MAGETWO-33221: Date created column is not populated in invoices and credit memo grid

Author: Olexandr Lysenko

app/code/Magento/Sales/etc/module.xml

@@ -6,7 +6,7 @@
  */
 -->
 <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../../lib/internal/Magento/Framework/Module/etc/module.xsd">
-    <module name="Magento_Sales" schema_version="2.0.0">
+    <module name="Magento_Sales" schema_version="2.0.1">
         <sequence>
             <module name="Magento_Rule"/>
             <module name="Magento_Catalog"/>

app/code/Magento/Sales/sql/sales_setup/update-2.0.1.php

@@ -0,0 +1,27 @@
+<?php
+/**
+ * Copyright © 2015 Magento. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+/**
+ * update columns created_at and updated_at in sales tables
+ */
+
+$tables = [
+    'sales_creditmemo', 'sales_creditmemo_comment', 'sales_invoice', 'sales_invoice_comment', 'sales_order',
+    'sales_order_item', 'sales_order_status_history', 'sales_payment_transaction', 'sales_shipment',
+    'sales_shipment_comment', 'sales_shipment_track'
+];
+/** @var \Magento\Framework\DB\Adapter\AdapterInterface $connection */
+$connection = $this->getConnection();
+foreach ($tables as $table) {
+    $columns = $connection->describeTable($table);
+    $createdAt = $columns['created_at'];
+    $createdAt['default'] = 'CURRENT_TIMESTAMP';
+    $updatedAt = $columns['updated_at'];
+    $updatedAt['default'] = 'CURRENT_TIMESTAMP';
+    $connection->modifyColumn($table, 'created_at', $createdAt);
+    $connection->modifyColumn($table, 'updated_at', $updatedAt);
+}
+