Struct DbRepository 

pub struct DbRepository<E: Entity + FromRow> { /* private fields */ }

基于数据库连接的仓储实现

Implementations

impl<E: Entity + FromRow> DbRepository<E>

pub fn new(conn: Box<dyn DatabaseConnection>) -> Self

创建仓储

pub fn select(&self) -> SelectBuilder<E>

获取 SELECT 构建器

pub fn insert_builder(&self) -> InsertBuilder<E>

获取 INSERT 构建器

pub fn update_builder(&self) -> UpdateBuilder<E>

获取 UPDATE 构建器

pub fn delete_builder(&self) -> DeleteBuilder<E>

获取 DELETE 构建器

Trait Implementations

impl<E: Entity + FromRow> Repository<E> for DbRepository<E>

Available on crate feature turso only.

async fn find_by_id(&self, id: E::Id) -> DatabaseResult<Option<E>>

根据主键查找

async fn find_all(&self) -> DatabaseResult<Vec<E>>

查找所有

async fn find_by(&self, condition: Condition) -> DatabaseResult<Vec<E>>

根据条件查找

async fn find_one(&self, condition: Condition) -> DatabaseResult<Option<E>>

根据条件查找一条

async fn insert(&self, entity: &E) -> DatabaseResult<i64>

where E: ToRow,

插入实体

async fn update(&self, entity: &E) -> DatabaseResult<u64>

where E: ToRow,

更新实体

async fn delete_by_id(&self, id: E::Id) -> DatabaseResult<u64>

根据主键删除

async fn delete_by(&self, condition: Condition) -> DatabaseResult<u64>

根据条件删除

async fn count(&self) -> DatabaseResult<u64>

统计数量

async fn count_by(&self, condition: Condition) -> DatabaseResult<u64>

根据条件统计

async fn exists(&self, id: E::Id) -> DatabaseResult<bool>

检查是否存在