CDS视图是一种在SAP HANA数据库中定义的虚拟数据表,可以从多个表中检索和组合数据,并提供与SAP应用程序的集成。以下是ABAP CDS语法的详细解释: 1. 定义一个CDS视图 定义一个CDS视图需要使用关键字DEFINE VIEW,后跟视图名称和视图字段列表。视图字段列表包括字段名称、数据类型和从哪个表中选择数据。 例如: ``` @...
介绍本文介绍使用ABAP Core Data Services创建OData服务的最快方法。 给出了有关@ OData.publish注释利用率,对数据源CDS实体的引用和从DDIC结构导入的详细信息。 自定义透明表数据上显示的创建,更新和删除操作只是为了简化文章,而不是将重点从OData服务创建转
使用ABAP CDS声明语句DEFINE TABLE FUNCTION可以定义一个CDS Table Function,它可以作为数据源被OPEN SQL语句读取。 每个CDS Table Function包含以下部分: 在ABAP字典中生成的Table Function的CDS Entity CDS Table Function实现 (ABAP 类库) 注意:相比于CDS Views,CDS Table Functions能够通过Native Sql实现。这种实现是...
RETURNSELECT client, airline_code, airline_name,', ' ORDER BY city_to) asFROMGROUP BY client, airline_code, airline_name; 1. 注意:table function应永远有返回参数,所以记着在最后一个SELECT语句前放一个RETURN语句。另外,注意我们将字段名转换为前文中ABAP CDS Table Function声明的字段名,如果你没有...
If specified, the columnscol1,col2, ... can contain apath expressionsfor associations of a CDS. Instead of using commas, blanks can be used to separate columns specified in anobsolete form. Commas must be specified, however, in thestrict modesof the syntax check from Release 7.40, SP05....
Hierarchy.parentChild[ ].recurse.parent[ ] see CDS Annotations View see CDS Annotations Hierarchy.parentChild[ ].recurseBy see CDS Annotations View see CDS Annotations Hierarchy.parentChild[ ].rootNode.visibility see CDS Annotations View see CDS Annotations Hierarchy.parentChild[ ].siblingsOrder[ ]....
308 WHERE tabname = i_cdshw-tabname 309 AND fieldname = i_cdshw-fname 310 ORDER BY PRIMARY KEY. "BHS120614(+). 311 312 IF sy-subrc = 0. 313 READ TABLE i_dd03l INDEX 1. 314 315 PERFORM lesen_datenelement 316 USING i_dd03l-rollname 'M' i_cdshw-ftext. ...
ABAPCDS-基础语法规则 The general syntax rules for the and the in are:Keywords Keywords must be all uppercase, all lowercase, or in lowercase with an uppercase initial letter. Mixed uppercase and lowercase is not allowed.Names Names are not case-sensitive.A name can have a maximum of 30 ...
Scenario: search by header description REPORT zorder_query. PARAMETERS: descr TYPE crmd_orderadm_h-description OBLIGATORY DEFAULT 'Jerry', conta TYPE char1 AS CHECKBOX DEFAULT abap_false, ttype Type crmd_orderadm_h-process_type DEFAULT 'SRVO', ...
In this post I discuss a workaround if you need a TOP N / UP TO N rows / ORDER BY in a CDS-based modeling. Unfortunately these clauses are missing in CDS views and, therefore can only be implemented by CDS Table Functions. Hopefully, it is temporary 😉 The solution is as follows...