Our first example USES a static query expression.
第一个例子是用静态查询表达式。
Defines a function node in a query expression tree.
定义查询表达式树中的函数节点。
Defines the literal node in a query expression tree.
定义查询表达式树中的文字节点。
Some variables cannot be initialized with a query expression.
有些变量不能用查询表达式进行初始化。
Root is a query expression that denotes the extent of a persistent entity.
Root是一个查询表达式,它表示持久化实体的范围。
A DPTK query expression is a string that describes how to traverse the DOM.
DPTK查询表达式是一个描述如何遍历dom的字符串。
Using a database-supported function as a query expression to extend the grammar.
使用数据库支持的函数作为查询表达式来扩展语法。
The query expression is processed by building a sequence of node collections
查询表达式通过构建节点集合序列来处理
A query is stored in a query variable and initialized with a query expression.
查询是储存在查询变数中,并以查询运算式初始化。
The following query expression joins a list of customers and a list of customer orders.
下面的查询表达式联接一个客户列表和一个客户订单列表。
We say that the query expression results in the set of nodes at which the navigation ends.
我们说查询表达式产生一组节点,在这里导航结束。
Each tag has a node attribute that takes a query expression describing a single model node in the DOM.
每种标记都有一个节点属性,该属性携带一个描述DOM中单一模型节点的查询表达式。
When the developer builds the Connect tag, he passes an Aptrix component tag to this query expression.
开发人员创建Connect标签时可以给查询表达式传递一个Aptrix组件标签。
You use the same basic query expression patterns to query and transform data in SQL databases, ADO.
您使用相同的基本查询表达式模式来查询和转换SQL数据库、A DO。
Just enclose the query expression in parentheses, and then apply the dot operator and call the method.
只需将查询表达式括在括号内,然后应用点运算符并调用此方法。
Allows users to extend the searching behavior using custom sorting, filtering, and query expression parsing.
允许用户使用定制排序、过滤和查询表达式解析扩展搜索行为。
The DPTK query expression language provides for several kinds of steps with which to specify model traversals.
DPTK查询表达式语言提供用于指定模型遍历的多种步骤。
It can be positioned almost anywhere in a query expression, except it cannot be the first or last clause.
除了不能是第一个或最后一个子句外,它几乎可以放在查询表达式中的任何位置。
Meanwhile, the nodes attribute specifies a query expression that can result in any number (including zero) of nodes.
同时,节点属性指定可以产生任何数量(包括零)节点的查询表达式。
The query expression is a building block that can be assembled to define the final selection predicate for the query.
该查询表达式是一个构建块,可以通过组装它为查询定义最后的选择谓词。
For a developer who writes queries, the most visible "language-integrated" part of LINQ is the query expression.
对于撰写查询的开发人员而言,LINQ最明显的“语言整合”部分就是它的查询运算式。
If there are no steps in the query expression, the query expression results in the start node, pending any additional filtering.
如果查询表达式中没有任何步骤,则查询表达式将产生开始节点,挂起任何附加的筛选。
As I mentioned earlier, every query expression is generically typed to denote the type of the value the expression evaluates to.
如前所述,每个查询表达式都是泛型的,以表示表达式计算的值的类型。
This example shows how to avoid raising exceptions when you call methods in a query expression without violating the general.
此示例演示在查询表达式中调用方法时如何避免引发异常,同时又不违反。
The DPTK query expression describing that navigation is /swim/meet/team, and we use that expression in the nodes attribute of an tag
描述该导航的DPTK查询表达式是 /swim/meet/team,并且我们在 标记的节点属性中使用该表达式。
In a query expression, it is sometimes useful to store the result of a sub-expression in order to use it in subsequent clauses.
在查询运算式中,若要将子运算式的结果用于后续子句,则储存子运算式的结果有时会十分有用。
Since there are no steps following the variable name, this query expression results in a single node which happens to be the current node.
由于在变量名后面没有任何步骤,因此该查询表达式将产生一个单一节点,即正好是当前的节点。
The final collection of nodes gathered during the last step in the query expression is the set of resulting nodes for the query expression.
在查询表达式的最后一步中收集的最终节点集合是查询表达式的一组结果节点。
In the tag, the query expression "team" doesn't start with a forward slash, so the first token, "team", is taken to be a variable name.
在标记中,查询表达式“team”不是以正斜杠开头,因此采用第一个令牌“team”作为变量名。
As you iterate over the query expressions, your algorithm may need to correct for double negatives. Consider a query expression like this one.
在遍历查询表达式时,算法可能需要纠正双重否定。
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