如果要复制汇总信息，请指定“分组依据”选项。
If you want to copy summary information, specify Group By options.
“分组依据”列(因为尚未指定聚合查询)，则搜索条件将被放入where子句中。
Group By column of the grid is not displayed (because you have not yet specified an aggregate query), the search condition is placed into the WHERE clause.
当选择“分组依据”选项或将聚合函数添加到查询中时，所有标记为输出或用于排序的列将自动添加到GROUP by子句中。
When you choose the GROUP BY option or add an aggregate function to a query, all columns marked for output or used for sorting are automatically added to the GROUP BY clause.
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