/// <summary>
/// 返回特定类型的对象的集合，其中类型由 T 参数定义
/// </summary>
public IDbQueryable<T> GetTable<T>()
{
DbQueryable<T> queryable = new DbQueryable<T> { Provider = this.Provider };
queryable.DbExpressions = new List<DbExpression> { new DbExpression
{
DbExpressionType = DbExpressionType.GetTable,
Expressions = new[] { Expression.Constant(typeof(T)) }
} };
return queryable;
}
/// <summary>
/// 创建查询
/// </summary>
public IDbQueryable <TResult> CreateQuery <TResult>(DbExpression exp = null)
{
IDbQueryable <TResult> query = new DbQueryable <TResult>
{
Provider = _provider,
DbExpressions = new List <DbExpression>(_dbExpressions)
};
if (exp != null)
{
query.DbExpressions.Add(exp);
}
return(query);
}