fix(mssql): insert/upsert operations do not return all fields (#12433)

lib/dialects/mssql/query.js

@@ -380,6 +380,19 @@ class Query extends AbstractQuery {
       id = id || autoIncrementAttributeAlias && results && results[0][autoIncrementAttributeAlias];
 
       this.instance[autoIncrementAttribute] = id;
+
+      if (this.instance.dataValues) {
+        for (const key in results[0]) {
+          if (Object.prototype.hasOwnProperty.call(results[0], key)) {
+            const record = results[0][key];
+
+            const attr = _.find(this.model.rawAttributes, attribute => attribute.fieldName === key || attribute.field === key);
+
+            this.instance.dataValues[attr && attr.fieldName || key] = record;
+          }
+        }
+      }
+
     }
   }
 }

test/integration/model/create.test.js

@@ -1420,4 +1420,21 @@ describe(Support.getTestDialectTeaser('Model'), () => {
 
     expect(spy.called).to.be.ok;
   });
+
+  if (current.dialect.supports.returnValues) {
+    it('should return default value set by the database (create)', async function() {
+
+      const User = this.sequelize.define('User', {
+        name: DataTypes.STRING,
+        code: { type: Sequelize.INTEGER, defaultValue: Sequelize.literal(2020) }
+      });
+
+      await User.sync({ force: true });
+
+      const user = await User.create({ name: 'FooBar' });
+
+      expect(user.name).to.be.equal('FooBar');
+      expect(user.code).to.be.equal(2020);
+    });
+  }  
 });

test/integration/model/upsert.test.js

@@ -577,6 +577,26 @@ describe(Support.getTestDialectTeaser('Model'), () => {
             }
           });
         });
+
+        it('should return default value set by the database (upsert)', async function() {      
+          const User = this.sequelize.define('User', {
+            name: { type: DataTypes.STRING, primaryKey: true },
+            code: { type: Sequelize.INTEGER, defaultValue: Sequelize.literal(2020) }
+          });
+
+          await User.sync({ force: true });
+
+          const [user, created] = await User.upsert({ name: 'Test default value' }, { returning: true });
+
+          expect(user.name).to.be.equal('Test default value');
+          expect(user.code).to.be.equal(2020);
+
+          if (dialect === 'sqlite' || dialect === 'postgres') {
+            expect(created).to.be.null;
+          } else {
+            expect(created).to.be.true;
+          }
+        });
       }
     });
   }