/// <summary> /// 查询所有 /// </summary> /// <param name="expression"></param> /// <returns></returns> public IQuery <TEntity> Query(Expression <Func <TEntity, bool> > expression, DataBaseWriteTypeEnum type = DataBaseWriteTypeEnum.Read) { if (type == DataBaseWriteTypeEnum.Read) { return(DbContext.Query <TEntity>().Where(expression)); } return(DbWriteContext.Query <TEntity>().Where(expression)); }
/// <summary> /// 查询所有 /// </summary> /// <returns></returns> public IQuery <TEntity> Query(DataBaseWriteTypeEnum type = DataBaseWriteTypeEnum.Read) { if (type == DataBaseWriteTypeEnum.Read) { return(DbContext.Query <TEntity>()); } return(DbWriteContext.Query <TEntity>()); }
/// <summary> /// 计算个数 /// </summary> /// <param name="expression"></param> /// <returns></returns> public int Count(Expression <Func <TEntity, bool> > expression, DataBaseWriteTypeEnum type = DataBaseWriteTypeEnum.Read) { return(Query(expression, type).Count()); }
/// <summary> /// 查询列表中第一个条数据 /// </summary> /// <param name="expression"></param> /// <returns></returns> public TEntity FirstOrDefault(Expression <Func <TEntity, bool> > expression, DataBaseWriteTypeEnum type = DataBaseWriteTypeEnum.Read) { return(Query(expression, type).FirstOrDefault()); }