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cloud-cap-samples/packages/common-contacts/db/code-lists.cds
2019-10-24 12:03:37 +02:00

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using { sap.capire.contacts.PostalAddress } from './schema';
using { sap } from '@sap/cds/common';
namespace sap.capire.contacts;
/**
* The Code Lists below are designed as optional extensions to
* the base schema. Switch them on by adding an Association to
* one of the code list entities in your models or by:
* annotate sap.common.Countries with @cds.persistence.skip:false;
*/
entity Countries as select from sap.common.Countries;
extend sap.common.Countries {
regions : Composition of many Regions on regions._parent = $self.code;
}
entity Regions : sap.common.CodeList {
key code : String(5); // ISO 3166-2 alpha5 codes, e.g. DE-BW
children : Composition of many Regions on children._parent = $self.code;
cities : Composition of many Cities on cities.region = $self;
_parent : String(11);
}
entity Cities : sap.common.CodeList {
key code : String(11);
region : Association to Regions;
districts : Composition of many Districts on districts.city = $self;
}
entity Districts : sap.common.CodeList {
key code : String(11);
city : Association to Cities;
}
annotate PostalAddress with {
district @ref: sap.capire.contacts.Districts;
city @ref: sap.capire.contacts.Cities;
region @ref: sap.capire.contacts.Regions;
country @ref: sap.capire.contacts.Countries;
}