Add table schema

includes/class-wc-install.php

@@ -946,6 +946,14 @@ CREATE TABLE {$wpdb->prefix}wc_tax_rate_classes (
   slug varchar(200) NOT NULL DEFAULT '',
   PRIMARY KEY  (tax_rate_class_id),
   UNIQUE KEY slug (slug($max_index_length))
+) $collate;
+CREATE TABLE {$wpdb->prefix}wc_reserved_stock (
+	`order_id` bigint(20) NOT NULL,
+	`product_id` bigint(20) NOT NULL,
+	`stock_quantity` double NOT NULL DEFAULT 0,
+	`timestamp` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
+	`expires` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
+	PRIMARY KEY  (`order_id`, `product_id`)
 ) $collate;
 		";
 
@@ -980,6 +988,7 @@ CREATE TABLE {$wpdb->prefix}wc_tax_rate_classes (
 			"{$wpdb->prefix}woocommerce_shipping_zones",
 			"{$wpdb->prefix}woocommerce_tax_rate_locations",
 			"{$wpdb->prefix}woocommerce_tax_rates",
+			"{$wpdb->prefix}wc_reserved_stock",
 		);
 
 		/**

includes/class-woocommerce.php

@@ -246,6 +246,7 @@ final class WooCommerce {
 			'order_itemmeta'         => 'woocommerce_order_itemmeta',
 			'wc_product_meta_lookup' => 'wc_product_meta_lookup',
 			'wc_tax_rate_classes'    => 'wc_tax_rate_classes',
+			'wc_reserved_stock'      => 'wc_reserved_stock',
 		);
 
 		foreach ( $tables as $name => $table ) {