這篇SAP社群部落格裡，我的一位同事介紹了SAP Marketing裡contact facet資料模型的儲存表： https://blogs.sap.com/2016/07/01/how-does-sap-hybris-marketing-build-the-golden-record-of-an-interaction-contact/

主要是這兩張表：

CUAND_CE_IC_ROOT

CUAND_CE_IC_FCET

現在我的需求是：對系統裡Contact的Origin Data資料來源渠道個數從高到低的順序進行排序：

解決方案：開發兩個CDS view

1. zcontact_origin

@AbapCatalog.sqlViewName: 'SQL_VIEW_NAME'
@AbapCatalog.compiler.compareFilter: true
@AbapCatalog.preserveKey: true
@AccessControl.authorizationCheck: #CHECK
@EndUserText.label: 'Contact Origin tool'
define view zcontact_origin as select from cuand_ce_ic_root as a 
inner join
  cuand_ce_ic_fcet as b on a.db_key = b.parent_key  {
   key a.db_key,
   a.name_text,
   a.smtp_addr,
   b.db_key as children_key,
   b.id_origin
} 
 

2. zcontact_count

@AbapCatalog.sqlViewName: 'ZCONCOUNT'
@AbapCatalog.compiler.compareFilter: true
@AbapCatalog.preserveKey: true
@AccessControl.authorizationCheck: #CHECK
@EndUserText.label: 'count aggregation'
define view ZCONTACT_COUNT as select from zcontact_origin {
   key zcontact_origin.db_key,
   zcontact_origin.smtp_addr,
   count(*) as facet_count
} group by db_key, smtp_addr
 

最後的效果：

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