/// <summary>
/// 查询指定合计函数并返回当前语句
/// </summary>
/// <param name="function">合计函数类型</param>
/// <returns>当前语句</returns>
public SelectCommand Query(SqlAggregateFunction function)
{
this._queryFields.Add(SqlQueryField.InternalCreateFromAggregateFunction(function));
return(this);
}
/// <summary>
/// 查询指定合计函数并返回当前语句
/// </summary>
/// <param name="tableName">表格名称</param>
/// <param name="function">合计函数类型</param>
/// <param name="fieldName">要查询的字段名</param>
/// <returns>当前语句</returns>
public SelectCommand Query(String tableName, SqlAggregateFunction function, String fieldName)
{
this._queryFields.Add(SqlQueryField.InternalCreateFromAggregateFunction(tableName, function, fieldName));
return(this);
}