first import

sites/all/modules/menu_link/menu_link.install

@@ -0,0 +1,58 @@
+<?php
+
+/**
+ * @file
+ * Install, update and uninstall functions for the Menu link module.
+ */
+
+/**
+ * Implements hook_field_schema().
+ */
+function menu_link_field_schema($field) {
+  $menu_links = drupal_get_schema_unprocessed('system', 'menu_links');
+
+  $schema = array(
+    'columns' => array(
+      'mlid' => array(
+        'description' => 'The {menu_links}.mlid being referenced in this field.',
+        'type' => 'int',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+        'default' => 0,
+      ),
+
+      // Columns below are being used for revision control.
+      'menu_name'   => $menu_links['fields']['menu_name'],
+      'plid'        => $menu_links['fields']['plid'],
+      'link_path'   => $menu_links['fields']['link_path'],
+      'link_title'  => $menu_links['fields']['link_title'],
+      'options'     => $menu_links['fields']['options'],
+      'hidden'      => $menu_links['fields']['hidden'],
+      'expanded'    => $menu_links['fields']['expanded'],
+      'weight'      => $menu_links['fields']['weight'],
+    ),
+    'indexes' => array(
+      'mlid' => array('mlid'),
+      'menu_plid' => array('menu_name', 'plid'),
+    ),
+    'foreign keys' => array(
+      'menu_link' => array(
+        'table' => 'menu_links',
+        'columns' => array('mlid' => 'mlid'),
+      ),
+      'parent_menu_link' => array(
+        'table' => 'menu_links',
+        'columns' => array('plid' => 'mlid'),
+      ),
+    ),
+  );
+
+  if (module_exists('menu')) {
+    $schema['foreign keys']['menu'] = array(
+      'table' => 'menu_custom',
+      'columns' => array('menu_name' => 'menu_name'),
+    );
+  }
+
+  return $schema;
+}