发布时间：2019-12-29 16:26:12
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 Language的缩写。cds view所有支持的annotation都在这个ABAP接口定义的常量里了：比如下图的if_dd_ddl_annotations=>AbapCatalog_sqlViewName就代表我在CDS view源.........【阅读全文】
发布时间：2019-12-20 11:18:08
As long as I do not close browser, no matter what operation I perform in WebUI, the session id remains the same, proving that all my operations are done in the same session:Function group is loaded into runtime memory by the FIRST call of a function module inside this function group.See exam.........【阅读全文】
发布时间：2019-12-18 22:10:58
Comparison scenario(1) table ZCOMM_PRODUCT2This is a very simple table which has only three fields. All of the fields are mapped from MARA.Both table have exactly the same number of entries: 97.144I create two simple ABAP methods to retrieve data from ZCOMM_PRODUCT and ZCOMM_PRODUCT2:.........【阅读全文】
发布时间：2019-12-18 21:38:54
And also it is defined in ABAP help that only read operation is supported. For other operation like write, you have to still use original database table.I have a CDS view Zp_Mara_Redirect and its corresponding database view is zmara_cds.When I try to insert some entry to CDS view, I get foll.........【阅读全文】
发布时间：2019-12-18 14:12:18
Suppose we have a database table A, and then we create a CDS redirect view B for it, then every time the READ OPEN SQL is done on table A, ABAP kernel will direct this request to view B, and serve the request with content from B.In order to make view B qualified as redirect view for table A, b.........【阅读全文】
