#[tokio::main]
async fn main(){
  let rb = rbatis::RBatis::new();
  rb.init(YourDriver {}, "YourDriver://****").unwrap();
}

//#[macro_use] define in 'root crate' or 'mod.rs' or 'main.rs'
#[macro_use]
extern crate rbatis;
extern crate rbdc;
use rbatis::rbdc::datetime::DateTime;

#[derive(Clone, Debug, Serialize, Deserialize)]
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<DateTime>,
    pub version: Option<i64>,
    pub delete_flag: Option<i32>,
}
crud!(BizActivity{});//crud = insert+select_by_column+update_by_column+delete_by_column

impl_select!(BizActivity{select_all_by_id(id:&str,name:&str) => "`where id = #{id} and name = #{name}`"});
impl_select!(BizActivity{select_by_id(id:String) -> Option => "`where id = #{id} limit 1`"});
impl_update!(BizActivity{update_by_name(name:&str) => "`where id = 1`"});
impl_delete!(BizActivity {delete_by_name(name:&str) => "`where name= '2'`"});
impl_select_page!(BizActivity{select_page(name:&str) => "`where name != #{name}`"});

#[tokio::main]
async fn main() {
    /// enable log crate to show sql logs
    fast_log::init(fast_log::Config::new().console()).expect("rbatis init fail");
    /// initialize rbatis. also you can call rb.clone(). this is  an Arc point
    let rb = RBatis::new();
    /// connect to database  
    // sqlite 
    rb.init(SqliteDriver {}, "sqlite://target/sqlite.db").unwrap();
    // mysql 
    // rb.init(MysqlDriver{},"mysql://root:123456@localhost:3306/test").unwrap();
    // postgresql 
    // rb.init(PgDriver{},"postgres://postgres:123456@localhost:5432/postgres").unwrap();
    // mssql/sqlserver
    // rb.init(MssqlDriver{},"jdbc:sqlserver://localhost:1433;User=SA;Password={TestPass!123456};Database=test").unwrap();

    let activity = BizActivity {
        id: Some("2".into()),
        name: Some("2".into()),
        pc_link: Some("2".into()),
        h5_link: Some("2".into()),
        pc_banner_img: None,
        h5_banner_img: None,
        sort: None,
        status: Some(2),
        remark: Some("2".into()),
        create_time: Some(DateTime::now()),
        version: Some(1),
        delete_flag: Some(1),
    };
    let data = BizActivity::insert(&rb, &activity).await;
    println!("insert = {:?}", data);

    let data = BizActivity::select_all_by_id(&rb, "1", "1").await;
    println!("select_all_by_id = {:?}", data);

    let data = BizActivity::select_by_id(&rb, "1".to_string()).await;
    println!("select_by_id = {:?}", data);

    let data = BizActivity::update_by_column(&rb, &activity, "id").await;
    println!("update_by_column = {:?}", data);

    let data = BizActivity::update_by_name(&rb, &activity, "test").await;
    println!("update_by_name = {:?}", data);

    let data = BizActivity::delete_by_column(&rb, "id", &"2".into()).await;
    println!("delete_by_column = {:?}", data);

    let data = BizActivity::delete_by_name(&rb, "2").await;
    println!("delete_by_column = {:?}", data);

    let data = BizActivity::select_page(&rb, &PageRequest::new(1, 10), "2").await;
    println!("select_page = {:?}", data);
}
///...more usage,see crud.rs

#[tokio::main]
pub async fn main() {
    use rbatis::RBatis;
    use rbdc_sqlite::driver::SqliteDriver;
    #[derive(Clone, Debug, serde::Serialize, serde::Deserialize)]
    pub struct BizActivity {
        pub id: Option<String>,
        pub name: Option<String>,
    }
    fast_log::init(fast_log::Config::new().console()).expect("rbatis init fail");
    let rb = RBatis::new();
    rb.init(SqliteDriver {}, "sqlite://target/sqlite.db").unwrap();
    let table: Option<BizActivity> = rb
        .query_decode("select * from biz_activity limit ?", vec![rbs::to_value!(1)])
        .await
        .unwrap();
    let count: u64 = rb
        .query_decode("select count(1) as count from biz_activity", vec![])
        .await
        .unwrap();
    println!(">>>>> table={:?}", table);
    println!(">>>>> count={}", count);
}

    #[py_sql("select * from biz_activity where delete_flag = 0
                  if name != '':
                    `and name=#{name}`")]
async fn py_sql_tx(rb: &RBatis, tx_id: &String, name: &str) -> Vec<BizActivity> { impled!() }

    ///select page must have  '?:&PageRequest' arg and return 'Page<?>'
#[html_sql("example/example.html")]
async fn select_by_condition(rb: &dyn Executor, page_req: &PageRequest, name: &str) -> Page<BizActivity> { impled!() }

use once_cell::sync::Lazy;

pub static RB: Lazy<RBatis> = Lazy::new(|| 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("select * from biz_activity where id = ?")]
pub async fn select(rb: &RBatis, name: &str) -> BizActivity {}
//or： pub async fn select(name: &str) -> rbatis::core::Result<BizActivity> {}

#[tokio::test]
pub async fn test_macro() {
    fast_log::init(fast_log::Config::new().console()).expect("rbatis init fail");
    RB.link("mysql://root:123456@localhost:3306/test").await.unwrap();
    let a = select(&RB, "1").await.unwrap();
    println!("{:?}", a);
}