add short and long description columns to the RealEstates table

app/migrations/20190916230229-add-description-columns-to-realEstates.js

@@ -0,0 +1,21 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return Promise.all([
+      queryInterface.addColumn("RealEstates", "shortDescription", {
+        type: Sequelize.STRING
+      }),
+      queryInterface.addColumn("RealEstates", "longDescription", {
+        type: Sequelize.STRING
+      })
+    ]);
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return Promise.all([
+      queryInterface.removeColumn("RealEstates", "shortDescription"),
+      queryInterface.removeColumn("RealEstates", "longDescription")
+    ]);
+  }
+};