Optionally you can also change the variable type name to be different than its mapping columns data type (See Figure 17).
还可以将变量类型改为与它所映射的列的数据类型不同的类型(见图17)。
So although mapping to a more general type is always safe, mapping back to a specialized type can be problematic: the specialized type has more rules, which make the content specialized.
因此虽然映射到更一般化的类型是安全的,但是再映射回专门化类型时可能会出现问题:专门化类型有更多的规则使得内容专门化。
In Listing 5, we list the contents of a type map used to provide the mapping necessary to serve different versions of our article based on language and media type.
在清单5中,我们列出了用来提供必要映射的类型映射的内容,这些必要映射根据语言和媒体类型的不同,提供我们文章的不同版本。
Optionally you can also change the variable type name to be different than its mapping columns data type.
还可以将变量类型改为与其映射的列数据的类型不相同的类型。
You may also want to reread the "type mapping Pattern" section in Part 1 to refresh your memory on how type mappings are resolved internally.
您可能还想重新阅读第1部分中的“类型映射模式”这一部分来回忆一下如何内部解析类型映射。
Mapping the XML type system to the native language type system has two disadvantages.
将XML类型系统映射为原生语言的类型系统有两方面的劣势。
The user can use the CREATE TYPE MAPPING statement to override the default type mapping for procedure parameters.
用户可以使用CREATETYPE MAPPING语句覆盖过程参数的默认类型映射。
Listing 11 shows four methods that allow you to register and remove the element mapping from the complex type, and register and remove the element mapping from the complex type.
清单11显示了4个方法,这4个方法允许您从复杂类型中注册和移除元素映射,以及从复杂类型中注册和移除元素映射。
JSR-109 defines a standard representation for XML schema type definition and element declaration in the JAX-RPC mapping file. Both of them are mapped to the java-xml-type-mapping element.
JSR- 109为JAX - RPC映射文件中的XML模式类型定义和元素声明定义了一个标准表示法。
Converts the objects in the collection to the specified type and USES the specified fault tolerance to handle or ignore errors associated with a type not having a conversion mapping.
将集合中的物件转换成指定的型别,并使用指定的预设容错来处理或忽略与没有转换对应的型别相关联之错误。
Converts the objects in the collection to the specified type and USES the specified fault tolerance to handle or ignore errors associated with a type not having a conversion mapping.
将集合中的物件转换成指定的型别,并使用指定的预设容错来处理或忽略与没有转换对应的型别相关联之错误。
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