First push

bookshop/db/handlers/sandbox.cds

@@ -0,0 +1,2 @@
+using from '..\..\schema';
+

bookshop/db/schema.cds

@@ -1,43 +1,49 @@
-using { Currency, managed, sap, extensible } from '@sap/cds/common';
+using {
+  Currency,
+  managed,
+  sap,
+  extensible
+} from '@sap/cds/common';
+
 namespace sap.capire.bookshop;
 
 @Extensibility.Any.Enabled : true
 entity Books : managed, extensible {
-  key ID : Integer;
-  title  : localized String(111);
-  descr  : localized String(1111);
-  author : Association to Authors;
-  genre  : Association to Genres;
-  stock  : Integer;
-  price  : Decimal;
-  currency : Currency;
-  image : LargeBinary @Core.MediaType : 'image/png';
-  authorName: String;
+  key ID         : Integer;
+      title      : localized String(111);
+      descr      : localized String(1111);
+      author     : Association to Authors;
+      genre      : Association to Genres;
+      stock      : Integer;
+      price      : Decimal;
+      currency   : Currency;
+      image      : LargeBinary @Core.MediaType : 'image/png';
+      authorName : String;
 }
 
-@Extensibility : {
-  Fields.Enabled      : true,
-  Relations.Enabled   : false,
-  Annotations.Enabled : true,
-  Logic.Enabled : true,
-  Logic.constraints: true,
-  Logic.calculations: true,
-  Logic.Handler : [create, update, delete, read]
-}
+
 entity Authors : managed, extensible {
-  key ID : Integer;
-  name   : String(111);
-  dateOfBirth  : Date;
-  dateOfDeath  : Date;
-  placeOfBirth : String;
-  placeOfDeath : String;
-  virtual age: Integer;
-  books  : Association to many Books on books.author = $self;
+  key ID           : Integer;
+      name         : String(111);
+      dateOfBirth  : Date;
+      dateOfDeath  : Date;
+      placeOfBirth : String;
+      placeOfDeath : String;
+
+      books        : Association to many Books
+                       on books.author = $self;
 }
 
-/** Hierarchically organized Code List for Genres */
-entity Genres : sap.common.CodeList {
-  key ID   : Integer;
-  parent   : Association to Genres;
-  children : Composition of many Genres on children.parent = $self;
+extend Authors with {
+  virtual age : Integer;
+}
+
+/**
+ * Hierarchically organized Code List for Genres
+ */
+entity Genres : sap.common.CodeList {
+  key ID       : Integer;
+      parent   : Association to Genres;
+      children : Composition of many Genres
+                   on children.parent = $self;
 }