SAP ABAP CDS view位于ABAP应用服务器层,使用OPEN SQL,支持的数据库不限HANA,因此既能在ECC也能在S/4HANA里使用;ABAP CDS view的使命是身为SAP ABAP...而SAP HANA CDS view是HANA数据库的一部分,位于HANA XS层(HANA Extended Application Services), 其就是为了创建HANA数据库里的模型和开发原生的...HANA应用而生的,使用NATIVE SQL, 脱离了HANA数据库单独谈HANA CDS view没有任何意义。
Created by Wang, Jerry, last modified on Jan 23, 2017 create a CDS view with following source code: ?...Once activated, you see two fields in SQL view as expected. ?...Create another CDS view which extends the view created in step one with additional two fields: PRODUCT_TYPE...activated, you will find these two fields are extended via traditional ABAP append structure in SQL view...Consumer does not know whether a field is coming from original extensible view or from extension view
创建一个cds Access Control @EndUserText.label: 'check ztest_cds quthority' @MappingRole: true define role...ZAUTH_CHECK { grant select on ztest_cds//CDS 视图名
一个朋友遇到问题:给 ABAP CDS view 添加 OData.publish: true 注解激活之后,期望自动生成 OData 服务,但是遇到错误消息: Data source is not...a transactional CDS view [OData Exposure] SAP 社区上有人问类似的问题:https://answers.sap.com/questions/78804.../cds-view-annotation-.html 可以尝试去后台使用事务码 /IWFND/MAINT_SERVICE, 对 OData 服务 ZFLIGHT_COM_CDS 手动激活。...如果后台激活 OData 服务后,回到 ABAP Development Tool 里激活 CDS view,还是遇到 Data source is not a transactional CDS view...如果想进行某种事务处理,需要使用 @ObjectModel.transactionalProcessingEnabled 来修饰 CDS view.
corresponding elements are used as so called measures (elements that can be aggregated) both in standard CDS
(Creative Commons) Scenario Suppose we have a database table A, and then we create a CDS...Prerequisite In order to make view B qualified as redirect view for table A, both A and B must have the...(2) Create a new CDS view with following source code: @AbapCatalog.sqlViewName: 'zmara_cds' @AbapCatalog.compiler.compareFilter..., I just use it to illustrate how a field from database table could be mapped to a CDS view ( field name...Once CDS view is done, activate it and assign the view to database table via menu in SE11: ? ?
after you activate one CDS view Part3 – how is view source in Eclipse converted to ABAP view in the...and query view Part10 – this blog Part11 – CDS view test double framework Part12 – CDS view source code...Open the SQL view of CDS view I_PRODUCTWD, it is IPRODUCTWD in SE11....The first three rows are CDS extension view to be generated....In this method, the task to generate CDS extension view for view I_PRODUCTWD is added to enhancement
In part1 of this tutorial, the old way to create OData service on top of CDS view is introduced....In SAP Help Generate Service Artifacts From a CDS View a new annotation is described: @OData.publish...: true Just add this annotation to your CDS view and the odata service is automatically created, no need...Once activated, the odata service with naming convention “_CDS” is available for registration in tcode...For example, if I add @OData.publish: true to an existing CDS view and activate it, the corresponding
语法:SAP CDS视图使用ABAP的扩展SQL语法,而SAP HANA视图使用SQL/SQL脚本。...性能优化:SAP CDS视图在ABAP服务器上进行优化,而SAP HANA视图在HANA数据库上进行优化。...使用场景:通常,如果要访问ABAP服务器的业务逻辑或者要在ABAP环境中使用视图,那么应使用SAP CDS视图。...: true @AccessControl.authorizationCheck: #CHECK @EndUserText.label: 'Sales view' define view Z_Sales...bp.first_name, bp.last_name 另一方面,如果您想在SAP HANA Studio中使用视图,并且希望利用HANA数据库的高级功能,那么您可能会创建一个SAP HANA视图,如下所示: CREATE VIEW
What we want to achieve is: in CRM we need a CDS view which returns the service order guid together with...This question is asked via this SCN thread: ABAP CDS View: join tables on columns of different type....As suggested in the Correction Answer, this issue could be resolved by using CDS Table Function....(3) Consume the created table function in CDS view @AbapCatalog.sqlViewName: 'zcpartner' @AbapCatalog.compiler.compareFilter...view, see example in line 8.
Once done, the UI5 application will display the data from our CDS view like below....How is navigation implemented among CDS views In this part, let’s create CDS view which supports node...Now let’s create a series of CDS views: (1) A CDS view which contains two fields: spfli.connid and spfli.carrid...This view can support navigation from itself to the defined children node. (2) A CDS view which acts...(3) A CDS view which exposes the two fields connid and carrid from root view and the associated data
Most annotations for defining the star schema in different CDS views are specified in ObjectModel annotations...Scope: #VIEW Evaluation Runtime (Engine): Analytic query can be defined on top of CDS views using the
下面的CDS view使用到了@Environment.systemField这个注解,定义了两个参数#SYSTEM_LANGUAGE和#USER。...这个view从CRM物料主数据的产品抬头表COMM_PRODUCT读取product_id, product_type,以及comm_prshtext表里读取产品的描述信息,存储在字段description...true @AccessControl.authorizationCheck: #CHECK @EndUserText.label: 'Jerry product description' define view...description } where product.upname = :p_uname and _text.langu = :p_Language 当我们在ABAP Development Studio里预览该view
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According to SAP help, write back on CDS view is not supported: ?...Test on write operation attempt I have a CDS view Zp_Mara_Redirect and its corresponding database view...When I try to insert some entry to CDS view, I get following error message: ?...When I try to insert some entry to CDS view’s underlying database view, still not possible either. ?...Once the database table is redirected to a CDS view, the database itself is not supported to be changed
我觉得CDS view + SADL一句话可以概括成"能够build框架的框架"....Smart template design time repository现在全部基于CDS view, Read和search由自动生成的Odata service通过SADL自动完成,CUD是redefine...当我知道了所有的repository存在哪个view之后,我就能轻松地找到任何我想要的东西。比如我想参考专家Sean同学做的evaluation,只需: ? 轻松得到结果: ?
consumption view里, @ObjectModel.association.type: [#TO_COMPOSITION_CHILD] Z_i_Order_View...._Item, @ObjectModel.association.type: [#TO_COMPOSITION_CHILD] Z_i_Order_View...._statushelp Z_i_Order_View里: @ObjectModel.association.type: [#TO_COMPOSITION_CHILD] Z_C_Order_Item...association [0…1] to Z_C_Status_Valuehelp as _statushelp on $projection.stat = _statushelp.status_key 在view
在 SAP ABAP CDS (Core Data Services) View 中,COALESCE 函数是用于处理 NULL 值的一种功能。...COALESCE 函数在 CDS View 中的应用十分广泛,它可以用于处理各种复杂的数据情况,例如默认值设置、空值替换等。...下面我们通过几个实际示例来详细说明 COALESCE 函数在 CDS View 中的应用: 示例 1:使用 COALESCE 设置默认值 假设我们有一个 CDS View,用于展示员工的信息,其中包括员工姓名和薪水...总结 在 SAP ABAP CDS View 中,COALESCE 函数是用于处理 NULL 值的一种功能。...通过在 CDS View 中使用 COALESCE 函数,我们可以更灵活地处理数据,提高查询结果的可读性和可用性。
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