In this scenario, the list object will need to be associated to a new master query which consists of only the Product line data item with no summary filter.

在这个场景中，列表对象需要关联到一个新的主查询，该查询只包含没有摘要过滤器的Product line数据项。

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By using the for clause in the after-aggregation detail filter on a non-projected data item, the underlying query automatically projects and groups the item as the outer most column of the list.

通过在一个未投射的数据项上的after - aggregation细节过滤器中使用for子句，底层查询会自动将该项目投射并分组为列表的最外层列。

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Although the Product line has been replaced with the Product type query item, the summary filter is still in place and scoped on a now non-projected data item "Product line".

尽管Product line现在已经替换为Product type查询项目，但摘要过滤器仍然就位，并以一个现在没有投射的数据项目“Product line”为范围。

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