使用CDS view开发SAP Marketing contact的facet追溯工具

这篇SAP社区博客里，我的一位同事介绍了SAP Marketing里contact facet数据模型的存储表：
https://blogs.sap.com/2016/07/01/how-does-sap-hybris-marketing-build-the-golden-record-of-an-interaction-contact/

主要是这两张表：

CUAND_CE_IC_ROOT

CUAND_CE_IC_FCET

现在我的需求是：对系统里Contact的Origin Data数据来源渠道个数从高到低的顺序进行排序：

解决方案：开发两个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
} 

1. 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

最后的效果：

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原文地址：https://www.cnblogs.com/sap-jerry/p/11182647.html