/// <summary>
/// 排序（NoSQL）。
/// </summary>
/// <param name="sorter">排序对象</param>
/// <returns></returns>
public virtual ISelectCommandBuilder Sort(NoSQL.Sorter sorter)
{
if (sorter != null)
{
foreach (System.Collections.Generic.KeyValuePair <string, object> pair in sorter.ToObject())
{
OrderBy(_dialect.PreName(pair.Key, ".") + " " + pair.Value);
}
}
return(this);
}