Supports parsing of human-entered rich query expressions.
支持解析人们输入的丰富查询表达式。
In line 4, query expressions are set on the CriteriaQuery instance.
第4行在CriteriaQuery实例上设置了查询表达式。
The same rules for expressions in general apply to query expressions.
有关常规表达式的规则同样适用于查询表达式。
This section contains the contextual keywords used in query expressions.
本章节包含查询运算式中使用的内容关键字。
The query expressions are generically typed. A few typical expressions are.
查询表达式被赋予泛型。
Both of the methods that return query expressions will return a QueryExpression object to you.
返回查询表达式的两个方法都返回QueryExpression对象。
utility components that offer common functionality such as query expressions, single-sign-on and
提供了常用功能——像查询表达式、单点登录——的工具组件，它还提供了
Query expressions are often more readable than equivalent expressions written in method syntax.
查询表达式通常比用方法语法编写的等效表达式更易读。
Query, unlike ItemFinder, also requires some relatively simple parsing to interpret query expressions correctly.
与ItemFinder不同，Query还需要一些相当简单的解析，以便正确地解释查询表达式。
Initializers are typically used in query expressions when they project the source data into a new data type.
初始设定式通常会用在将来源资料规划为新资料型别的查询运算式中。
The semantic synonyms take the form of XML fragment query expressions and can be used together with ordinary synonyms.
语义同义词采用XML片段查询表达式的形式，可以与一般的同义词一起使用。
Query expressions make frequent use of anonymous types, which can only be initialized with an object initializer.
查询表达式经常使用匿名类型，而这些类型只能使用对象初始值设定项进行初始化。
Query expressions can be compiled to expression trees or to delegates, depending on the type that the query is applied to.
查询表达式可以编译为表达式树或委托，具体取决于查询所应用到的类型。
Automatic addition of the default XML namespace into query expressions and the option to remove XML namespace from any document.
默认XML名称空间到查询表达式的自动添加，以及用于从任何文档删除XML名称空间的选项。
A predicate is constructed by the CriteriaBuilder, which is the factory not only for CriteriaQuery, but also for query expressions.
谓词由QueryBuilder构造，QueryBuilder不仅是CriteriaQuery的工厂，同时也是查询表达式的工厂。
Implicitly-typed arrays are usually used in query expressions together with anonymous types and object and collection initializers.
隐含型别阵列通常是在查询运算式中与匿名型别及物件和集合初始设定式一起使用。
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。
CriteriaBuilder has API methods for constructing all kinds of query expressions that are supported in traditional JPQL grammar, plus a few more.
QueryBuilder包含构造传统jpql语法支持的所有查询表达式的API方法，并且还包含额外的方法。
The dynamic content sections of the template are easily replaced by the appropriate , or tags that use query expressions to target the correct model nodes.
可以很容易地将模板的动态内容部分替换为使用查询表达式指定正确模型节点的相应 、或标记。
A CriteriaQuery is constructed at run time as a tree of strongly typed query expressions whose use the article has illustrated with a series of code examples.
CriteriaQuery在运行时被构建为一个强类型查询表达式树，本文通过一系列例子展示了它的用法。
Query expressions are based on compiler translations of patterns; you don't need to implement any more of the pattern than the relevant query expression requires
查询表达式基于编译器的模式转换，除了相关查询表达式需要的模式之外，你不必实现其它的；
Query expressions make frequent use of anonymous types, which can only be initialized by using an object initializer, as shown in the following declaration.
查询运算式经常使用匿名型别，此型别只能使用物件初始化设定式初始化，如下列宣告所示。
Constants cannot be initialized with query expressions because constants may only be initialized with some combination of literals, named constants, and mathematical operators.
常量不能用查询表达式进行初始化，因为常量只能用文本、命名常量和数学运算符的某一组合进行初始化。
Query expressions are the core units or nodes that are assembled in a tree to specify a CriteriaQuery. Figure 1 shows the hierarchy of query expressions defined in the Criteria API.
查询表达式是在一个树中组装的核心单元或节点，用于指定CriteriaQuery。
The translation of query expressions is demonstrated through a series of examples in the following. A formal description of the translation rules is provided in a later section.
查询表达式的转换通过一系列例子示范如下。正式的转换规则的描述在后面部分。
You can drill down multiple levels in a query to specify nested predicates, clauses, and expressions.
您可以在一个查询中钻取多层，以指定嵌套的谓词、子句和表达式。
If your queries execute without error but return no data, double-check the path expressions and namespace declarations in your query.
如果查询能够执行，但是没有返回数据，那么请仔细检查查询中的路径表达式和名称空间声明。
Even though this is more code, this query is actually missing several features present in the regular expressions version.
即使代码数量多了，但此查询实际上缺少几项正则表达式版本中包含的功能。
Even though this is more code, this query is actually missing several features present in the regular expressions version.
即使代码数量多了，但此查询实际上缺少几项正则表达式版本中包含的功能。
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