warn};
 fn  main(){
      fast_log::init_log("requests.log", 1000, log::Level::Info, None, true);
      info!("print data");
 }

Customize connection pool's size, timeout, active number of connections, and etc.

use rbatis::core::db::PoolOptions;

pub async fn init_rbatis() -> Rbatis {
let rb = Rbatis::new();
let mut opt = PoolOptions::new();
opt.max_size = 20;
rb.link_opt("mysql://root:123456@localhost:3306/test", &opt).await.unwrap();
}

Async/.await task support

   async_std::task::block_on(async {
        let rb = Rbatis::new();
        rb.link("mysql://root:123456@localhost:3306/test").await.unwrap();
        let context_id = "tx:1";//事务id号
        rb.begin(context_id).await.unwrap();
        let v: serde_json::Value = rb.fetch(context_id, "SELECT count(1) FROM biz_activity;").await.unwrap();
        println!("{}", v.clone());
        rb.commit(context_id).await.unwrap();
    });

How to use rbatis with Rust web frameworks (actix-web is used here as an example, but all web frameworks based on tokio or async_std are supported)

lazy_static! {
   static ref RB:Rbatis=Rbatis::new();
}

async fn index() -> impl Responder {
    let v:Result<i32,rbatis::core::Error> = RB.fetch("", "SELECT count(1) FROM biz_activity;").await;
    HttpResponse::Ok().body(format!("count(1)={}",v.unwrap_or(0)))
}

#[actix_rt::main]
async fn main() -> std::io::Result<()> {
    //日志
    fast_log::init_log("requests.log", 1000, log::Level::Info, None, true);
    //链接数据库
    RB.link("mysql://root:123456@localhost:3306/test").await.unwrap();
    //http路由
    HttpServer::new(|| {
        App::new()
            .route("/", web::get().to(index))
    })
        .bind("127.0.0.1:8000")?
        .run()
        .await
}

Supported data structures

Supported database √supported .WIP

Supported OS/Platforms

Progress - in sequential order

• Conlusion: Assuming zero time consumed on IO, single threaded benchmark achieves 200K QPS or QPS, which is a few times more performant than GC languages like Go or Java.

FAQ

• Postgres Types Define Please see Doc (中文)https://rbatis.github.io/rbatis.io/#/?id=%e6%95%b0%e6%8d%ae%e5%ba%93%e5%88%97%e6%a0%bc%e5%bc%8f%e5%8c%96%e5%ae%8f (En)https://rbatis.github.io/rbatis.io/#/README_EN?id=database-column-formatting-macro
• Support for DateTime and BigDecimal? Currently supports chrono::NaiveDateTime和bigdecimal::BigDecimal
• Supports for async/.await Currently supports both async_std and tokio
• Stmt in postgres uses $1, $2 instead of ? in Mysql, does this require some special treatment? No, because rbatis uses #{} to describe parametric variabls, you only need to write the correct parameter names and do not need to match it with the symbols used by the database.
• Supports for Oracle database driver? No, moving away from IOE is recommended.
• Which crate should be depended on if only the driver is needed? rbatis-core， Cargo.toml add rbatis-core = "*"
• How to select async/.await runtime? see https://rbatis.github.io/rbatis.io/
• column "id" is of type uuid but expression is of type text'? see https://rbatis.github.io/rbatis.io/#/README_EN?id=database-column-formatting-macro
• How to use '::uuid','::timestamp' on PostgreSQL? see https://rbatis.github.io/rbatis.io/#/README_EN?id=database-column-formatting-macro

changelog

changelog

Related Projects

• Logging: https://github.com/rbatis/fast_log

In order to achieve the satisfaction of this ORM framework, your support is always our motivation, we are eager to welcome WeChat to donate to support us ~ or ~ star at the top right corner

为了称心如意的ORM框架，您的支持永远是我们的动力，迫切欢迎微信捐赠支持我们 或者右上角点下star