This problem can be solved by temporarily excluding the incomplete group from the message selector, or by copying the group to an in-memory or persistent store for completion later.
这个问题可以通过将不完整的组临时从消息选择器中排除得到解决，也可以将该组复制到内存中或持久性存储中，以便稍后完成。
We then set up a second selector that specifies a sequence number of 2 along with the group identifier.
然后，我们将设置第二个选择器，以执行序列号2和相应的组标识符。
An event group profile object defines a selector string which determines which events belong to this group.
事件组概要对象定义了选择器(selector)字符串来决定哪些事件属于这个组。
Figure 4 illustrates how a selector is composed to group files for the load. A selector in general has three types of specs to select files.
图4说明了选择器如何构成以对加载的文件进行分组。
Like a rule group, a selector has date range entries, selection criteria, and a default destination.
与规则组一样，选择器拥有日期范围条目、选择条件和缺省目标。
We start with a selector matching any message with a sequence number of 1, and once we have that message, we determine which group it is in.
首先，我们使用选择器来匹配任何序列号为1 的消息，获得此消息后，我们将确定其所属的组。
You select a destination in a selector the same as your would for a rule group.
您在选择器中选择的目标与为规则组中选择的相同。
Some people prefer to group their related selector elements together such as structure, links, lists, headings, and so on.
有的人喜欢将相关的选择器元素集合在一起，例如结构，链接，列表，标题，等等。
This is a date selector. You can select a Day, Month and Year using a group of select boxes.
这是一个日期选择器，你可以用一组选择框来选择年、月、日。
Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key.
依据指定的索引键选择器函式来群组序列的项目，并从每个群组及其索引键建立结果值。
You can group selectors. Separate each selector with a comma. In the example below we have grouped all the header elements.
你可以将多个选择器组合在一起，用逗号链接。
This differs from the result selector in a non-group join, which cannot access elements from the first collection that have no match in the second collection.
这与无群组联结的结果选取器不同，如果在第二个集合中没有相符项目，该选取器就无法存取第一个集合中的项目。
This differs from the result selector in a non-group join, which cannot access elements from the first collection that have no match in the second collection.
这与无群组联结的结果选取器不同，如果在第二个集合中没有相符项目，该选取器就无法存取第一个集合中的项目。
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