/// <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());
}
