add published and renewed date columns to the RealEstates table

app/migrations/20190923185802-add-published-renewed-dates-to-realEstates.js

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