我们在ABAP Development Tool里编写SAP CDS view,为视图维护这些以@开头的注解,同Java Spring里广泛应用的annotation一样,都是一种为development object维护元数据的方式。 如上图所示,我维护了五个不同的注解,一旦保存,这个cds view的源代码被发送到ABAP后台,通过CL_DD_DDL_HANDLER解析,DDL此处是Data Definition Lan...
我们在ABAP Development Tool里编写SAP CDS view,为视图维护这些以@开头的注解,同Java Spring里广泛应用的annotation一样,都是一种为development object维护元数据的方式。 如上图所示,我维护了五个不同的注解,一旦保存,这个cds view的源代码被发送到ABAP后台,通过CL_DD_DDL_HANDLER解析,DDL此处是Data Definition Lan...
When you implement your CDS view and OData service in ABAP, make sure that your service supports auto aggregation and provides OData4SAP annotations. In CDS View we can use “@OData.publish: true” to include annotations. With the annotation, we can find multiple information in $metadata. For...
在处理 SAP ABAP Core Data Services (CDS) View 遇到的 Dependencies DDL source - View/Entity not written 错误时,需要系统地诊断并解决依赖问题。这个错误通常指的是在尝试激活 CDS View 时,系统无法解析其依赖的其他视图或实体。 错误原因分析 错误Dependencies DDL source - View/Entity not written 通常...
https://blogs.sap.com/2016/03/12/my-cds-view-self-study-tutorial-part-4-how-does-annotation-odatapublish-work/ 加上这个注解的CDS view,一旦激活后就会在ABAP Netweaver自动生成一个OData服务,在事务码/IWFND/MAINT_SERVICE里将其搜索出来并添加,就能够以OData服务的方式,消费这个view暴露出...
You can then use some of these features in productive development to make your applications more powerful and more user-friendly. By the end of this tutorial, your application should look like this. You can see the code at the end of this tutorial. Throughout the tutorial, objects name incl...
SAP Managed Tags: ABAP Development With ABAP release 7.55, a new type of CDS view is available: in official terminology, it's called CDS view entity. And it has come to replace the "classic" CDS DDIC-based views that have been around for years. This blog post provides the following in...
The view is a cross-client view. A prerequisite for this is that none of thedata sourcesused in the view is client-specific. If not, a syntax error occurs. Notes CDS views for application data should usually be client-specific. The annotation@ClientHandling.typereplaces the annotation@Client...
在SAP ABAP中,将CDS视图暴露为OData服务可以通过以下步骤实现: 1. 创建CDS视图:你需要创建一个CDS(Common Data Service)视图,CDS视图是ABAP数据模型的核心组件,它定义了应用程序中使用的数据结构和关系,你可以使用ABAP编辑器或SEGW工具来创建CDS视图。 2. 配置OData服务:接下来,你需要配置OData服务来暴露CDS视图,在...
The definition of a CDS view for ABAP Dictionary must always contain the predefined annotationAbapCatalog.sqlViewName, which defines the name of the view in the ABAP repository. If a CDS view is configured to be not client-specific with the predefined annotationClientDependent false, all CDS vi...