Struct GenericKeyRepository 

pub struct GenericKeyRepository<E, K>
where
    E: Clone + Send + Sync + 'static,
    K: Clone + Debug + PartialEq + Send + Sync + 'static,
{ /* private fields */ }

通用 Key 内存仓储

Implementations

impl<E, K> GenericKeyRepository<E, K>

where E: Clone + Send + Sync + 'static, K: Clone + Debug + PartialEq + Send + Sync + 'static,

pub fn new() -> GenericKeyRepository<E, K>

pub fn from_vec(items: Vec<E>) -> GenericKeyRepository<E, K>

pub fn len(&self) -> usize

pub fn is_empty(&self) -> bool

pub fn clear(&self)

Trait Implementations

impl<E, K> Default for GenericKeyRepository<E, K>

where E: Clone + Send + Sync + 'static, K: Clone + Debug + PartialEq + Send + Sync + 'static,

fn default() -> GenericKeyRepository<E, K>

Returns the “default value” for a type.

impl<E, K> Repository<E> for GenericKeyRepository<E, K>

where E: Clone + Send + Sync + 'static + EntityKey<K> + EntityAttributes, K: Clone + Debug + PartialEq + Send + Sync + 'static,

type Key = K

主键类型

fn key_of( &self, entity: &E, ) -> <GenericKeyRepository<E, K> as Repository<E>>::Key

提取实体的主键

fn find_by_id( &self, key: &<GenericKeyRepository<E, K> as Repository<E>>::Key, ) -> Result<Option<E>, RepositoryError>

按主键查找

fn find_all(&self) -> Result<Vec<E>, RepositoryError>

查询所有

fn find_by( &self, conditions: &[WhereCondition], ) -> Result<Vec<E>, RepositoryError>

按条件查询

fn save(&self, entity: E) -> Result<E, RepositoryError>

保存（INSERT 或 UPDATE）

fn delete( &self, key: &<GenericKeyRepository<E, K> as Repository<E>>::Key, ) -> Result<usize, RepositoryError>

按主键删除

fn count(&self) -> Result<u64, RepositoryError>

总数

fn find_one_by( &self, conditions: &[WhereCondition], ) -> Result<Option<E>, RepositoryError>

按条件查询单条

fn save_many(&self, entities: Vec<E>) -> Result<Vec<E>, RepositoryError>

批量保存

fn batch_update( &self, entities: Vec<E>, ) -> Result<BatchUpdateResult<E>, RepositoryError>

批量更新（S-1：SeaORM 对标短板补全）

fn delete_by( &self, conditions: &[WhereCondition], ) -> Result<usize, RepositoryError>

按条件删除

fn count_by( &self, conditions: &[WhereCondition], ) -> Result<u64, RepositoryError>

按条件计数

fn exists(&self, key: &Self::Key) -> Result<bool, RepositoryError>

主键是否存在

fn paginate( &self, page: u64, page_size: u64, ) -> Result<PageResult<E>, RepositoryError>

where E: Clone,

分页查询

fn paginate_by( &self, conditions: &[WhereCondition], page: u64, page_size: u64, ) -> Result<PageResult<E>, RepositoryError>

where E: Clone,

按条件分页查询

fn find_by_with_or_filter( &self, and: &[WhereCondition], or_filter: &[WhereCondition], ) -> Result<Vec<E>, RepositoryError>

where E: Clone + EntityAttributes,

按 AND 条件查询，并对结果应用额外的 OR 过滤组