Trait DatabaseConnection 

pub trait DatabaseConnection {
    // Required methods
    fn backend(&self) -> DatabaseBackend;
    fn query<'life0, 'life1, 'async_trait>(
        &'life0 self,
        sql: &'life1 str,
    ) -> Pin<Box<dyn Future<Output = DatabaseResult<Box<dyn RowIterator>>> + Send + 'async_trait>>
       where Self: 'async_trait,
             'life0: 'async_trait,
             'life1: 'async_trait;
}

数据库连接 trait

Required Methods

fn backend(&self) -> DatabaseBackend

获取数据库后端类型

fn query<'life0, 'life1, 'async_trait>( &'life0 self, sql: &'life1 str, ) -> Pin<Box<dyn Future<Output = DatabaseResult<Box<dyn RowIterator>>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

执行查询

Implementors