diff --git a/modules/forum/forum-topic-list.tpl.php b/modules/forum/forum-topic-list.tpl.php
index 9757b6049055c12a267c85f2959a061203a2eb29..36211c851eed1ef01e8d3d7871e66548a623cb04 100644
--- a/modules/forum/forum-topic-list.tpl.php
+++ b/modules/forum/forum-topic-list.tpl.php
@@ -20,7 +20,7 @@
  * - $topic->message: If the topic has been moved, this contains an
  *   explanation and a link.
  * - $topic->zebra: 'even' or 'odd' string used for row class.
- * - $topic->num_comments: The number of replies on this topic.
+ * - $topic->comment_count: The number of replies on this topic.
  * - $topic->new_replies: A flag to indicate whether there are unread comments.
  * - $topic->new_url: If there are unread replies, this is a link to them.
  * - $topic->new_text: Text containing the translated, properly pluralized count.
@@ -53,7 +53,7 @@
       <td colspan="3"><?php print $topic->message; ?></td>
     <?php else: ?>
       <td class="replies">
-        <?php print $topic->num_comments; ?>
+        <?php print $topic->comment_count; ?>
         <?php if ($topic->new_replies): ?>
           <br />
           <a href="<?php print $topic->new_url; ?>"><?php print $topic->new_text; ?></a>
diff --git a/modules/forum/forum.admin.inc b/modules/forum/forum.admin.inc
index 95018e18ac5c99ee4085ba2f118d7c215e17bbd4..d7dbe5fa31eebb7395e47bf5ebcc10376d368c1e 100644
--- a/modules/forum/forum.admin.inc
+++ b/modules/forum/forum.admin.inc
@@ -5,8 +5,8 @@
  * @file
  * Administrative page callbacks for the forum module.
  */
-
 function forum_form_main($type, $edit = array()) {
+  $edit = (array) $edit;
   if ((isset($_POST['op']) && $_POST['op'] == t('Delete')) || !empty($_POST['confirm'])) {
     return drupal_get_form('forum_confirm_delete', $edit['tid']);
   }
diff --git a/modules/forum/forum.install b/modules/forum/forum.install
index df6ccf48d5499bd9cf626c22763a586109656a6e..a212449478e0db8942d77e123ee5fda1aa910185 100644
--- a/modules/forum/forum.install
+++ b/modules/forum/forum.install
@@ -22,9 +22,7 @@ function forum_install() {
 
 function forum_enable() {
   if ($vocabulary = taxonomy_vocabulary_load(variable_get('forum_nav_vocabulary', 0))) {
-    // Existing install. Add back forum node type, if the forums
-    // vocabulary still exists. Keep all other node types intact there.
-    $vocabulary->nodes['forum'] = 1;
+    // Save the vocabulary to create the default field instance.
     taxonomy_vocabulary_save($vocabulary);
   }
   else {
@@ -33,17 +31,26 @@ function forum_enable() {
     // forms.
     $edit = array(
       'name' => t('Forums'),
-      'multiple' => 0,
-      'required' => 0,
+      'machine_name' => 'forums',
+      'description' => t('Forum navigation vocabulary'),
       'hierarchy' => 1,
       'relations' => 0,
       'module' => 'forum',
       'weight' => -10,
-      'nodes' => array('forum' => 1),
     );
     $vocabulary = (object) $edit;
     taxonomy_vocabulary_save($vocabulary);
 
+    $instance = array(
+      'field_name' => 'taxonomy_' . $vocabulary->machine_name,
+      'label' => $vocabulary->name,
+      'bundle' => 'forum',
+      'widget' => array(
+        'type' => 'options_select',
+      ),
+    );
+    field_create_instance($instance);
+
     variable_set('forum_nav_vocabulary', $vocabulary->vid);
   }
 }
@@ -109,6 +116,68 @@ function forum_schema() {
     ),
   );
 
+  $schema['forum_index'] = array(
+    'description' => 'Maintains denormalized information about node/term relationships.',
+    'fields' => array(
+      'nid' => array(
+        'description' => 'The {node}.nid this record tracks.',
+        'type' => 'int',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+        'default' => 0,
+      ),
+      'title' => array(
+        'description' => 'The title of this node, always treated as non-markup plain text.',
+        'type' => 'varchar',
+        'length' => 255,
+        'not null' => TRUE,
+        'default' => '',
+      ),
+      'tid' => array(
+         'description' => 'The term ID.',
+         'type' => 'int',
+         'unsigned' => TRUE,
+         'not null' => TRUE,
+         'default' => 0,
+      ),
+      'sticky' => array(
+        'description' => 'Boolean indicating whether the node is sticky.',
+        'type' => 'int',
+        'not null' => FALSE,
+        'default' => 0,
+        'size' => 'tiny',
+      ),
+      'created' => array(
+        'description' => 'The Unix timestamp when the node was created.',
+        'type' => 'int',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+        'default'=> 0,
+      ),
+      'last_comment_timestamp' => array(
+        'type' => 'int',
+        'not null' => TRUE,
+        'default' => 0,
+        'description' => 'The Unix timestamp of the last comment that was posted within this node, from {comment}.timestamp.',
+      ),
+      'comment_count' => array(
+        'type' => 'int',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+        'default' => 0,
+        'description' => 'The total number of comments on this node.',
+      ),
+    ),
+    'indexes' => array(
+      'forum_topics' => array('tid', 'sticky', 'last_comment_timestamp'),
+    ),
+    'foreign keys' => array(
+      'node' => 'nid',
+      'taxonomy_term_data' => 'tid',
+    ),
+  );
+
+
   return $schema;
 }
 
@@ -119,3 +188,74 @@ function forum_update_7000() {
   db_drop_index('forum', 'nid');
   db_add_index('forum', 'forum_topic', array('nid', 'tid'));
 }
+
+/**
+ * Create new {forum_index} table.
+ */
+function forum_update_7001() {
+  $forum_index = array(
+    'description' => 'Maintains denormalized information about node/term relationships.',
+    'fields' => array(
+      'nid' => array(
+        'description' => 'The {node}.nid this record tracks.',
+        'type' => 'int',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+        'default' => 0,
+      ),
+      'title' => array(
+        'description' => 'The title of this node, always treated as non-markup plain text.',
+        'type' => 'varchar',
+        'length' => 255,
+        'not null' => TRUE,
+        'default' => '',
+      ),
+      'tid' => array(
+         'description' => 'The term ID.',
+         'type' => 'int',
+         'unsigned' => TRUE,
+         'not null' => TRUE,
+         'default' => 0,
+      ),
+      'sticky' => array(
+        'description' => 'Boolean indicating whether the node is sticky.',
+        'type' => 'int',
+        'not null' => FALSE,
+        'default' => 0,
+        'size' => 'tiny',
+      ),
+      'created' => array(
+        'description' => 'The Unix timestamp when the node was created.',
+        'type' => 'int',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+        'default'=> 0,
+      ),
+      'last_comment_timestamp' => array(
+        'type' => 'int',
+        'not null' => TRUE,
+        'default' => 0,
+        'description' => 'The Unix timestamp of the last comment that was posted within this node, from {comment}.timestamp.',
+      ),
+      'comment_count' => array(
+        'type' => 'int',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+        'default' => 0,
+        'description' => 'The total number of comments on this node.',
+      ),
+    ),
+    'indexes' => array(
+      'forum_topics' => array('tid', 'sticky', 'last_comment_timestamp'),
+    ),
+    'foreign keys' => array(
+      'node' => 'nid',
+      'taxonomy_term_data' => 'tid',
+    ),
+  );
+  db_create_table($ret, 'forum_index', $forum_index);
+
+  db_query('INSERT INTO {forum_index} (SELECT n.nid, n.title, f.tid, n.sticky, n.created, ncs.last_comment_timestamp, ncs.comment_count FROM {node} n INNER JOIN {forum} f on n.vid = f.vid INNER JOIN {node_comment_statistics} ncs ON n.nid = ncs.nid)');
+
+  return $ret;
+}
diff --git a/modules/forum/forum.module b/modules/forum/forum.module
index 4c1b458ba6b202272646d8fbbf095a799104614f..71763191b81cfc51a0e4da11084782e8caddb93d 100644
--- a/modules/forum/forum.module
+++ b/modules/forum/forum.module
@@ -60,25 +60,6 @@ function forum_theme() {
   );
 }
 
-/**
- * Fetch a forum term.
- *
- * @param $tid
- *   The ID of the term which should be loaded.
- *
- * @return
- *   An associative array containing the term data or FALSE if the term cannot be loaded, or is not part of the forum vocabulary.
- */
-function forum_term_load($tid) {
-  return db_select('taxonomy_term_data', 't')
-    ->fields('t', array('tid', 'vid', 'name', 'description', 'weight'))
-    ->condition('tid', $tid)
-    ->condition('vid', variable_get('forum_nav_vocabulary', 0))
-    ->addTag('term_access')
-    ->execute()
-    ->fetchAssoc();
-}
-
 /**
  * Implement hook_menu().
  */
@@ -130,13 +111,13 @@ function forum_menu() {
     'parent' => 'admin/structure/forum',
     'file' => 'forum.admin.inc',
   );
-  $items['admin/structure/forum/edit/%forum_term'] = array(
+  $items['admin/structure/forum/edit/%taxonomy_term'] = array(
     'page callback' => 'forum_form_main',
     'access arguments' => array('administer forums'),
     'type' => MENU_CALLBACK,
     'file' => 'forum.admin.inc',
   );
-  $items['admin/structure/forum/edit/container/%forum_term'] = array(
+  $items['admin/structure/forum/edit/container/%taxonomy_term'] = array(
     'title' => 'Edit container',
     'page callback' => 'forum_form_main',
     'page arguments' => array('container', 5),
@@ -144,7 +125,7 @@ function forum_menu() {
     'type' => MENU_CALLBACK,
     'file' => 'forum.admin.inc',
   );
-  $items['admin/structure/forum/edit/forum/%forum_term'] = array(
+  $items['admin/structure/forum/edit/forum/%taxonomy_term'] = array(
     'title' => 'Edit forum',
     'page callback' => 'forum_form_main',
     'page arguments' => array('forum', 5),
@@ -164,28 +145,19 @@ function forum_init() {
 }
 
 /**
- * _forum_node_check_node_type
+ * Check whether a content type can be used in a forum.
+ *
+ * @param $node
+ *   A node object.
  *
- * @param mixed $node
- * @param mixed $vocabulary
- * @access protected
- * @return bool
+ * @return
+ *   Boolean indicating if the node can be assigned to a forum.
  */
-function _forum_node_check_node_type($node, $vocabulary) {
-  // We are going to return if $node->type is not one of the node
-  // types assigned to the forum vocabulary. If forum_nav_vocabulary
-  // is undefined or the vocabulary does not exist, it clearly cannot
-  // be assigned to $node->type, so return to avoid E_ALL warnings.
-  if (empty($vocabulary)) {
-    return FALSE;
-  }
+function _forum_node_check_node_type($node) {
+  // Fetch information about the forum field.
+  $field = field_info_instance('taxonomy_forums', $node->type);
 
-  // Operate only on node types assigned for the forum vocabulary.
-  if (!in_array($node->type, $vocabulary->nodes)) {
-    return FALSE;
-  }
-
-  return TRUE;
+  return is_array($field);
 }
 
 /**
@@ -194,24 +166,15 @@ function _forum_node_check_node_type($node, $vocabulary) {
 function forum_node_view($node, $build_mode) {
   $vid = variable_get('forum_nav_vocabulary', 0);
   $vocabulary = taxonomy_vocabulary_load($vid);
-  if (_forum_node_check_node_type($node, $vocabulary)) {
-    if ((bool)menu_get_object() && taxonomy_node_get_terms_by_vocabulary($node, $vid) && $tree = taxonomy_get_tree($vid)) {
-      // Get the forum terms from the (cached) tree
-      foreach ($tree as $term) {
-        $forum_terms[] = $term->tid;
-      }
-      foreach ($node->taxonomy as $term_id => $term) {
-        if (in_array($term_id, $forum_terms)) {
-          $node->tid = $term_id;
-        }
-      }
+  if (_forum_node_check_node_type($node)) {
+    if ((bool)menu_get_object()) {
       // Breadcrumb navigation
       $breadcrumb[] = l(t('Home'), NULL);
       $breadcrumb[] = l($vocabulary->name, 'forum');
-      if ($parents = taxonomy_get_parents_all($node->tid)) {
+      if ($parents = taxonomy_get_parents_all($node->forum_tid)) {
         $parents = array_reverse($parents);
-        foreach ($parents as $p) {
-          $breadcrumb[] = l($p->name, 'forum/' . $p->tid);
+        foreach ($parents as $parent) {
+          $breadcrumb[] = l($parent->name, 'forum/' . $parent->tid);
         }
       }
       drupal_set_breadcrumb($breadcrumb);
@@ -224,15 +187,10 @@ function forum_node_view($node, $build_mode) {
  * Implement hook_node_prepare().
  */
 function forum_node_prepare($node) {
-  $vid = variable_get('forum_nav_vocabulary', 0);
-  $vocabulary = taxonomy_vocabulary_load($vid);
-  if (_forum_node_check_node_type($node, $vocabulary)) {
+  if (_forum_node_check_node_type($node)) {
     if (empty($node->nid)) {
       // New topic
-      $node->taxonomy[arg(3)] = (object) array(
-        'vid' => $vid,
-        'tid' => arg(3),
-      );
+      $node->taxonomy_forums[0]['value'] =  arg(3);
     }
   }
 }
@@ -243,22 +201,20 @@ function forum_node_prepare($node) {
  * Check in particular that only a "leaf" term in the associated taxonomy.
  */
 function forum_node_validate($node, $form) {
-  $vid = variable_get('forum_nav_vocabulary', 0);
-  $vocabulary = taxonomy_vocabulary_load($vid);
-  if (_forum_node_check_node_type($node, $vocabulary)) {
+  if (_forum_node_check_node_type($node)) {
+    $langcode = $form['taxonomy_forums']['#language'];
     // vocabulary is selected, not a "container" term.
-    if ($node->taxonomy) {
+    if (!empty($node->taxonomy_forums[$langcode])) {
       // Extract the node's proper topic ID.
-      $vocabulary = $vid;
       $containers = variable_get('forum_containers', array());
-      foreach ($node->taxonomy as $term) {
-        $used = db_query_range('SELECT 1 FROM {taxonomy_term_data} WHERE tid = :tid AND vid = :vid', 0, 1, array(
-          ':tid' => $term,
-          ':vid' => $vocabulary,
+      foreach ($node->taxonomy_forums[$langcode] as $tid) {
+        $term = taxonomy_term_load($tid['value']);
+        $used = db_query_range('SELECT 1 FROM {taxonomy_term_data} WHERE tid = :tid AND vid = :vid',0 , 1, array(
+          ':tid' => $term->tid,
+          ':vid' => $term->vid,
         ))->fetchField();
-        if ($used && in_array($term, $containers)) {
-          $term = taxonomy_term_load($term);
-          form_set_error('taxonomy', t('The item %forum is only a container for forums. Please select one of the forums below it.', array('%forum' => $term->name)));
+        if ($used && in_array($term->tid, $containers)) {
+          form_set_error('taxonomy_forums', t('The item %forum is only a container for forums. Please select one of the forums below it.', array('%forum' => $term->name)));
         }
       }
     }
@@ -271,26 +227,16 @@ function forum_node_validate($node, $form) {
  * Assign forum taxonomy when adding a topic from within a forum.
  */
 function forum_node_presave($node) {
-  $vid = variable_get('forum_nav_vocabulary', 0);
-  $vocabulary = taxonomy_vocabulary_load($vid);
-  if (_forum_node_check_node_type($node, $vocabulary)) {
+  if (_forum_node_check_node_type($node)) {
     // Make sure all fields are set properly:
     $node->icon = !empty($node->icon) ? $node->icon : '';
-
-    if ($node->taxonomy && $tree = taxonomy_get_tree($vid)) {
-      // Get the forum terms from the (cached) tree if we have a taxonomy.
-      foreach ($tree as $term) {
-        $forum_terms[] = $term->tid;
-      }
-      foreach ($node->taxonomy as $term_id) {
-        if (in_array($term_id, $forum_terms)) {
-          $node->tid = $term_id;
-        }
-      }
+    $langcode = array_shift(array_keys($node->taxonomy_forums));
+    if (!empty($node->taxonomy_forums[$langcode])) {
+      $node->forum_tid = $node->taxonomy_forums[$langcode][0]['value'];
       $old_tid = db_query_range("SELECT f.tid FROM {forum} f INNER JOIN {node} n ON f.vid = n.vid WHERE n.nid = :nid ORDER BY f.vid DESC", 0, 1, array(':nid' => $node->nid))->fetchField();
-      if ($old_tid && isset($node->tid) && ($node->tid != $old_tid) && !empty($node->shadow)) {
+      if ($old_tid && isset($node->forum_tid) && ($node->forum_tid != $old_tid) && !empty($node->shadow)) {
         // A shadow copy needs to be created. Retain new term and add old term.
-        $node->taxonomy[] = $old_tid;
+        $node->taxonomy_forums[$langcode][] = array('value' => $old_tid);
       }
     }
   }
@@ -300,13 +246,11 @@ function forum_node_presave($node) {
  * Implement hook_node_update().
  */
 function forum_node_update($node) {
-  $vid = variable_get('forum_nav_vocabulary', 0);
-  $vocabulary = taxonomy_vocabulary_load($vid);
-  if (_forum_node_check_node_type($node, $vocabulary)) {
+  if (_forum_node_check_node_type($node)) {
     if (empty($node->revision) && db_query('SELECT tid FROM {forum} WHERE nid=:nid', array(':nid' => $node->nid))->fetchField()) {
-      if (!empty($node->tid)) {
+      if (!empty($node->forum_tid)) {
         db_update('forum')
-          ->fields(array('tid' => $node->tid))
+          ->fields(array('tid' => $node->forum_tid))
           ->condition('vid', $node->vid)
           ->execute();
       }
@@ -318,16 +262,31 @@ function forum_node_update($node) {
       }
     }
     else {
-      if (!empty($node->tid)) {
+      if (!empty($node->forum_tid)) {
         db_insert('forum')
           ->fields(array(
-            'tid' => $node->tid,
+            'tid' => $node->forum_tid,
             'vid' => $node->vid,
             'nid' => $node->nid,
           ))
           ->execute();
       }
     }
+    // If the node has a shadow forum topic, update the record for this
+    // revision.
+    if ($node->shadow) {
+      db_delete('forum')
+        ->condition('nid', $node->nid)
+        ->condition('vid', $node->vid)
+        ->execute();
+      db_insert('forum')
+        ->fields(array(
+          'nid' => $node->nid,
+          'vid' => $node->vid,
+          'tid' => $node->forum_tid,
+        ))
+        ->execute();
+     }
   }
 }
 
@@ -335,13 +294,11 @@ function forum_node_update($node) {
  * Implement hook_node_insert().
  */
 function forum_node_insert($node) {
-  $vid = variable_get('forum_nav_vocabulary', 0);
-  $vocabulary = taxonomy_vocabulary_load($vid);
-  if (_forum_node_check_node_type($node, $vocabulary)) {
-    if (!empty($node->tid)) {
+  if (_forum_node_check_node_type($node)) {
+    if (!empty($node->forum_tid)) {
       $nid = db_insert('forum')
         ->fields(array(
-          'tid' => $node->tid,
+          'tid' => $node->forum_tid,
           'vid' => $node->vid,
           'nid' => $node->nid,
         ))
@@ -354,34 +311,32 @@ function forum_node_insert($node) {
  * Implement hook_node_delete().
  */
 function forum_node_delete($node) {
-  $vid = variable_get('forum_nav_vocabulary', 0);
-  $vocabulary = taxonomy_vocabulary_load($vid);
-  if (_forum_node_check_node_type($node, $vocabulary)) {
+  if (_forum_node_check_node_type($node)) {
     db_delete('forum')
       ->condition('nid', $node->nid)
       ->execute();
+    db_delete('forum_index')
+      ->condition('nid', $node->nid)
+      ->execute();
   }
 }
 
 /**
  * Implement hook_node_load().
  */
-function forum_node_load($nodes, $types) {
-  $vid = variable_get('forum_nav_vocabulary', 0);
-  // If no forum vocabulary is set up, return.
-  if ($vid == '') {
-    return;
-  }
-  $vocabulary = taxonomy_vocabulary_load($vid);
-
+function forum_node_load($nodes) {
   $node_vids = array();
   foreach ($nodes as $node) {
-    if (isset($vocabulary->nodes[$node->type])) {
+    if (_forum_node_check_node_type($node)) {
       $node_vids[] = $node->vid;
     }
   }
   if (!empty($node_vids)) {
-    $result = db_query('SELECT nid, tid FROM {forum} WHERE vid IN(:node_vids)', array(':node_vids' => $node_vids));
+    $query = db_select('forum', 'f');
+    $query
+      ->fields('f', array('nid', 'tid'))
+      ->condition('f.vid', $node_vids);
+    $result = $query->execute();
     foreach ($result as $record) {
       $nodes[$record->nid]->forum_tid = $record->tid;
     }
@@ -418,26 +373,111 @@ function forum_permission() {
 /**
  * Implement hook_taxonomy().
  */
-function forum_taxonomy($op, $type, $term = NULL) {
-  if ($op == 'delete' && $term['vid'] == variable_get('forum_nav_vocabulary', 0)) {
-    switch ($type) {
-      case 'term':
-        $result = db_query('SELECT f.nid FROM {forum} f WHERE f.tid = :tid', array(':tid' => $term['tid']));
-        foreach ($result as $node) {
-          // node_delete will also remove any association with non-forum vocabularies.
-          node_delete($node->nid);
-        }
+function forum_taxonomy_term_delete($tid) {
+  // For containers, remove the tid from the forum_containers variable.
+  $containers = variable_get('forum_containers', array());
+  $key = array_search($tid, $containers);
+  if ($key !== FALSE) {
+    unset($containers[$key]);
+  }
+  variable_set('forum_containers', $containers);
+}
 
-        // For containers, remove the tid from the forum_containers variable.
-        $containers = variable_get('forum_containers', array());
-        $key = array_search($term['tid'], $containers);
-        if ($key !== FALSE) {
-          unset($containers[$key]);
+/**
+ * Implement hook_comment_publish().
+ *
+ * This actually handles the insert and update of published nodes since
+ * comment_save() calls hook_comment_publish() for all published comments.
+ */
+function forum_comment_publish($comment) {
+  _forum_update_forum_index($comment->nid);
+}
+
+/**
+ * Implement forum_comment_update().
+ *
+ * Comment module doesn't call hook_comment_unpublish() when saving individual
+ * comments so we need to check for those here.
+ */
+function forum_comment_update($comment) {
+  // comment_save() calls hook_comment_publish() for all published comments
+  // so we to handle all other values here.
+  if (!$comment->status) {
+    _forum_update_forum_index($comment->nid);
+  }
+}
+
+/**
+ * Implement forum_comment_unpublish() {
+ */
+function forum_comment_unpublish($comment) {
+  _forum_update_forum_index($comment->nid);
+}
+
+/**
+ * Implement forum_comment_delete().
+ */
+function forum_comment_delete($comment) {
+  _forum_update_forum_index($comment->nid);
+}
+
+/**
+ * Implement hook_field_attach_pre_insert().
+ */
+function forum_field_attach_pre_insert($obj_type, $object, $skip_fields) {
+  if ($obj_type == 'node' && $object->status && _forum_node_check_node_type($object)) {
+    $query = db_insert('forum_index')->fields(array('nid', 'title', 'tid', 'sticky', 'created', 'comment_count', 'last_comment_timestamp'));
+    foreach ($object->taxonomy_forums as $language) {
+      foreach ($language as $delta) {
+        $query->values(array(
+          'nid' => $object->nid,
+          'title' => $object->title,
+          'tid' => $delta['value'],
+          'sticky' => $object->sticky,
+          'created' => $object->created,
+          'comment_count' => 0,
+          'last_comment_timestamp' => $object->created,
+        ));
+      }
+    }
+    $query->execute();
+  }
+}
+
+/**
+ * Implement hook_field_attach_pre_update().
+ */
+function forum_field_attach_pre_update($obj_type, $object, $skip_fields) {
+  $first_call = &drupal_static(__FUNCTION__, array());
+
+  if ($obj_type == 'node' && $object->status && _forum_node_check_node_type($object)) {
+    // We don't maintain data for old revisions, so clear all previous values
+    // from the table. Since this hook runs once per field, per object, make
+    // sure we only wipe values once.
+    if (!isset($first_call[$object->nid])) {
+      $first_call[$object->nid] = FALSE;
+      db_delete('forum_index')->condition('nid', $object->nid)->execute();
+    }
+    // Only save data to the table if the node is published.
+    if ($object->status) {
+      $query = db_insert('forum_index')->fields(array('nid', 'title', 'tid', 'sticky', 'created', 'comment_count', 'last_comment_timestamp'));
+      foreach ($object->taxonomy_forums as $language) {
+        foreach ($language as $delta) {
+          $query->values(array(
+            'nid' => $object->nid,
+            'title' => $object->title,
+            'tid' => $delta['value'],
+            'sticky' => $object->sticky,
+            'created' => $object->created,
+            'comment_count' => 0,
+            'last_comment_timestamp' => $object->created,
+          ));
         }
-        variable_set('forum_containers', $containers);
-        break;
-      case 'vocabulary':
-        variable_del('forum_nav_vocabulary');
+      }
+      $query->execute();
+      // The logic for determining last_comment_count is fairly complex, so
+      // call _forum_update_forum_index() too.
+      _forum_update_forum_index($object->nid);
     }
   }
 }
@@ -454,13 +494,8 @@ function forum_form_alter(&$form, $form_state, $form_id) {
         '#markup' => t('This is the designated forum vocabulary. Some of the normal vocabulary options have been removed.'),
         '#weight' => -1,
       );
-      $form['content_types']['nodes']['#required'] = TRUE;
       $form['hierarchy'] = array('#type' => 'value', '#value' => 1);
-      $form['settings']['required'] = array('#type' => 'value', '#value' => FALSE);
-      $form['settings']['relations'] = array('#type' => 'value', '#value' => FALSE);
-      $form['settings']['tags'] = array('#type' => 'value', '#value' => FALSE);
-      $form['settings']['multiple'] = array('#type' => 'value', '#value' => FALSE);
-      unset($form['delete']);
+      $form['delete']['#access'] = FALSE;
     }
     // Hide multiple parents select from forum terms.
     elseif ($form_id == 'taxonomy_form_term') {
@@ -468,10 +503,10 @@ function forum_form_alter(&$form, $form_state, $form_id) {
     }
   }
   if ($form_id == 'forum_node_form') {
+    $langcode = $form['taxonomy_forums']['#language'];
     // Make the vocabulary required for 'real' forum-nodes.
-    $vid = variable_get('forum_nav_vocabulary', 0);
-    $form['taxonomy'][$vid]['#required'] = TRUE;
-    $form['taxonomy'][$vid]['#options'][''] = t('- Please choose -');
+    $form['taxonomy_forums'][$langcode]['#required'] = TRUE;
+    $form['taxonomy_forums'][$langcode]['#multiple'] = FALSE;
   }
 }
 
@@ -512,28 +547,21 @@ function forum_block_save($delta = '', $edit = array()) {
  * most recently added forum topics.
  */
 function forum_block_view($delta = '') {
-  $query = db_select('node', 'n');
-  $query->join('forum', 'f', 'f.vid = n.vid');
-  $query->join('taxonomy_term_data', 'td', 'td.tid = f.tid');
-  $query->join('node_comment_statistics', 'ncs', 'n.nid = ncs.nid');
-  $query
-    ->fields('n', array('nid', 'title'))
-    ->fields('ncs', array('comment_count', 'last_comment_timestamp'))
-    ->condition('n.status', 1)
-    ->condition('td.vid', variable_get('forum_nav_vocabulary', 0))
+  $query = db_select('forum_index', 'f')
+    ->fields('f')
     ->addTag('node_access');
   switch ($delta) {
     case 'active':
       $title = t('Active forum topics');
       $query
-        ->orderBy('ncs.last_comment_timestamp', 'DESC')
+        ->orderBy('f.last_comment_timestamp', 'DESC')
         ->range(0, variable_get('forum_block_num_active', '5'));
       break;
 
     case 'new':
       $title = t('New forum topics');
       $query
-        ->orderBy('n.nid', 'DESC')
+        ->orderBy('f.created', 'DESC')
         ->range(0, variable_get('forum_block_num_new', '5'));
       break;
   }
@@ -581,11 +609,11 @@ function forum_form($node, $form_state) {
   $form['title'] = array('#type' => 'textfield', '#title' => check_plain($type->title_label), '#default_value' => !empty($node->title) ? $node->title : '', '#required' => TRUE, '#weight' => -5);
 
   if (!empty($node->nid)) {
-    $vid = variable_get('forum_nav_vocabulary', 0);
-    $forum_terms = taxonomy_node_get_terms_by_vocabulary($node, $vid);
-    // if editing, give option to leave shadows
+    $forum_terms = $node->taxonomy_forums;
+    // If editing, give option to leave shadows
     $shadow = (count($forum_terms) > 1);
     $form['shadow'] = array('#type' => 'checkbox', '#title' => t('Leave shadow copy'), '#default_value' => $shadow, '#description' => t('If you move this topic, you can leave a link in the old forum to the new forum.'));
+    $form['forum_tid'] = array('#type' => 'value', '#value' => $node->forum_tid);
   }
 
   $form['#submit'][] = 'forum_submit';
@@ -667,7 +695,7 @@ function forum_get_forums($tid = 0) {
 
     $last_post = new stdClass();
     if (!empty($topic->last_comment_timestamp)) {
-      $last_post->timestamp = $topic->last_comment_timestamp;
+      $last_post->created = $topic->last_comment_timestamp;
       $last_post->name = $topic->last_comment_name;
       $last_post->uid = $topic->last_comment_uid;
     }
@@ -702,9 +730,9 @@ function forum_get_topics($tid, $sortby, $forum_per_page) {
 
   $forum_topic_list_header = array(
     NULL,
-    array('data' => t('Topic'), 'field' => 'n.title'),
-    array('data' => t('Replies'), 'field' => 'ncs.comment_count'),
-    array('data' => t('Last reply'), 'field' => 'ncs.last_comment_timestamp'),
+    array('data' => t('Topic'), 'field' => 'f.title'),
+    array('data' => t('Replies'), 'field' => 'f.comment_count'),
+    array('data' => t('Last reply'), 'field' => 'f.last_comment_timestamp'),
   );
 
   $order = _forum_get_topic_order($sortby);
@@ -714,48 +742,45 @@ function forum_get_topics($tid, $sortby, $forum_per_page) {
     }
   }
 
-  $query = db_select('node_comment_statistics', 'ncs')->extend('PagerDefault')->extend('TableSort');
-  $query->join('node', 'n', 'n.nid = ncs.nid');
-  $query->join('users', 'cu', 'ncs.last_comment_uid = cu.uid');
-  $query->join('forum', 'f', 'n.vid = f.vid AND f.tid = :tid', array(':tid' => $tid));
-  $query->join('users', 'u', 'n.uid = u.uid');
-  $query->addExpression('IF(ncs.last_comment_uid != 0, cu.name, ncs.last_comment_name)', 'last_comment_name');
-  $query->addField('n', 'created', 'timestamp');
-  $query->addField('n', 'comment', 'comment_mode');
-  $query->addField('ncs', 'comment_count', 'num_comments');
-  $query->addField('f', 'tid', 'forum_tid');
+  $query = db_select('forum_index', 'f')->extend('PagerDefault')->extend('TableSort');
+  $query->fields('f');
   $query
+    ->condition('f.tid', $tid)
     ->addTag('node_access')
-    ->fields('n', array('nid', 'title', 'type', 'sticky'))
-    ->fields('f', array('tid'))
-    ->fields('u', array('name', 'uid'))
-    ->fields('ncs', array('last_comment_timestamp', 'last_comment_uid'))
-    ->condition('n.status', 1)
-    ->orderBy('n.sticky', 'DESC')
+    ->orderBy('f.sticky', 'DESC')
     ->orderByHeader($forum_topic_list_header)
-    ->orderBy('n.created', 'DESC')
+    ->orderBy('f.last_comment_timestamp', 'DESC')
     ->limit($forum_per_page);
 
-  $count_query = db_select('node', 'n');
-  $count_query->join('forum', 'f', 'n.vid = f.vid AND f.tid = :tid', array(':tid' => $tid));
+  $count_query = db_select('forum_index', 'f');
+  $count_query->condition('f.tid', $tid);
   $count_query->addExpression('COUNT(*)');
-  $count_query
-    ->condition('n.status', 1)
-    ->addTag('node_access');
+  $count_query->addTag('node_access');
 
   $query->setCountQuery($count_query);
   $result = $query->execute();
+  $nids = array();
+  foreach ($result as $record) {
+    $nids[] = $record->nid;
+  }
+  if ($nids) {
+    $result = db_query("SELECT n.title, n.nid, n.sticky, n.created, n.uid, n.comment AS comment_mode, ncs.*, f.tid AS forum_tid, u.name, IF (ncs.last_comment_uid != 0, u2.name, ncs.last_comment_name) AS last_comment_name FROM {node} n INNER JOIN {node_comment_statistics} ncs ON n.nid = ncs.nid INNER JOIN {forum} f ON n.vid = f.vid INNER JOIN {users} u ON n.uid = u.uid INNER JOIN {users} u2 ON ncs.last_comment_uid = u2.uid WHERE n.nid IN (:nids)", array(':nids' => $nids));
+  }
+  else {
+    $result = array();
+  }
+
   $topics = array();
   foreach ($result as $topic) {
     if ($user->uid) {
       // folder is new if topic is new or there are new comments since last visit
-      if ($topic->tid != $tid) {
+      if ($topic->forum_tid != $tid) {
         $topic->new = 0;
       }
       else {
         $history = _forum_user_last_visit($topic->nid);
         $topic->new_replies = comment_num_new($topic->nid, $history);
-        $topic->new = $topic->new_replies || ($topic->timestamp > $history);
+        $topic->new = $topic->new_replies || ($topic->last_comment_timestamp > $history);
       }
     }
     else {
@@ -764,9 +789,9 @@ function forum_get_topics($tid, $sortby, $forum_per_page) {
       $topic->new = 0;
     }
 
-    if ($topic->num_comments > 0) {
+    if ($topic->comment_count > 0) {
       $last_reply = new stdClass();
-      $last_reply->timestamp = $topic->last_comment_timestamp;
+      $last_reply->created = $topic->last_comment_timestamp;
       $last_reply->name = $topic->last_comment_name;
       $last_reply->uid = $topic->last_comment_uid;
       $topic->last_reply = $last_reply;
@@ -820,8 +845,9 @@ function template_preprocess_forums(&$variables) {
     // Format the "post new content" links listing.
     $forum_types = array();
 
-    // Loop through all node types for forum vocabulary.
-    foreach ($vocabulary->nodes as $type) {
+    // Loop through all bundles for forum taxonomy vocabulary field.
+    $field = field_info_field('taxonomy_' . $vocabulary->machine_name);
+    foreach ($field['bundles'] as $type) {
       // Check if the current user has the 'create' permission for this node type.
       if (node_access('create', $type)) {
         // Fetch the "General" name of the content type;
@@ -951,14 +977,14 @@ function template_preprocess_forum_topic_list(&$variables) {
   if (!empty($variables['topics'])) {
     $row = 0;
     foreach ($variables['topics'] as $id => $topic) {
-      $variables['topics'][$id]->icon = theme('forum_icon', $topic->new, $topic->num_comments, $topic->comment_mode, $topic->sticky);
+      $variables['topics'][$id]->icon = theme('forum_icon', $topic->new, $topic->comment_count, $topic->comment_mode, $topic->sticky);
       $variables['topics'][$id]->zebra = $row % 2 == 0 ? 'odd' : 'even';
       $row++;
 
       // We keep the actual tid in forum table, if it's different from the
       // current tid then it means the topic appears in two forums, one of
       // them is a shadow copy.
-      if ($topic->forum_tid != $variables['tid']) {
+      if ($variables['tid'] != $topic->forum_tid) {
         $variables['topics'][$id]->moved = TRUE;
         $variables['topics'][$id]->title = check_plain($topic->title);
         $variables['topics'][$id]->message = l(t('This topic has been moved'), "forum/$topic->forum_tid");
@@ -968,6 +994,7 @@ function template_preprocess_forum_topic_list(&$variables) {
         $variables['topics'][$id]->title = l($topic->title, "node/$topic->nid");
         $variables['topics'][$id]->message = '';
       }
+      $topic->uid = $topic->last_comment_uid ? $topic->last_comment_uid : $topic->uid;
       $variables['topics'][$id]->created = theme('forum_submitted', $topic);
       $variables['topics'][$id]->last_reply = theme('forum_submitted', isset($topic->last_reply) ? $topic->last_reply : NULL);
 
@@ -1031,7 +1058,7 @@ function template_preprocess_forum_icon(&$variables) {
  */
 function template_preprocess_forum_submitted(&$variables) {
   $variables['author'] = isset($variables['topic']->uid) ? theme('username', $variables['topic']) : '';
-  $variables['time'] = isset($variables['topic']->timestamp) ? format_interval(REQUEST_TIME - $variables['topic']->timestamp) : '';
+  $variables['time'] = isset($variables['topic']->created) ? format_interval(REQUEST_TIME - $variables['topic']->created) : '';
 }
 
 function _forum_user_last_visit($nid) {
@@ -1063,3 +1090,42 @@ function _forum_get_topic_order($sortby) {
       break;
   }
 }
+
+/**
+ * Updates the taxonomy index for a given node.
+ *
+ * @param $nid
+ *   The ID of the node to update.
+ */
+function _forum_update_forum_index($nid) {
+  $count = db_query('SELECT COUNT(cid) FROM {comment} WHERE nid = :nid AND status = :status', array(
+    ':nid' => $nid,
+    ':status' => COMMENT_PUBLISHED,
+  ))->fetchField();
+
+  if ($count > 0) {
+    // Comments exist.
+    $last_reply = db_query_range('SELECT cid, name, timestamp, uid FROM {comment} WHERE nid = :nid AND status = :status ORDER BY cid DESC', array(
+      ':nid' => $nid,
+      ':status' => COMMENT_PUBLISHED,
+    ), 0, 1)->fetchObject();
+    db_update('forum_index')
+      ->fields( array(
+        'comment_count' => $count,
+        'last_comment_timestamp' => $last_reply->timestamp,
+      ))
+      ->condition('nid', $nid)
+      ->execute();
+  }
+  else {
+    // Comments do not exist.
+    $node = db_query('SELECT uid, created FROM {node} WHERE nid = :nid', array(':nid' => $nid))->fetchObject();
+    db_update('forum_index')
+      ->fields( array(
+        'comment_count' => 0,
+        'last_comment_timestamp' => $node->created,
+      ))
+      ->condition('nid', $nid)
+      ->execute();
+  }
+}
diff --git a/modules/forum/forum.test b/modules/forum/forum.test
index 30ddf36ffb34e1e5968ab48a4fda6df9dee7f4d3..4496949b9713fd393cc489d5656ea82abdee7690 100644
--- a/modules/forum/forum.test
+++ b/modules/forum/forum.test
@@ -131,8 +131,7 @@ class ForumTestCase extends DrupalWebTestCase {
     $edit = array(
       'name' => $title,
       'description' => $description,
-      'machine_name' => drupal_strtolower($this->randomName()),
-      'help' => '',
+      'machine_name' => drupal_strtolower(drupal_substr($this->randomName(), 3, 9)),
     );
 
     // Edit the vocabulary.
@@ -251,7 +250,7 @@ class ForumTestCase extends DrupalWebTestCase {
     $edit = array(
       'title' => $title,
       "body[$langcode][0][value]" => $body,
-      'taxonomy[1]' => $tid
+      "taxonomy_forums[$langcode][value]" => $tid,
     );
 
     // TODO The taxonomy select value is set by drupal code when the tid is part
@@ -341,7 +340,7 @@ class ForumTestCase extends DrupalWebTestCase {
       $langcode = FIELD_LANGUAGE_NONE;
       $edit["body[$langcode][0][value]"] = $this->randomName(256);
       // Assume the topic is initially associated with $forum.
-      $edit['taxonomy[1]'] = $this->root_forum['tid'];
+      $edit["taxonomy_forums[$langcode][value]"] = $this->root_forum['tid'];
       $edit['shadow'] = TRUE;
       $this->drupalPost('node/' . $node->nid . '/edit', $edit, t('Save'));
       $this->assertRaw(t('Forum topic %title has been updated.', array('%title' => $edit['title'])), t('Forum node was edited'));
diff --git a/modules/node/node.pages.inc b/modules/node/node.pages.inc
index 60804ff45ff355d26a17ab38a511f7dc5759cefe..82b6c9628e4060e17122a3970119a740b15b3b88 100644
--- a/modules/node/node.pages.inc
+++ b/modules/node/node.pages.inc
@@ -85,7 +85,7 @@ function node_object_prepare($node) {
   // If this is a new node, fill in the default values.
   if (!isset($node->nid)) {
     foreach (array('status', 'promote', 'sticky') as $key) {
-      $node->$key = in_array($key, $node_options);
+      $node->$key = (int) in_array($key, $node_options);
     }
     global $user;
     $node->uid = $user->uid;
@@ -543,9 +543,6 @@ function node_revision_revert_confirm_submit($form, &$form_state) {
   $node_revision = $form['#node_revision'];
   $node_revision->revision = 1;
   $node_revision->log = t('Copy of the revision from %date.', array('%date' => format_date($node_revision->revision_timestamp)));
-  if (module_exists('taxonomy')) {
-    $node_revision->taxonomy = array_keys($node_revision->taxonomy);
-  }
 
   node_save($node_revision);
 
diff --git a/modules/simpletest/tests/common.test b/modules/simpletest/tests/common.test
index 25d51d4d73f2eb923c425248f5b7ac38bcdd6006..35c8bf52fb9427ea2f4244efee8d8869c792cb95 100644
--- a/modules/simpletest/tests/common.test
+++ b/modules/simpletest/tests/common.test
@@ -1355,14 +1355,15 @@ class DrupalDataApiTest extends DrupalWebTestCase {
     $this->assertTrue($update_result == SAVED_UPDATED, t('Correct value returned when a record updated with drupal_write_record() for table with single-field primary key.'));
 
     // Insert an object record for a table with a multi-field primary key.
-    $vocabulary_node_type = new stdClass();
-    $vocabulary_node_type->vid = $vocabulary->vid;
-    $vocabulary_node_type->type = 'page';
-    $insert_result = drupal_write_record('taxonomy_vocabulary_node_type', $vocabulary_node_type);
+    $node_access = new stdClass();
+    $node_access->nid = mt_rand();
+    $node_access->gid = mt_rand();
+    $node_access->realm = $this->randomName();
+    $insert_result = drupal_write_record('node_access', $node_access);
     $this->assertTrue($insert_result == SAVED_NEW, t('Correct value returned when a record is inserted with drupal_write_record() for a table with a multi-field primary key.'));
 
     // Update the record.
-    $update_result = drupal_write_record('taxonomy_vocabulary_node_type', $vocabulary_node_type, array('vid', 'type'));
+    $update_result = drupal_write_record('node_access', $node_access, array('nid', 'gid', 'realm'));
     $this->assertTrue($update_result == SAVED_UPDATED, t('Correct value returned when a record is updated with drupal_write_record() for a table with a multi-field primary key.'));
   }
 
diff --git a/modules/taxonomy/taxonomy.admin.inc b/modules/taxonomy/taxonomy.admin.inc
index b7cd4aba60bdc335d8b31e4da045cd28ae7eff19..edd021980640cd26eb9383a79a9687c3b623975f 100644
--- a/modules/taxonomy/taxonomy.admin.inc
+++ b/modules/taxonomy/taxonomy.admin.inc
@@ -17,14 +17,8 @@ function taxonomy_overview_vocabularies($form) {
   $vocabularies = taxonomy_get_vocabularies();
   $form['#tree'] = TRUE;
   foreach ($vocabularies as $vocabulary) {
-    $types = array();
-    foreach ($vocabulary->nodes as $type) {
-      $node_type = node_type_get_name($type);
-      $types[] = $node_type ? check_plain($node_type) : check_plain($type);
-    }
     $form[$vocabulary->vid]['#vocabulary'] = $vocabulary;
     $form[$vocabulary->vid]['name'] = array('#markup' => check_plain($vocabulary->name));
-    $form[$vocabulary->vid]['types'] = array('#markup' => implode(', ', $types));
     $form[$vocabulary->vid]['weight'] = array('#type' => 'weight', '#delta' => 10, '#default_value' => $vocabulary->weight);
     $form[$vocabulary->vid]['edit'] = array('#markup' => l(t('edit vocabulary'), "admin/structure/taxonomy/$vocabulary->vid"));
     $form[$vocabulary->vid]['list'] = array('#markup' => l(t('list terms'), "admin/structure/taxonomy/$vocabulary->vid/list"));
@@ -71,7 +65,6 @@ function theme_taxonomy_overview_vocabularies($form) {
 
       $row = array();
       $row[] = drupal_render($vocabulary['name']);
-      $row[] = drupal_render($vocabulary['types']);
       if (isset($vocabulary['weight'])) {
         $vocabulary['weight']['#attributes']['class'] = array('vocabulary-weight');
         $row[] = drupal_render($vocabulary['weight']);
@@ -87,7 +80,7 @@ function theme_taxonomy_overview_vocabularies($form) {
     $rows[] = array(array('data' => t('No vocabularies available. <a href="@link">Add vocabulary</a>.', array('@link' => url('admin/structure/taxonomy/add'))), 'colspan' => '5'));
   }
 
-  $header = array(t('Vocabulary name'), t('Content types'));
+  $header = array(t('Vocabulary name'));
   if (isset($form['submit'])) {
     $header[] = t('Weight');
     drupal_add_tabledrag('taxonomy', 'order', 'sibling', 'vocabulary-weight');
@@ -110,12 +103,7 @@ function taxonomy_form_vocabulary($form, &$form_state, $edit = array()) {
     'name' => '',
     'machine_name' => '',
     'description' => '',
-    'help' => '',
-    'nodes' => array(),
     'hierarchy' => 0,
-    'tags' => 0,
-    'multiple' => 0,
-    'required' => 0,
     'weight' => 0,
   );
   $form['#vocabulary'] = (object) $edit;
@@ -155,47 +143,11 @@ function taxonomy_form_vocabulary($form, &$form_state, $edit = array()) {
       'js' => array(drupal_get_path('module', 'system') . '/system.js', $js_settings),
     ),
   );
-  $form['help'] = array(
-    '#type' => 'textfield',
-    '#title' => t('Help text'),
-    '#maxlength' => 255,
-    '#default_value' => $edit['help'],
-    '#description' => t('Instructions to present to the user when selecting terms, e.g., <em>"Enter a comma separated list of words"</em>.'),
-  );
   $form['description'] = array(
     '#type' => 'textfield',
     '#title' => t('Description'),
     '#default_value' => $edit['description'],
   );
-  $form['nodes'] = array(
-    '#type' => 'checkboxes',
-    '#title' => t('Apply to content types'),
-    '#default_value' => $edit['nodes'],
-    '#options' => array_map('check_plain', node_type_get_names()),
-  );
-  $form['settings'] = array(
-    '#type' => 'fieldset',
-    '#title' => t('Settings'),
-    '#collapsible' => TRUE,
-  );
-  $form['settings']['tags'] = array(
-    '#type' => 'checkbox',
-    '#title' => t('Tags'),
-    '#default_value' => $edit['tags'],
-    '#description' => t('Terms are created by users when submitting posts by typing a comma separated list.'),
-  );
-  $form['settings']['multiple'] = array(
-    '#type' => 'checkbox',
-    '#title' => t('Multiple select'),
-    '#default_value' => $edit['multiple'],
-    '#description' => t('Allows posts to have more than one term from this vocabulary (always true for tags).'),
-  );
-  $form['settings']['required'] = array(
-    '#type' => 'checkbox',
-    '#title' => t('Required'),
-    '#default_value' => $edit['required'],
-    '#description' => t('At least one term in this vocabulary must be selected when submitting a post.'),
-  );
   // Set the hierarchy to "multiple parents" by default. This simplifies the
   // vocabulary form and standardizes the term form.
   $form['hierarchy'] = array(
@@ -225,6 +177,11 @@ function taxonomy_form_vocabulary_validate($form, &$form_state) {
     if (!preg_match('!^[a-z0-9_]+$!', $form_state['values']['machine_name'])) {
       form_set_error('machine_name', t('The machine-readable name must contain only lowercase letters, numbers, and underscores.'));
     }
+    // Restrict machine names to 21 characters to avoid exceeding the limit
+    // for field names.
+    if (drupal_strlen($machine_name) > 21) {
+      form_set_error('machine_name', t('The machine-readable name must not exceed 21 characters.'));
+    }
 
     // Do not allow duplicate machine names.
     $vocabularies = taxonomy_get_vocabularies();
@@ -246,8 +203,6 @@ function taxonomy_form_vocabulary_submit($form, &$form_state) {
     $form_state['confirm_delete'] = TRUE;
     return;
   }
-  // Fix up the nodes array to remove unchecked nodes.
-  $form_state['values']['nodes'] = array_filter($form_state['values']['nodes']);
   $vocabulary = (object) $form_state['values'];
   if ($vocabulary->machine_name != $old_vocabulary->machine_name) {
     field_attach_rename_bundle($old_vocabulary->machine_name, $vocabulary->machine_name);
@@ -306,106 +261,71 @@ function taxonomy_overview_terms($form, &$form_state, $vocabulary) {
   // An array of the terms to be displayed on this page.
   $current_page = array();
 
-  // Case for free tagging.
-  if ($vocabulary->tags) {
-    // We are not calling taxonomy_get_tree because that might fail with a big
-    // number of tags in the freetagging vocabulary.
-    $query = db_select('taxonomy_term_data', 't')->extend('PagerDefault');
-    $query->join('taxonomy_term_hierarchy', 'h', 't.tid = h.tid');
-    $query->addTag('term_access');
-    $query->condition('t.vid', $vocabulary->vid);
-
-    // Store count in total entries and use this as count query.
-    $count_query = db_select('taxonomy_term_data', 't');
-    $count_query->join('taxonomy_term_hierarchy', 'h', 't.tid = h.tid');
-    $count_query->addTag('term_access');
-    $count_query->condition('t.vid', $vocabulary->vid);
-    $count_query->addExpression('COUNT(t.tid)');
-    $total_entries = $count_query->execute();
-    $query->setCountQuery($count_query);
-
-    $result = $query
-      ->fields('t')
-      ->fields('h', array('parent'))
-      ->orderBy('weight')
-      ->orderBy('name')
-      ->limit($page_increment)
-      ->execute();
-
-    foreach ($result as $term) {
-      $key = 'tid:' . $term->tid . ':0';
-      $current_page[$key] = $term;
-      $page_entries++;
+  $term_deltas = array();
+  $tree = taxonomy_get_tree($vocabulary->vid);
+  $term = current($tree);
+  do {
+    // In case this tree is completely empty.
+    if (empty($term)) {
+      break;
+    }
+    // Count entries before the current page.
+    if ($page && ($page * $page_increment) > $before_entries && !isset($back_peddle)) {
+      $before_entries++;
+      continue;
+    }
+    // Count entries after the current page.
+    elseif ($page_entries > $page_increment && isset($complete_tree)) {
+      $after_entries++;
+      continue;
     }
-  }
-  // Case for restricted vocabulary.
-  else {
-    $term_deltas = array();
-    $tree = taxonomy_get_tree($vocabulary->vid);
-    $term = current($tree);
-    do {
-      // In case this tree is completely empty.
-      if (empty($term)) {
-        break;
-      }
-      // Count entries before the current page.
-      if ($page && ($page * $page_increment) > $before_entries && !isset($back_peddle)) {
-        $before_entries++;
-        continue;
-      }
-      // Count entries after the current page.
-      elseif ($page_entries > $page_increment && isset($complete_tree)) {
-        $after_entries++;
-        continue;
-      }
 
-      // Do not let a term start the page that is not at the root.
-      if (isset($term->depth) && ($term->depth > 0) && !isset($back_peddle)) {
-        $back_peddle = 0;
-        while ($pterm = prev($tree)) {
-          $before_entries--;
-          $back_peddle++;
-          if ($pterm->depth == 0) {
-            prev($tree);
-            continue 2; // Jump back to the start of the root level parent.
-          }
-        }
-      }
-      $back_peddle = isset($back_peddle) ? $back_peddle : 0;
-
-      // Continue rendering the tree until we reach the a new root item.
-      if ($page_entries >= $page_increment + $back_peddle + 1 && $term->depth == 0 && $root_entries > 1) {
-        $complete_tree = TRUE;
-        // This new item at the root level is the first item on the next page.
-        $after_entries++;
-        continue;
-      }
-      if ($page_entries >= $page_increment + $back_peddle) {
-        $forward_peddle++;
+    // Do not let a term start the page that is not at the root.
+    if (isset($term->depth) && ($term->depth > 0) && !isset($back_peddle)) {
+      $back_peddle = 0;
+      while ($pterm = prev($tree)) {
+        $before_entries--;
+        $back_peddle++;
+        if ($pterm->depth == 0) {
+          prev($tree);
+          continue 2; // Jump back to the start of the root level parent.
+       }
       }
+    }
+    $back_peddle = isset($back_peddle) ? $back_peddle : 0;
+
+    // Continue rendering the tree until we reach the a new root item.
+    if ($page_entries >= $page_increment + $back_peddle + 1 && $term->depth == 0 && $root_entries > 1) {
+      $complete_tree = TRUE;
+      // This new item at the root level is the first item on the next page.
+      $after_entries++;
+      continue;
+    }
+    if ($page_entries >= $page_increment + $back_peddle) {
+      $forward_peddle++;
+    }
 
-      // Finally, if we've gotten down this far, we're rendering a term on this page.
-      $page_entries++;
-      $term_deltas[$term->tid] = isset($term_deltas[$term->tid]) ? $term_deltas[$term->tid] + 1 : 0;
-      $key = 'tid:' . $term->tid . ':' . $term_deltas[$term->tid];
+    // Finally, if we've gotten down this far, we're rendering a term on this page.
+    $page_entries++;
+    $term_deltas[$term->tid] = isset($term_deltas[$term->tid]) ? $term_deltas[$term->tid] + 1 : 0;
+    $key = 'tid:' . $term->tid . ':' . $term_deltas[$term->tid];
 
-      // Keep track of the first term displayed on this page.
-      if ($page_entries == 1) {
-        $form['#first_tid'] = $term->tid;
-      }
-      // Keep a variable to make sure at least 2 root elements are displayed.
-      if ($term->parents[0] == 0) {
-        $root_entries++;
-      }
-      $current_page[$key] = $term;
-    } while ($term = next($tree));
+    // Keep track of the first term displayed on this page.
+    if ($page_entries == 1) {
+      $form['#first_tid'] = $term->tid;
+    }
+    // Keep a variable to make sure at least 2 root elements are displayed.
+    if ($term->parents[0] == 0) {
+      $root_entries++;
+    }
+    $current_page[$key] = $term;
+  } while ($term = next($tree));
 
-    // Because we didn't use a pager query, set the necessary pager variables.
-    $total_entries = $before_entries + $page_entries + $after_entries;
-    $pager_total_items[0] = $total_entries;
-    $pager_page_array[0] = $page;
-    $pager_total[0] = ceil($total_entries / $page_increment);
-  }
+  // Because we didn't use a pager query, set the necessary pager variables.
+  $total_entries = $before_entries + $page_entries + $after_entries;
+  $pager_total_items[0] = $total_entries;
+  $pager_page_array[0] = $page;
+  $pager_total[0] = ceil($total_entries / $page_increment);
 
   // If this form was already submitted once, it's probably hit a validation
   // error. Ensure the form is rebuilt in the same order as the user submitted.
@@ -433,7 +353,7 @@ function taxonomy_overview_terms($form, &$form_state, $vocabulary) {
     }
 
     $form[$key]['view'] = array('#markup' => l($term->name, "taxonomy/term/$term->tid"));
-    if (!$vocabulary->tags && $vocabulary->hierarchy < 2 && count($tree) > 1) {
+    if ($vocabulary->hierarchy < 2 && count($tree) > 1) {
       $form['#parent_fields'] = TRUE;
       $form[$key]['tid'] = array(
         '#type' => 'hidden',
@@ -460,7 +380,7 @@ function taxonomy_overview_terms($form, &$form_state, $vocabulary) {
   $form['#forward_peddle'] = $forward_peddle;
   $form['#empty_text'] = t('No terms available. <a href="@link">Add term</a>.', array('@link' => url('admin/structure/taxonomy/' . $vocabulary->vid . '/list/add')));
 
-  if (!$vocabulary->tags && $vocabulary->hierarchy < 2 && count($tree) > 1) {
+  if ($vocabulary->hierarchy < 2 && count($tree) > 1) {
     $form['submit'] = array(
       '#type' => 'submit',
       '#value' => t('Save')
@@ -690,7 +610,6 @@ function taxonomy_form_term($form, &$form_state, $vocabulary, $edit = array()) {
   $form['#term'] = $edit;
   $form['#term']['parent'] = $parent;
   $form['#vocabulary'] = $vocabulary;
-  $form['#vocabulary']->nodes = drupal_map_assoc($vocabulary->nodes);
   $form['#builder_function'] = 'taxonomy_form_term_submit_builder';
 
   // Check for confirmation forms.
@@ -747,7 +666,7 @@ function taxonomy_form_term($form, &$form_state, $vocabulary, $edit = array()) {
     }
     $exclude[] = $edit['tid'];
 
-    $form['advanced']['parent'] = _taxonomy_term_select(t('Parents'), $parent, $vocabulary->vid, t('Parent terms') . '.', 1, '<' . t('root') . '>', $exclude);
+    $form['advanced']['parent'] = _taxonomy_term_select(t('Parents'), $parent, $vocabulary->vid, t('Parent terms') . '.', '<' . t('root') . '>', $exclude);
   }
   $form['advanced']['synonyms'] = array(
     '#type' => 'textarea',
@@ -814,7 +733,7 @@ function taxonomy_form_term_submit($form, &$form_state) {
     return;
   }
   // Rebuild the form to confirm enabling multiple parents.
-  elseif ($form_state['clicked_button']['#value'] == t('Save') && !$form['#vocabulary']->tags && count($form_state['values']['parent']) > 1 && $form['#vocabulary']->hierarchy < 2) {
+  elseif ($form_state['clicked_button']['#value'] == t('Save') && count($form_state['values']['parent']) > 1 && $form['#vocabulary']->hierarchy < 2) {
     $form_state['rebuild'] = TRUE;
     $form_state['confirm_parents'] = TRUE;
     return;
@@ -834,26 +753,24 @@ function taxonomy_form_term_submit($form, &$form_state) {
       break;
   }
 
-  if (!$form['#vocabulary']->tags) {
-    $current_parent_count = count($form_state['values']['parent']);
-    $previous_parent_count = count($form['#term']['parent']);
-    // Root doesn't count if it's the only parent.
-    if ($current_parent_count == 1 && isset($form_state['values']['parent'][0])) {
-      $current_parent_count = 0;
-      $form_state['values']['parent'] = array();
-    }
+  $current_parent_count = count($form_state['values']['parent']);
+  $previous_parent_count = count($form['#term']['parent']);
+  // Root doesn't count if it's the only parent.
+  if ($current_parent_count == 1 && isset($form_state['values']['parent'][0])) {
+    $current_parent_count = 0;
+    $form_state['values']['parent'] = array();
+  }
 
-    // If the number of parents has been reduced to one or none, do a check on the
-    // parents of every term in the vocabulary value.
-    if ($current_parent_count < $previous_parent_count && $current_parent_count < 2) {
-      taxonomy_check_vocabulary_hierarchy($form['#vocabulary'], $form_state['values']);
-    }
-    // If we've increased the number of parents and this is a single or flat
-    // hierarchy, update the vocabulary immediately.
-    elseif ($current_parent_count > $previous_parent_count && $form['#vocabulary']->hierarchy < 2) {
-      $form['#vocabulary']->hierarchy = $current_parent_count == 1 ? 1 : 2;
-      taxonomy_vocabulary_save($form['#vocabulary']);
-    }
+  // If the number of parents has been reduced to one or none, do a check on the
+  // parents of every term in the vocabulary value.
+  if ($current_parent_count < $previous_parent_count && $current_parent_count < 2) {
+    taxonomy_check_vocabulary_hierarchy($form['#vocabulary'], $form_state['values']);
+  }
+  // If we've increased the number of parents and this is a single or flat
+  // hierarchy, update the vocabulary immediately.
+  elseif ($current_parent_count > $previous_parent_count && $form['#vocabulary']->hierarchy < 2) {
+    $form['#vocabulary']->hierarchy = $current_parent_count == 1 ? 1 : 2;
+    taxonomy_vocabulary_save($form['#vocabulary']);
   }
 
   $form_state['tid'] = $term->tid;
diff --git a/modules/taxonomy/taxonomy.install b/modules/taxonomy/taxonomy.install
index 5aaaa4ef2ffa1b02ded004d403652f5fb5357d25..5fd904cf4f09aedfc12c3e36338f66141a84dfe5 100644
--- a/modules/taxonomy/taxonomy.install
+++ b/modules/taxonomy/taxonomy.install
@@ -93,42 +93,6 @@ function taxonomy_schema() {
     'primary key' => array('tid', 'parent'),
   );
 
-  $schema['taxonomy_term_node'] = array(
-    'description' => 'Stores the relationship of terms to nodes.',
-    'fields' => array(
-      'nid' => array(
-        'type' => 'int',
-        'unsigned' => TRUE,
-        'not null' => TRUE,
-        'default' => 0,
-        'description' => 'Primary Key: The {node}.nid of the node.',
-      ),
-      'vid' => array(
-        'type' => 'int',
-        'unsigned' => TRUE,
-        'not null' => TRUE,
-        'default' => 0,
-        'description' => 'Primary Key: The {node}.vid of the node.',
-      ),
-      'tid' => array(
-        'type' => 'int',
-        'unsigned' => TRUE,
-        'not null' => TRUE,
-        'default' => 0,
-        'description' => 'Primary Key: The {taxonomy_term_data}.tid of a term assigned to the node.',
-      ),
-    ),
-    'indexes' => array(
-      'vid' => array('vid'),
-      'nid' => array('nid'),
-    ),
-    'foreign keys' => array(
-      'nid' => array('node' => 'nid'),
-      'vid' => array('node' => 'vid'),
-      'tid' => array('taxonomy_term_data' => 'tid'),
-    ),
-    'primary key' => array('tid', 'vid'),
-  );
   $schema['taxonomy_term_synonym'] = array(
     'description' => 'Stores term synonyms.',
     'fields' => array(
@@ -191,13 +155,6 @@ function taxonomy_schema() {
         'size' => 'big',
         'description' => 'Description of the vocabulary.',
       ),
-      'help' => array(
-        'type' => 'varchar',
-        'length' => 255,
-        'not null' => TRUE,
-        'default' => '',
-        'description' => 'Help text to display for the vocabulary.',
-      ),
       'relations' => array(
         'type' => 'int',
         'unsigned' => TRUE,
@@ -214,30 +171,6 @@ function taxonomy_schema() {
         'size' => 'tiny',
         'description' => 'The type of hierarchy allowed within the vocabulary. (0 = disabled, 1 = single, 2 = multiple)',
       ),
-      'multiple' => array(
-        'type' => 'int',
-        'unsigned' => TRUE,
-        'not null' => TRUE,
-        'default' => 0,
-        'size' => 'tiny',
-        'description' => 'Whether or not multiple terms from this vocabulary may be assigned to a node. (0 = disabled, 1 = enabled)',
-      ),
-      'required' => array(
-        'type' => 'int',
-        'unsigned' => TRUE,
-        'not null' => TRUE,
-        'default' => 0,
-        'size' => 'tiny',
-        'description' => 'Whether or not terms are required for nodes using this vocabulary. (0 = disabled, 1 = enabled)',
-      ),
-      'tags' => array(
-        'type' => 'int',
-        'unsigned' => TRUE,
-        'not null' => TRUE,
-        'default' => 0,
-        'size' => 'tiny',
-        'description' => 'Whether or not free tagging is enabled for the vocabulary. (0 = disabled, 1 = enabled)',
-      ),
       'module' => array(
         'type' => 'varchar',
         'length' => 255,
@@ -250,7 +183,7 @@ function taxonomy_schema() {
         'not null' => TRUE,
         'default' => 0,
         'size' => 'tiny',
-        'description' => 'The weight of the vocabulary in relation to other vocabularies.',
+        'description' => 'The weight of this vocabulary in relation to other vocabularies.',
       ),
     ),
     'primary key' => array('vid'),
@@ -259,30 +192,44 @@ function taxonomy_schema() {
     ),
   );
 
-  $schema['taxonomy_vocabulary_node_type'] = array(
-    'description' => 'Stores which node types vocabularies may be used with.',
+  $schema['taxonomy_index'] = array(
+    'description' => 'Maintains denormalized information about node/term relationships.',
     'fields' => array(
-      'vid' => array(
+      'nid' => array(
+        'description' => 'The {node}.nid this record tracks.',
         'type' => 'int',
         'unsigned' => TRUE,
         'not null' => TRUE,
         'default' => 0,
-        'description' => 'Primary Key: the {taxonomy_vocabulary}.vid of the vocabulary.',
       ),
-      'type' => array(
-        'type' => 'varchar',
-        'length' => 32,
+      'tid' => array(
+         'description' => 'The term ID.',
+         'type' => 'int',
+         'unsigned' => TRUE,
+         'not null' => TRUE,
+         'default' => 0,
+      ),
+      'sticky' => array(
+        'description' => 'Boolean indicating whether the node is sticky.',
+        'type' => 'int',
+        'not null' => FALSE,
+        'default' => 0,
+        'size' => 'tiny',
+      ),
+      'created' => array(
+        'description' => 'The Unix timestamp when the node was created.',
+        'type' => 'int',
+        'unsigned' => TRUE,
         'not null' => TRUE,
-        'default' => '',
-        'description' => 'The {node}.type of the node type for which the vocabulary may be used.',
+        'default'=> 0,
       ),
     ),
-    'primary key' => array('type', 'vid'),
     'indexes' => array(
-      'vid' => array('vid'),
+      'term_node' => array('tid', 'sticky', 'created'),
     ),
     'foreign keys' => array(
-      'vid' => array('taxonomy_vocabulary' => 'vid'),
+      'node' => 'nid',
+      'taxonomy_term_data' => 'tid',
     ),
   );
 
@@ -322,3 +269,170 @@ function taxonomy_update_7002() {
 function taxonomy_update_7003() {
   db_drop_field('taxonomy_vocabulary', 'relations');
 }
+
+/**
+ * Move taxonomy vocabulary associations for nodes to fields and field instances.
+ */
+function taxonomy_update_7004() {
+  $taxonomy_index = array(
+    'description' => 'Maintains denormalized information about node/term relationships.',
+    'fields' => array(
+      'nid' => array(
+        'description' => 'The {node}.nid this record tracks.',
+        'type' => 'int',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+        'default' => 0,
+      ),
+      'tid' => array(
+         'description' => 'The term ID.',
+         'type' => 'int',
+         'unsigned' => TRUE,
+         'not null' => TRUE,
+         'default' => 0,
+      ),
+      'sticky' => array(
+        'description' => 'Boolean indicating whether the node is sticky.',
+        'type' => 'int',
+        'not null' => FALSE,
+        'default' => 0,
+        'size' => 'tiny',
+      ),
+      'created' => array(
+        'description' => 'The Unix timestamp when the node was created.',
+        'type' => 'int',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+        'default'=> 0,
+      ),
+    ),
+    'indexes' => array(
+      'term_node' => array('tid', 'sticky', 'created'),
+    ),
+    'foreign keys' => array(
+      'node' => 'nid',
+      'taxonomy_term_data' => 'tid',
+    ),
+  );
+  db_create_table('taxonomy_index', $taxonomy_index);
+
+  // Use an inline version of Drupal 6 taxonomy_get_vocabularies() here since
+  // we can no longer rely on $vocabulary->nodes from the API function.
+  $result = db_query('SELECT v.*, n.type FROM {taxonomy_vocabulary} v LEFT JOIN {taxonomy_vocabulary_node_type} n ON v.vid = n.vid ORDER BY v.weight, v.name');
+  $vocabularies = array();
+  foreach ($result as $record) {
+    // If no node types are associated with a vocabulary, the LEFT JOIN will
+    // return a NULL value for type.
+    if (isset($record->type)) {
+      $node_types[$record->vid][$record->type] = $record->type;
+      unset($record->type);
+      $record->nodes = $node_types[$record->vid];
+    }
+    elseif (!isset($record->nodes)) {
+      $record->nodes = array();
+    }
+    $vocabularies[$record->vid] = $record;
+  }
+
+  foreach ($vocabularies as $vocabulary) {
+    $field_name = 'taxonomy_' . $vocabulary->machine_name;
+    $field = array(
+      'field_name' => $field_name,
+      'type' => 'taxonomy_term',
+      'cardinality' => $vocabulary->multiple || $vocabulary->tags ? FIELD_CARDINALITY_UNLIMITED : 1,
+      'settings' => array(
+        'required' => $vocabulary->required ? TRUE : FALSE,
+        'allowed_values' => array(
+          array(
+            'vid' => $vocabulary->vid,
+            'parent' => 0,
+          ),
+        ),
+      ),
+    );
+    field_create_field($field);
+
+    foreach ($vocabulary->nodes as $bundle) {
+      $instance = array(
+        'label' => $vocabulary->name,
+        'field_name' => $field_name,
+        'bundle' => $bundle,
+        'description' => $vocabulary->help,
+        'widget' => array(
+          'type' => $vocabulary->tags ? 'taxonomy_autocomplete' : 'select',
+        ),
+      );
+      field_create_instance($instance);
+    }
+  }
+  db_drop_table('taxonomy_vocabulary_node_type');
+  $fields = array('help', 'multiple', 'required', 'tags');
+  foreach ($fields as $field) {
+    db_drop_field('taxonomy_vocabulary', $field);
+  }
+}
+
+/**
+ * Migrate {taxonomy_term_node} table to field storage.
+ */
+function taxonomy_update_7005(&$sandbox) {
+  // Since we are upgrading from Drupal 6, we know that only
+  // field_sql_storage.module will be enabled.
+  $field = field_info_field($field['field_name']);
+  $data_table = _field_sql_storage_tablename($field);
+  $revision_table = _field_sql_storage_revision_tablename($field);
+  $etid = _field_sql_storage_etid('node');
+  $value_column = $field['field_name'] . '_value';
+  $columns = array('etid', 'entity_id', 'revision_id', 'bundle', 'delta', $value_column);
+
+  // This is a multi-pass update. On the first call we need to initialize some
+  // variables.
+  if (!isset($sandbox['total'])) {
+    $sandbox['last'] = 0;
+    $sandbox['count'] = 0;
+
+    $query = db_select('taxonomy_term_node', 't');
+    $sandbox['total'] = $query->countQuery()->execute()->fetchField();
+    $found = (bool) $sandbox['total'];
+  }
+  else {
+    // We do each pass in batches of 1000, this should result in a
+    // maximum of 2000 insert queries each operation.
+    $batch = 1000 + $sandbox['last'];
+
+    // Query and save data for the current revision.
+    $result = db_query_range('SELECT td.tid, tn.nid, td.weight, tn.vid, n2.type, n2.created, n2.sticky FROM {taxonomy_term_data} td INNER JOIN {taxonomy_term_node} tn ON td.tid = tn.tid INNER JOIN {node} n2 ON tn.nid = n2.nid INNER JOIN {node} n ON tn.vid = n.vid AND td.vid = :vocabulary_id ORDER BY td.weight ASC', array(':vocabulary_id' => $vocabulary->vid), $sandbox['last'], $batch);
+    $deltas = array();
+    foreach ($result as $record) {
+      $found = TRUE;
+      $sandbox['count'] += 1;
+      // Start deltas from 0, and increment by one for each
+      // term attached to a node.
+      $deltas[$record->nid] = isset($deltas[$record->nid]) ? ++$deltas[$record->nid] : 0;
+      $values = array($etid, $record->nid, $record->vid, $record->type, $deltas[$record->nid], $record->tid);
+      db_insert($data_table)->fields($columns)->values($values)->execute();
+
+      // Update the {taxonomy_index} table.
+      db_insert('taxonomy_index')
+        ->fields(array('nid', 'tid', 'sticky', 'created',))
+        ->values(array($record->nid, $record->tid, $record->sticky, $record->created))
+        ->execute();
+    }
+
+    // Query and save data for all revisions.
+    $result = db_query('SELECT td.tid, tn.nid, td.weight, tn.vid, n.type FROM {taxonomy_term_data} td INNER JOIN {taxonomy_term_node} tn ON td.tid = tn.tid AND td.vid = :vocabulary_id INNER JOIN {node} n ON tn.nid = n.nid ORDER BY td.weight ASC', array(':vocabulary_id' => $vocabulary->vid), $sandbox['last'][$batch]);
+    $deltas = array();
+    foreach ($result as $record) {
+      $found = TRUE;
+      $sandbox['count'] += 1;
+      // Start deltas at 0, and increment by one for each term attached to a revision.
+      $deltas[$record->vid] = isset($deltas[$record->vid]) ? ++$deltas[$record->vid] : 0;
+      $values = array($etid, $record->nid, $record->vid, $record->type, $deltas[$record->vid], $record->tid);
+      db_insert($revision_table)->fields($columns)->values($values)->execute();
+    }
+    $sandbox['last'] = $batch;
+  }
+  if (!$found) {
+   db_drop_table('taxonomy_term_node');
+  }
+}
diff --git a/modules/taxonomy/taxonomy.module b/modules/taxonomy/taxonomy.module
index b8b6c2e6eb96c580680134e5e9eb4110e277d4bb..dd9b4792cdb2d2406d7272cdd6481179359bd23e 100644
--- a/modules/taxonomy/taxonomy.module
+++ b/modules/taxonomy/taxonomy.module
@@ -62,6 +62,54 @@ function taxonomy_entity_info() {
   return $return;
 }
 
+/**
+ * Return nodes attached to a term across all field instances.
+ *
+ * This function requires taxonomy module to be maintaining its own tables,
+ * and will return an empty array if it is not. If using other field storage
+ * methods alternatives methods for listing terms will need to be used.
+ *
+ * @param $term
+ *   The term object.
+ * @param $pager
+ *   Boolean to indicate whether a pager should be used.
+ * @order
+ *   An array of fields and directions.
+ *
+ * @return
+ *   An array of nids matching the query.
+ */
+function taxonomy_select_nodes($term, $pager = TRUE, $order = array('t.sticky' => 'DESC', 't.created' => 'DESC')) {
+  if (!variable_get('taxonomy_maintain_index_table', TRUE)) {
+    return array();
+  }
+  $query = db_select('taxonomy_index', 't');
+  $query->addTag('node_access');
+  if ($pager) {
+    $count_query = clone $query;
+    $count_query->addExpression('COUNT(t.nid)');
+
+    $query = $query
+      ->extend('PagerDefault')
+      ->limit(variable_get('default_nodes_main', 10));
+    $query->setCountQuery($count_query);
+  }
+  else {
+    $query->range(0, variable_get('feed_default_items', 10));
+  }
+  $query->condition('tid', $term->tid );
+  $query->addField('t', 'nid');
+  $query->addField('t', 'tid');
+  foreach ($order as $field => $direction) {
+    $query->orderBy($field, $direction);
+    // ORDER BY fields need to be loaded too, assume they are in the form
+    // table_alias.name
+    list($table_alias, $name) = explode('.', $field);
+    $query->addField($table_alias, $name);
+  }
+  return $query->execute()->fetchCol();
+}
+
 /**
  * Implement hook_field_build_modes();
  *
@@ -97,66 +145,6 @@ function taxonomy_theme() {
   );
 }
 
-/**
- * Implement hook_node_view().
- */
-function taxonomy_node_view($node, $build_mode) {
-  if (empty($node->taxonomy)) {
-    return;
-  }
-
-  if ($build_mode == 'rss') {
-    // Provide category information for RSS feeds.
-    foreach ($node->taxonomy as $term) {
-      $node->rss_elements[] = array(
-        'key' => 'category',
-        'value' => $term->name,
-        'attributes' => array('domain' => url(taxonomy_term_path($term), array('absolute' => TRUE))),
-      );
-    }
-  }
-  else {
-    $links = array();
-
-    // If previewing, the terms must be converted to objects first.
-    if (!empty($node->in_preview)) {
-      $node->taxonomy = taxonomy_preview_terms($node);
-    }
-
-    foreach ($node->taxonomy as $term) {
-      // During preview the free tagging terms are in an array unlike the
-      // other terms which are objects. So we have to check if a $term
-      // is an object or not.
-      if (is_object($term)) {
-        $links['taxonomy_term_' . $term->tid] = array(
-          'title' => $term->name,
-          'href' => taxonomy_term_path($term),
-          'attributes' => array('rel' => 'tag', 'title' => strip_tags($term->description))
-        );
-      }
-      // Previewing free tagging terms; we don't link them because the
-      // term-page might not exist yet.
-      else {
-        foreach ($term as $free_typed) {
-          $typed_terms = drupal_explode_tags($free_typed);
-          foreach ($typed_terms as $typed_term) {
-            $links['taxonomy_preview_term_' . $typed_term] = array(
-              'title' => $typed_term,
-            );
-          }
-        }
-      }
-    }
-
-    $node->content['links']['terms'] = array(
-      '#theme' => 'links',
-      '#links' => $links,
-      '#attributes' => array('class' => array('links', 'inline')),
-      '#sorted' => TRUE,
-    );
-  }
-}
-
 /**
  * For vocabularies not maintained by taxonomy.module, give the maintaining
  * module a chance to provide a path for terms in that vocabulary.
@@ -244,14 +232,6 @@ function taxonomy_menu() {
     'type' => MENU_CALLBACK,
     'file' => 'taxonomy.pages.inc',
   );
-  // TODO: remove with taxonomy_term_node_*
-  $items['taxonomy/autocomplete/legacy'] = array(
-    'title' => 'Autocomplete taxonomy',
-    'page callback' => 'taxonomy_autocomplete_legacy',
-    'access arguments' => array('access content'),
-    'type' => MENU_CALLBACK,
-    'file' => 'taxonomy.pages.inc',
-  );
 
   $items['admin/structure/taxonomy/%taxonomy_vocabulary'] = array(
     'title' => 'Vocabulary', // this is replaced by callback
@@ -303,9 +283,6 @@ function taxonomy_admin_vocabulary_title_callback($vocabulary) {
  * Save a vocabulary given a vocabulary object.
  */
 function taxonomy_vocabulary_save($vocabulary) {
-  if (empty($vocabulary->nodes)) {
-    $vocabulary->nodes = array();
-  }
 
   if (!empty($vocabulary->name)) {
     // Prevent leading and trailing spaces in vocabulary names.
@@ -318,38 +295,12 @@ function taxonomy_vocabulary_save($vocabulary) {
 
   if (!empty($vocabulary->vid) && !empty($vocabulary->name)) {
     $status = drupal_write_record('taxonomy_vocabulary', $vocabulary, 'vid');
-    db_delete('taxonomy_vocabulary_node_type')
-      ->condition('vid', $vocabulary->vid)
-      ->execute();
-
-    if (!empty($vocabulary->nodes)) {
-      $query = db_insert('taxonomy_vocabulary_node_type')
-        ->fields(array('vid', 'type'));
-      foreach ($vocabulary->nodes as $type => $selected) {
-        $query->values(array(
-          'vid' => $vocabulary->vid,
-          'type' => $type,
-        ));
-      }
-      $query->execute();
-    }
     module_invoke_all('taxonomy_vocabulary_update', $vocabulary);
   }
   elseif (empty($vocabulary->vid)) {
     $status = drupal_write_record('taxonomy_vocabulary', $vocabulary);
-
-    if (!empty($vocabulary->nodes)) {
-      $query = db_insert('taxonomy_vocabulary_node_type')
-        ->fields(array('vid', 'type'));
-      foreach ($vocabulary->nodes as $type => $selected) {
-        $query->values(array(
-          'vid' => $vocabulary->vid,
-          'type' => $type,
-        ));
-      }
-      $query->execute();
-    }
     field_attach_create_bundle($vocabulary->machine_name);
+    taxonomy_vocabulary_create_field($vocabulary);
     module_invoke_all('taxonomy_vocabulary_insert', $vocabulary);
   }
 
@@ -373,9 +324,6 @@ function taxonomy_vocabulary_delete($vid) {
   db_delete('taxonomy_vocabulary')
     ->condition('vid', $vid)
     ->execute();
-  db_delete('taxonomy_vocabulary_node_type')
-    ->condition('vid', $vid)
-    ->execute();
   $result = db_query('SELECT tid FROM {taxonomy_term_data} WHERE vid = :vid', array(':vid' => $vid))->fetchCol();
   foreach ($result as $tid) {
     taxonomy_term_delete($tid);
@@ -431,6 +379,31 @@ function taxonomy_check_vocabulary_hierarchy($vocabulary, $changed_term) {
   return $hierarchy;
 }
 
+/**
+ * Create a default field when a vocabulary is created.
+ *
+ * @param $vocabulary
+ *   A taxonomy vocabulary object.
+ */
+function taxonomy_vocabulary_create_field($vocabulary) {
+  $field = array(
+    'field_name' => 'taxonomy_' . $vocabulary->machine_name,
+    'type' => 'taxonomy_term',
+    // Set cardinality to unlimited so that select
+    // and autocomplete widgets behave as normal.
+    'cardinality' => FIELD_CARDINALITY_UNLIMITED,
+    'settings' => array(
+      'allowed_values' => array(
+        array(
+          'vid' => $vocabulary->vid,
+          'parent' => 0,
+        ),
+      ),
+    ),
+  );
+  field_create_field($field);
+}
+
 /**
  * Save a term object to the database.
  *
@@ -470,6 +443,9 @@ function taxonomy_term_save($term) {
   if (!isset($term->parent) || empty($term->parent)) {
     $term->parent = array(0);
   }
+  if (!is_array($term->parent)) {
+    $term->parent = array($term->parent);
+  }
   $query = db_insert('taxonomy_term_hierarchy')
     ->fields(array('tid', 'parent'));
   if (is_array($term->parent)) {
@@ -490,12 +466,6 @@ function taxonomy_term_save($term) {
       }
     }
   }
-  else {
-    $query->values(array(
-     'tid' => $term->tid,
-     'parent' => $parent
-    ));
-  }
   $query->execute();
 
   db_delete('taxonomy_term_synonym')
@@ -556,9 +526,6 @@ function taxonomy_term_delete($tid) {
       db_delete('taxonomy_term_synonym')
         ->condition('tid', $tid)
         ->execute();
-      db_delete('taxonomy_term_node')
-        ->condition('tid', $tid)
-        ->execute();
 
       field_attach_delete('taxonomy_term', $term);
       _taxonomy_clean_field_cache($term);
@@ -606,26 +573,18 @@ function taxonomy_form($vid, $value = 0, $help = NULL) {
   $vocabulary = taxonomy_vocabulary_load($vid);
   $help = ($help) ? $help : filter_xss_admin($vocabulary->help);
 
-  if (!$vocabulary->multiple) {
-    $blank = ($vocabulary->required) ? t('- Please choose -') : t('- None selected -');
-  }
-  else {
-    $blank = ($vocabulary->required) ? 0 : t('- None -');
-  }
+  $blank = t('- Please choose -');
 
-  return _taxonomy_term_select(check_plain($vocabulary->name), $value, $vid, $help, intval($vocabulary->multiple), $blank);
+  return _taxonomy_term_select(check_plain($vocabulary->name), $value, $vid, $help, $blank);
 }
 
 /**
  * Generate a set of options for selecting a term from all vocabularies.
  */
-function taxonomy_form_all($free_tags = 0) {
+function taxonomy_form_all() {
   $vocabularies = taxonomy_get_vocabularies();
   $options = array();
   foreach ($vocabularies as $vid => $vocabulary) {
-    if ($vocabulary->tags && !$free_tags) {
-      continue;
-    }
     $tree = taxonomy_get_tree($vid);
     if ($tree && (count($tree) > 0)) {
       $options[$vocabulary->name] = array();
@@ -643,9 +602,8 @@ function taxonomy_form_all($free_tags = 0) {
  * @param $type
  *   If set, return only those vocabularies associated with this node type.
  */
-function taxonomy_get_vocabularies($type = NULL) {
-  $conditions = !empty($type) ? array('type' => $type) : NULL;
-  return taxonomy_vocabulary_load_multiple(FALSE, $conditions);
+function taxonomy_get_vocabularies() {
+  return taxonomy_vocabulary_load_multiple(FALSE, array());
 }
 
 /**
@@ -659,330 +617,6 @@ function taxonomy_vocabulary_get_names() {
   return $names;
 }
 
-/**
- * Implement hook_form_alter().
- * Generate a form for selecting terms to associate with a node.
- * We check for taxonomy_override_selector before loading the full
- * vocabulary, so contrib modules can intercept before hook_form_alter
- *  and provide scalable alternatives.
- */
-function taxonomy_form_alter(&$form, $form_state, $form_id) {
-  if (!variable_get('taxonomy_override_selector', FALSE) && !empty($form['#node_edit_form'])) {
-    $node = $form['#node'];
-
-    if (!isset($node->taxonomy)) {
-      $terms = empty($node->nid) ? array() : taxonomy_node_get_terms($node);
-    }
-    else {
-      // After preview the terms must be converted to objects.
-      if (isset($form_state['node_preview'])) {
-        $node->taxonomy = taxonomy_preview_terms($node);
-      }
-      $terms = $node->taxonomy;
-    }
-    $query = db_select('taxonomy_vocabulary', 'v');
-    $query->join('taxonomy_vocabulary_node_type', 'n', 'v.vid = n.vid');
-    $query->addTag('term_access');
-
-    $result = $query
-      ->fields('v')
-      ->condition('n.type', $node->type)
-      ->orderBy('v.weight')
-      ->orderBy('v.name')
-      ->execute();
-
-    foreach ($result as $vocabulary) {
-      if ($vocabulary->tags) {
-        if (isset($form_state['node_preview'])) {
-          // Typed string can be changed by the user before preview,
-          // so we just insert the tags directly as provided in the form.
-          $typed_string = $node->taxonomy['tags'][$vocabulary->vid];
-        }
-        else {
-          $typed_string = taxonomy_implode_tags($terms, $vocabulary->vid) . (array_key_exists('tags', $terms) ? $terms['tags'][$vocabulary->vid] : NULL);
-        }
-        if ($vocabulary->help) {
-          $help = filter_xss_admin($vocabulary->help);
-        }
-        else {
-          $help = t('A comma-separated list of terms describing this content. Example: funny, bungee jumping, "Company, Inc."');
-        }
-        $form['taxonomy']['tags'][$vocabulary->vid] = array('#type' => 'textfield',
-          '#title' => $vocabulary->name,
-          '#description' => $help,
-          '#required' => $vocabulary->required,
-          '#default_value' => $typed_string,
-          '#autocomplete_path' => 'taxonomy/autocomplete/legacy/' . $vocabulary->vid,
-          '#weight' => $vocabulary->weight,
-          '#maxlength' => 1024,
-        );
-      }
-      else {
-        // Extract terms belonging to the vocabulary in question.
-        $default_terms = array();
-        foreach ($terms as $term) {
-          // Free tagging has no default terms and also no vid after preview.
-          if (isset($term->vid) && $term->vid == $vocabulary->vid) {
-            $default_terms[$term->tid] = $term;
-          }
-        }
-        $form['taxonomy'][$vocabulary->vid] = taxonomy_form($vocabulary->vid, array_keys($default_terms), filter_xss_admin($vocabulary->help));
-        $form['taxonomy'][$vocabulary->vid]['#weight'] = $vocabulary->weight;
-        $form['taxonomy'][$vocabulary->vid]['#required'] = $vocabulary->required;
-      }
-    }
-    if (!empty($form['taxonomy']) && is_array($form['taxonomy'])) {
-      if (count($form['taxonomy']) > 1) {
-        // Add fieldset only if form has more than 1 element.
-        $form['taxonomy'] += array(
-          '#type' => 'fieldset',
-          '#title' => t('Vocabularies'),
-          '#collapsible' => TRUE,
-          '#collapsed' => FALSE,
-        );
-      }
-      $form['taxonomy']['#weight'] = -3;
-      $form['taxonomy']['#tree'] = TRUE;
-    }
-  }
-}
-
-/**
- * Helper function to convert terms after a preview.
- *
- * After preview the tags are an array instead of proper objects. This function
- * converts them back to objects with the exception of 'free tagging' terms,
- * because new tags can be added by the user before preview and those do not
- * yet exist in the database. We therefore save those tags as a string so
- * we can fill the form again after the preview.
- */
-function taxonomy_preview_terms($node) {
-  $taxonomy = array();
-  if (isset($node->taxonomy)) {
-    foreach ($node->taxonomy as $key => $term) {
-      unset($node->taxonomy[$key]);
-      // A 'Multiple select' and a 'Free tagging' field returns an array.
-      if (is_array($term)) {
-        foreach ($term as $tid) {
-          if ($key == 'tags') {
-            // Free tagging; the values will be saved for later as strings
-            // instead of objects to fill the form again.
-            $taxonomy['tags'] = $term;
-          }
-          else {
-            $taxonomy[$tid] = taxonomy_term_load($tid);
-          }
-        }
-      }
-      // A 'Single select' field returns the term id.
-      elseif ($term) {
-        $taxonomy[$term] = taxonomy_term_load($term);
-      }
-    }
-  }
-  return $taxonomy;
-}
-
-/**
- * Find all terms associated with the given node, within one vocabulary.
- */
-function taxonomy_node_get_terms_by_vocabulary($node, $vid, $key = 'tid') {
-  $query = db_select('taxonomy_term_data', 't');
-  $query->join('taxonomy_term_node', 'r', 'r.tid = t.tid');
-  $query->addTag('term_access');
-
-  $result = $query
-    ->fields('t')
-    ->condition('t.vid', $vid)
-    ->condition('r.vid', $node->vid)
-    ->orderBy('weight')
-    ->execute();
-
-  $terms = array();
-  foreach ($result as $term) {
-    $terms[$term->$key] = $term;
-  }
-  return $terms;
-}
-
-/**
- * Find all term IDs associated with a set of nodes.
- *
- * @param $nodes
- *  An array of node objects.
- *
- * @return
- *  An array of term and node IDs ordered by vocabulary and term weight.
- */
-function taxonomy_get_tids_from_nodes($nodes) {
-  $node_vids = array();
-  foreach ($nodes as $node) {
-    $node_vids[] = $node->vid;
-  }
-  $query = db_select('taxonomy_term_node', 'r');
-  $query->join('taxonomy_term_data', 't', 'r.tid = t.tid');
-  $query->join('taxonomy_vocabulary', 'v', 't.vid = v.vid');
-  $query->addTag('term_access');
-
-  return $query
-    ->fields('r', array('tid', 'nid', 'vid'))
-    ->condition('r.vid', $node_vids, 'IN')
-    ->orderBy('v.weight')
-    ->orderBy('t.weight')
-    ->orderBy('t.name')
-    ->execute()
-    ->fetchAll();
-}
-
-/**
- * Find all terms associated with the given node, ordered by vocabulary and term weight.
- */
-function taxonomy_node_get_terms($node, $key = 'tid') {
-  $terms = &drupal_static(__FUNCTION__);
-
-  if (!isset($terms[$node->vid][$key])) {
-    $query = db_select('taxonomy_term_node', 'r');
-    $query->join('taxonomy_term_data', 't', 'r.tid = t.tid');
-    $query->join('taxonomy_vocabulary', 'v', 't.vid = v.vid');
-    $query->addTag('term_access');
-
-    $result = $query
-      ->fields('r', array('tid', 'nid', 'vid'))
-      ->condition('r.vid', $node->vid)
-      ->orderBy('v.weight')
-      ->orderBy('t.weight')
-      ->orderBy('t.name')
-      ->execute();
-    $terms[$node->vid][$key] = array();
-    foreach ($result as $term) {
-      $terms[$node->vid][$key][$term->$key] = $term;
-    }
-  }
-  return $terms[$node->vid][$key];
-}
-
-/**
- * Save term associations for a given node.
- */
-function taxonomy_node_save($node, $terms) {
-  taxonomy_node_revision_delete($node);
-
-  // Free tagging vocabularies do not send their tids in the form,
-  // so we'll detect them here and process them independently.
-  if (isset($terms['tags'])) {
-    $typed_input = $terms['tags'];
-    unset($terms['tags']);
-
-    foreach ($typed_input as $vid => $vid_value) {
-      $vocabulary = taxonomy_vocabulary_load($vid);
-      $typed_terms = drupal_explode_tags($vid_value);
-
-      $inserted = array();
-      foreach ($typed_terms as $typed_term) {
-        // See if the term exists in the chosen vocabulary
-        // and return the tid; otherwise, add a new record.
-        $possibilities = taxonomy_get_term_by_name($typed_term);
-        $typed_term_tid = NULL; // tid match, if any.
-        foreach ($possibilities as $possibility) {
-          if ($possibility->vid == $vid) {
-            $typed_term_tid = $possibility->tid;
-          }
-        }
-
-        if (!$typed_term_tid) {
-          $edit = array(
-            'vid' => $vid,
-            'name' => $typed_term,
-            'vocabulary_machine_name' => $vocabulary->machine_name,
-          );
-          $term = (object)$edit;
-          $status = taxonomy_term_save($term);
-          $typed_term_tid = $term->tid;
-        }
-
-        // Defend against duplicate, differently cased tags
-        if (!isset($inserted[$typed_term_tid])) {
-          db_insert('taxonomy_term_node')
-            ->fields(array(
-              'nid' => $node->nid,
-              'vid' => $node->vid,
-              'tid' => $typed_term_tid
-            ))
-            ->execute();
-          $inserted[$typed_term_tid] = TRUE;
-        }
-      }
-    }
-  }
-
-  if (is_array($terms) && !empty($terms)) {
-    $query = db_insert('taxonomy_term_node')
-      ->fields(array('nid', 'vid', 'tid'));
-
-    foreach ($terms as $term) {
-      if (is_array($term)) {
-        foreach ($term as $tid) {
-          if ($tid) {
-            $query->values(array(
-              'nid' => $node->nid,
-              'vid' => $node->vid,
-              'tid' => $tid,
-            ));
-          }
-        }
-      }
-      elseif (is_object($term)) {
-        $query->values(array(
-          'nid' => $node->nid,
-          'vid' => $node->vid,
-          'tid' => $term->tid,
-        ));
-      }
-      elseif ($term) {
-        $query->values(array(
-          'nid' => $node->nid,
-          'vid' => $node->vid,
-          'tid' => $term,
-        ));
-      }
-    }
-    $query->execute();
-  }
-}
-
-/**
- * Implement hook_node_type_insert().
- */
-function taxonomy_node_type_insert($info) {
-  drupal_static_reset('taxonomy_term_count_nodes');
-}
-
-/**
- * Implement hook_node_type_update().
- */
-function taxonomy_node_type_update($info) {
-  if (!empty($info->old_type) && $info->type != $info->old_type) {
-    db_update('taxonomy_vocabulary_node_type')
-      ->fields(array(
-        'type' => $info->type,
-      ))
-      ->condition('type', $info->old_type)
-      ->execute();
-  }
-  drupal_static_reset('taxonomy_term_count_nodes');
-}
-
-/**
- * Implement hook_node_type_delete().
- */
-function taxonomy_node_type_delete($info) {
-  db_delete('taxonomy_vocabulary_node_type')
-    ->condition('type', $info->type)
-    ->execute();
-
-  drupal_static_reset('taxonomy_term_count_nodes');
-}
-
 /**
  * Find all parents of a given term ID.
  */
@@ -1149,51 +783,6 @@ function taxonomy_get_synonym_root($synonym) {
   return $synonyms[$synonym];
 }
 
-/**
- * Count the number of published nodes classified by a term.
- *
- * @param $tid
- *   The term ID
- * @param $type
- *   (Optional) The $node->type. If given, taxonomy_term_count_nodes only counts
- *   nodes of $type that are classified with the term $tid.
- *
- * @return
- *   An integer representing a number of nodes.
- *   Results are statically cached.
- */
-function taxonomy_term_count_nodes($tid, $type = NULL) {
-  $count = &drupal_static(__FUNCTION__, array());
-  // Reset the taxonomy tree when first called (or if reset).
-  if (empty($count)) {
-    drupal_static_reset('taxonomy_get_tree');
-  }
-  // If $type is NULL, change it to 0 to allow it to be used as an array key
-  // for the static cache.
-  $type = empty($type) ? 0 : $type;
-
-  if (!isset($count[$type][$tid])) {
-    $term = taxonomy_term_load($tid);
-    $tree = taxonomy_get_tree($term->vid, $tid, NULL);
-    $tids = array($tid);
-    foreach ($tree as $descendent) {
-      $tids[] = $descendent->tid;
-    }
-
-    $query = db_select('taxonomy_term_node', 't');
-    $query->addExpression('COUNT(DISTINCT(n.nid))', 'nid_count');
-    $query->join('node', 'n', 't.vid = n.vid');
-    $query->condition('t.tid', $tids, 'IN');
-    $query->condition('n.status', 1);
-    if (!is_numeric($type)) {
-      $query->condition('n.type', $type);
-    }
-    $query->addTag('term_access');
-    $count[$type][$tid] = $query->execute()->fetchField();
-  }
-  return $count[$type][$tid];
-}
-
 /**
  * Try to map a string to an existing term, as for glossary use.
  *
@@ -1210,17 +799,6 @@ function taxonomy_get_term_by_name($name) {
   return taxonomy_term_load_multiple(array(), array('name' => trim($name)));
 }
 
-/**
- * Return array of tids and join operator.
- *
- * This is a wrapper function for taxonomy_terms_parse_string which is called
- * by the menu system when loading a path with taxonomy terms.
- */
-function taxonomy_terms_load($str_tids) {
-  $terms = taxonomy_terms_parse_string($str_tids);
-  return $terms;
-}
-
 /**
  * Controller class for taxonomy terms.
  *
@@ -1251,10 +829,6 @@ protected function buildQuery() {
     // Add the machine name field from the {taxonomy_vocabulary} table.
     $this->query->innerJoin('taxonomy_vocabulary', 'v', 'base.vid = v.vid');
     $this->query->addField('v', 'machine_name', 'vocabulary_machine_name');
-
-    if (!empty($this->type)) {
-      $this->query->innerJoin('taxonomy_vocabulary_node_type', 'n', 'base.vid = n.vid AND n.type = :type', array(':type' => $this->type));
-    }
   }
 
   protected function cacheGet($ids) {
@@ -1278,24 +852,8 @@ protected function cacheGet($ids) {
  * special handling for taxonomy vocabulary objects.
  */
 class TaxonomyVocabularyController extends DrupalDefaultEntityController {
-  protected $type;
-  public function load($ids = array(), $conditions = array()) {
-    if (isset($conditions['type'])) {
-      $this->type = $conditions['type'];
-      unset($conditions['type']);
-    }
-    return parent::load($ids, $conditions);
-  }
-
   protected function buildQuery() {
     parent::buildQuery();
-    if (!empty($this->type)) {
-      $this->query->innerJoin('taxonomy_vocabulary_node_type', 'n', 'base.vid = n.vid AND n.type  = :type', array(':type' => $this->type));
-    }
-    else {
-      $this->query->leftJoin('taxonomy_vocabulary_node_type', 'n', 'base.vid = n.vid');
-    }
-    $this->query->addField('n', 'type');
     $this->query->orderBy('base.weight');
     $this->query->orderBy('base.name');
   }
@@ -1304,14 +862,6 @@ protected function attachLoad(&$records) {
     foreach ($records as $record) {
       // If no node types are associated with a vocabulary, the LEFT JOIN will
       // return a NULL value for type.
-      if (isset($record->type)) {
-        $node_types[$record->vid][$record->type] = $record->type;
-        unset($record->type);
-        $record->nodes = $node_types[$record->vid];
-      }
-      elseif (!isset($record->nodes)) {
-        $record->nodes = array();
-      }
       $queried_vocabularies[$record->vid] = $record;
     }
     $records = $queried_vocabularies;
@@ -1419,7 +969,7 @@ function taxonomy_term_load($tid) {
  * @see taxonomy_form()
  * @see taxonomy_form_term()
  */
-function _taxonomy_term_select($title, $value, $vocabulary_id, $description, $multiple, $blank, $exclude = array()) {
+function _taxonomy_term_select($title, $value, $vocabulary_id, $description, $blank, $exclude = array()) {
   $tree = taxonomy_get_tree($vocabulary_id);
   $options = array();
 
@@ -1441,8 +991,6 @@ function _taxonomy_term_select($title, $value, $vocabulary_id, $description, $mu
     '#default_value' => $value,
     '#options' => $options,
     '#description' => $description,
-    '#multiple' => $multiple,
-    '#size' => $multiple ? min(9, count($options)) : 0,
     '#weight' => -15,
     '#theme' => 'taxonomy_term_select',
   );
@@ -1458,186 +1006,6 @@ function theme_taxonomy_term_select($element) {
   return theme('select', $element);
 }
 
-/**
- * Finds all nodes that match selected taxonomy conditions.
- *
- * @param $tids
- *   An array of term IDs to match.
- * @param $operator
- *   How to interpret multiple IDs in the array. Can be "or" or "and".
- * @param $depth
- *   How many levels deep to traverse the taxonomy tree. Can be a non-negative
- *   integer or "all".
- * @param $pager
- *   Whether the nodes are to be used with a pager (the case on most Drupal
- *   pages) or not (in an XML feed, for example).
- * @param $order
- *   The order clause for the query that retrieve the nodes.
- *   It is important to specifc the table alias (n).
- *
- *   Example:
- *   array('table_alias.field_name' = 'DESC');
- * @return
- *   An array of node IDs.
- */
-function taxonomy_select_nodes($tids = array(), $operator = 'or', $depth = 0, $pager = TRUE, $order = array('n.sticky' => 'DESC', 'n.created' =>  'DESC')) {
-  if (count($tids) <= 0) {
-    return array();
-  }
-  // For each term ID, generate an array of descendant term IDs to the right depth.
-  $descendant_tids = array();
-  if ($depth === 'all') {
-    $depth = NULL;
-  }
-  $terms = taxonomy_term_load_multiple($tids);
-  foreach ($terms as $term) {
-    $tree = taxonomy_get_tree($term->vid, $term->tid, $depth);
-    $descendant_tids[] = array_merge(array($term->tid), array_map('_taxonomy_get_tid_from_term', $tree));
-  }
-
-  $query = db_select('node', 'n');
-  $query->addTag('node_access');
-  $query->condition('n.status', 1);
-
-  if ($operator == 'or') {
-      $args = call_user_func_array('array_merge', $descendant_tids);
-      $query->join('taxonomy_term_node', 'tn', 'n.vid = tn.vid');
-      $query->condition('tn.tid', $args, 'IN');
-  }
-  else {
-    foreach ($descendant_tids as $tids) {
-      $alias = $query->join('taxonomy_term_node', 'tn', 'n.vid = tn.vid');
-      $query->condition($alias . '.tid', $tids, 'IN');
-    }
-  }
-
-  if ($pager) {
-    $count_query = clone $query;
-    $count_query->addExpression('COUNT(DISTINCT n.nid)');
-
-    $query = $query
-      ->extend('PagerDefault')
-      ->limit(variable_get('default_nodes_main', 10));
-    $query->setCountQuery($count_query);
-  }
-  else {
-    $query->range(0, variable_get('feed_default_items', 10));
-  }
-
-  $query->distinct(TRUE);
-  $query->addField('n', 'nid');
-  foreach ($order as $field => $direction) {
-    $query->orderBy($field, $direction);
-    // ORDER BY fields need to be loaded too, assume they are in the form table_alias.name
-    list($table_alias, $name) = explode('.', $field);
-    $query->addField($table_alias, $name);
-  }
-
-  return $query->execute()->fetchCol();
-}
-
-/**
- * Implement hook_node_load().
- */
-function taxonomy_node_load($nodes) {
-  // Get an array of tid, vid associations ordered by vocabulary and term
-  // weight.
-  $tids = taxonomy_get_tids_from_nodes($nodes);
-
-  // Extract the tids only from this array.
-  $term_ids = array();
-  foreach ($tids as $term) {
-    $term_ids[$term->tid] = $term->tid;
-  }
-
-  // Load the full term objects for these tids.
-  $terms = taxonomy_term_load_multiple($term_ids);
-  foreach ($tids as $term) {
-    $nodes[$term->nid]->taxonomy[$term->tid] = $terms[$term->tid];
-  }
-  foreach ($nodes as $node) {
-    if (!isset($nodes[$node->nid]->taxonomy)) {
-      $node->taxonomy = array();
-    }
-  }
-}
-
-/**
- * Implement hook_node_insert().
- */
-function taxonomy_node_insert($node) {
-  if (!empty($node->taxonomy)) {
-    taxonomy_node_save($node, $node->taxonomy);
-  }
-}
-
-/**
- * Implement hook_node_update().
- */
-function taxonomy_node_update($node) {
-  if (!empty($node->taxonomy)) {
-    taxonomy_node_save($node, $node->taxonomy);
-  }
-}
-
-/**
- * Implement hook_node_delete().
- *
- * Remove associations of a node to its terms.
- */
-function taxonomy_node_delete($node) {
-  db_delete('taxonomy_term_node')
-    ->condition('nid', $node->nid)
-    ->execute();
-  drupal_static_reset('taxonomy_term_count_nodes');
-}
-
-/**
- * Implement hook_node_revision_delete().
- *
- * Remove associations of a node to its terms.
- */
-function taxonomy_node_revision_delete($node) {
-  db_delete('taxonomy_term_node')
-    ->condition('vid', $node->vid)
-    ->execute();
-  drupal_static_reset('taxonomy_term_count_nodes');
-}
-
-/**
- * Implement hook_node_validate().
- *
- * Make sure incoming vids are free tagging enabled.
- */
-function taxonomy_node_validate($node, $form) {
-  if (!empty($node->taxonomy)) {
-    $terms = $node->taxonomy;
-    if (!empty($terms['tags'])) {
-      foreach ($terms['tags'] as $vid => $vid_value) {
-        $vocabulary = taxonomy_vocabulary_load($vid);
-        if (empty($vocabulary->tags)) {
-          // see form_get_error $key = implode('][', $element['#parents']);
-          // on why this is the key
-          form_set_error("taxonomy][tags][$vid", t('The %name vocabulary can not be modified in this way.', array('%name' => $vocabulary->name)));
-        }
-      }
-    }
-  }
-}
-
-/**
- * Implement hook_node_update_index().
- */
-function taxonomy_node_update_index($node) {
-  $output = array();
-  foreach ($node->taxonomy as $term) {
-    $output[] = $term->name;
-  }
-  if (count($output)) {
-    return '<strong>(' . implode(', ', $output) . ')</strong>';
-  }
-}
-
 /**
  * Implement hook_help().
  */
@@ -1658,9 +1026,6 @@ function taxonomy_help($path, $arg) {
       return $output;
     case 'admin/structure/taxonomy/%/list':
       $vocabulary = taxonomy_vocabulary_load($arg[3]);
-      if ($vocabulary->tags) {
-        return '<p>' . t('%capital_name is a free-tagging vocabulary. To change the name or description of a term, click the <em>edit</em> link next to the term.', array('%capital_name' => drupal_ucfirst($vocabulary->name))) . '</p>';
-      }
       switch ($vocabulary->hierarchy) {
         case 0:
           return '<p>' . t('%capital_name is a flat vocabulary. You may organize the terms in the %name vocabulary by using the handles on the left side of the table. To change the name or description of a term, click the <em>edit</em> link next to the term.', array('%capital_name' => drupal_ucfirst($vocabulary->name), '%name' => $vocabulary->name)) . '</p>';
@@ -1823,7 +1188,7 @@ function taxonomy_field_validate($obj_type, $object, $field, $instance, $langcod
  * Implement hook_field_is_empty().
  */
 function taxonomy_field_is_empty($item, $field) {
-  if (empty($item['value']) && (string) $item['value'] !== '0') {
+  if (!is_array($item) || (empty($item['value']) && (string) $item['value'] !== '0')) {
     return TRUE;
   }
   return FALSE;
@@ -2166,3 +1531,95 @@ function taxonomy_field_settings_form($field, $instance, $has_data) {
 
   return $form;
 }
+
+/**
+ * @defgroup taxonomy indexing Taxonomy functions maintaining {taxonomy_index}.
+ *
+ * Taxonomy uses default field storage to store canonical relationships
+ * between terms and fieldable entities. However its most common use case
+ * requires listing all content associated with a term or group of terms
+ * sorted by creation date. To avoid slow queries due to joining across
+ * multiple node and field tables with various conditions and order by criteria,
+ * we maintain a denormalized table with all relationships between terms,
+ * published nodes and common sort criteria such as sticky and created.
+ * This is used as a lookup table by taxonomy_select_nodes(). When using other
+ * field storage engines or alternative methods of denormalizing this data
+ * you should set the variable 'taxonomy_maintain_index_table' to FALSE
+ * to avoid unnecessary writes in SQL.
+ * @{
+ */
+
+/**
+ * Implement hook_field_insert().
+ */
+function taxonomy_field_insert($obj_type, $object, $field, $instance, $langcode, &$items) {
+  // We maintain a denormalized table of term/node relationships, containing
+  // only data for current, published nodes.
+  if (variable_get('taxonomy_maintain_index_table', TRUE) && $field['storage']['type'] == 'field_sql_storage' && $obj_type == 'node' && $object->status) {
+    $query = db_insert('taxonomy_index')->fields(array('nid', 'tid', 'sticky', 'created', ));
+    foreach ($items as $item) {
+      $query->values(array(
+        'nid' => $object->nid,
+        'tid' => $item['value'],
+        'sticky' => $object->sticky,
+        'created' => $object->created,
+      ));
+    }
+    $query->execute();
+  }
+}
+
+/**
+ * Implement hook_field_update().
+ */
+function taxonomy_field_update($obj_type, $object, $field, $instance, $langcode, &$items) {
+  if (variable_get('taxonomy_maintain_index_table', TRUE) && $field['storage']['type'] == 'field_sql_storage' && $obj_type = 'node') {
+    $first_call = &drupal_static(__FUNCTION__, array());
+
+    // We don't maintain data for old revisions, so clear all previous values
+    // from the table. Since this hook runs once per field, per object, make
+    // sure we only wipe values once.
+    if (!isset($first_call[$object->nid])) {
+      $first_call[$object->nid] = FALSE;
+      db_delete('taxonomy_index')->condition('nid', $object->nid)->execute();
+    }
+    // Only save data to the table if the node is published.
+    if ($object->status) {
+      $query = db_insert('taxonomy_index')->fields(array('nid', 'tid', 'sticky', 'created'));
+      foreach ($items as $item) {
+        $query->values(array(
+          'nid' => $object->nid,
+          'tid' => $item['value'],
+          'sticky' => $object->sticky,
+          'created' => $object->created,
+        ));
+      }
+      $query->execute();
+    }
+  }
+}
+
+/**
+ * Implement hook_node_delete().
+ */
+function taxonomy_node_delete($node) {
+  if (variable_get('taxonomy_maintain_index_table', TRUE)) {
+    // Clean up the {taxonomy_index} table when nodes are deleted.
+    db_delete('taxonomy_index')->condition('nid', $node->nid)->execute();
+  }
+}
+
+/**
+ * Implement hook_taxonomy_term_delete().
+ */
+function taxonomy_taxonomy_term_delete($term) {
+  if (variable_get('taxonomy_maintain_index_table', TRUE)) {
+    // Clean up the {taxonomy_index} table when terms are deleted.
+    db_delete('taxonomy_index')->condition('tid', $term->tid)->execute();
+  }
+}
+
+/**
+ * @} End of "defgroup taxonomy indexing"
+ */
+
diff --git a/modules/taxonomy/taxonomy.pages.inc b/modules/taxonomy/taxonomy.pages.inc
index e6d68d2cc7d22e5ca85b5c75f560f89b744de9f9..88c0d829d680b7e9f0c3a99ded8948ae0fc315bd 100644
--- a/modules/taxonomy/taxonomy.pages.inc
+++ b/modules/taxonomy/taxonomy.pages.inc
@@ -40,8 +40,7 @@ function taxonomy_term_page($term) {
       '#suffix' => '</div>',
     );
   }
-
-  if ($nids = taxonomy_select_nodes(array($term->tid), NULL, TRUE)) {
+  if ($nids = taxonomy_select_nodes($term)) {
     $nodes = node_load_multiple($nids);
     $build += node_build_multiple($nodes);
     $build['pager'] = array(
@@ -71,7 +70,7 @@ function taxonomy_term_feed($term) {
   // Only display the description if we have a single term, to avoid clutter and confusion.
   // HTML will be removed from feed description, so no need to filter here.
   $channel['description'] = $term->description;
-  $nids = taxonomy_select_nodes(array($term->tid, NULL, NULL, FALSE));
+  $nids = taxonomy_select_nodes(array($term->tid, FALSE));
 
   node_feed($nids, $channel);
 }
@@ -88,56 +87,6 @@ function taxonomy_term_edit($term) {
   return drupal_not_found();
 }
 
-/**
- * Helper function for autocompletion
- */
-function taxonomy_autocomplete_legacy($vid = 0, $tags_typed = '') {
-  // The user enters a comma-separated list of tags. We only autocomplete the last tag.
-  $tags_typed = drupal_explode_tags($tags_typed);
-  $tag_last = drupal_strtolower(array_pop($tags_typed));
-
-  $matches = array();
-  if ($tag_last != '') {
-    $query = db_select('taxonomy_term_data', 't');
-    $query->addTag('term_access');
-    $query->leftJoin('taxonomy_term_synonym', 'ts', 't.tid = ts.tid');
-    // Don't select already entered terms.
-    if (count($tags_typed)) {
-      $query->condition('t.name', $tags_typed, 'NOT IN');
-    }
-    $tags_return = $query
-      ->fields('t', array('tid', 'name'))
-      ->condition('t.vid', $vid)
-      // Select rows that either match by term or synonym name.
-      ->condition(db_or()
-	    ->where("LOWER(t.name) LIKE :last_string", array(':last_string' => '%' . $tag_last . '%'))
-	    ->where("LOWER(ts.name) LIKE :last_string", array(':last_string' => '%' . $tag_last . '%'))
-      )
-      ->range(0, 10)
-      ->execute()
-      ->fetchAllKeyed();
-
-    $prefix = count($tags_typed) ? implode(', ', $tags_typed) . ', ' : '';
-
-    // We use two arrays to make sure synonym suggestions appear last.
-    $term_matches = $synonym_matches = array();
-    foreach ($tags_return as $tid => $name) {
-      $n = $name;
-      // Commas and quotes in terms are special cases, so encode 'em.
-      if (strpos($name, ',') !== FALSE || strpos($name, '"') !== FALSE) {
-        $n = '"' . str_replace('"', '""', $name) . '"';
-      }
-      // Inform the user his query matched a synonym rather than a term.
-      if (strpos(drupal_strtolower($name), $tag_last) === FALSE) {
-        $name = t('Did you mean %suggestion', array('%suggestion' => $name));
-        $synonym_matches[$prefix . $n] = filter_xss($name);
-      }
-    }
-  }
-
-  drupal_json_output(array_merge($term_matches, $synonym_matches));
-}
-
 /**
  * Helper function for autocompletion
  */
diff --git a/modules/taxonomy/taxonomy.test b/modules/taxonomy/taxonomy.test
index 16114c26dd8cf5583ba085f59d4e683bc9d41b37..639f7b4aacddff01bc82de25dc02c38cbe0620d1 100644
--- a/modules/taxonomy/taxonomy.test
+++ b/modules/taxonomy/taxonomy.test
@@ -73,11 +73,6 @@ class TaxonomyVocabularyFunctionalTest extends TaxonomyWebTestCase {
     $edit['name'] = $this->randomName();
     $edit['description'] = $this->randomName();
     $edit['machine_name'] = $machine_name;
-    $edit['help'] = $this->randomName();
-    $edit['nodes[article]'] = 'article';
-    $edit['tags'] = 1;
-    $edit['multiple'] = 1;
-    $edit['required'] = 1;
     $this->drupalPost(NULL, $edit, t('Save'));
     $this->assertRaw(t('Created new vocabulary %name.', array('%name' => $edit['name'])), t('Vocabulary created successfully'));
 
@@ -154,7 +149,6 @@ class TaxonomyVocabularyFunctionalTest extends TaxonomyWebTestCase {
     $edit = array(
       'name' => $this->randomName(),
       'machine_name' => drupal_strtolower($this->randomName()),
-      'nodes[article]' => 'article',
     );
     $this->drupalPost('admin/structure/taxonomy/add', $edit, t('Save'));
     $this->assertText(t('Created new vocabulary'), t('New vocabulary was created.'));
@@ -276,27 +270,23 @@ class TaxonomyVocabularyUnitTest extends TaxonomyWebTestCase {
     // Fetch all of the vocabularies using taxonomy_get_vocabularies().
     // Confirm that the vocabularies are ordered by weight.
     $vocabularies = taxonomy_get_vocabularies();
-    $this->assertEqual(array_shift($vocabularies), $vocabulary1, t('Vocabulary was found in the vocabularies array.'));
-    $this->assertEqual(array_shift($vocabularies), $vocabulary2, t('Vocabulary was found in the vocabularies array.'));
-    $this->assertEqual(array_shift($vocabularies), $vocabulary3, t('Vocabulary was found in the vocabularies array.'));
+    $this->assertEqual(array_shift($vocabularies)->vid, $vocabulary1->vid, t('Vocabulary was found in the vocabularies array.'));
+    $this->assertEqual(array_shift($vocabularies)->vid, $vocabulary2->vid, t('Vocabulary was found in the vocabularies array.'));
+    $this->assertEqual(array_shift($vocabularies)->vid, $vocabulary3->vid, t('Vocabulary was found in the vocabularies array.'));
 
     // Fetch the vocabularies with taxonomy_vocabulary_load_multiple(), specifying IDs.
     // Ensure they are returned in the same order as the original array.
     $vocabularies = taxonomy_vocabulary_load_multiple(array($vocabulary3->vid, $vocabulary2->vid, $vocabulary1->vid));
-    $this->assertEqual(array_shift($vocabularies), $vocabulary3, t('Vocabulary loaded successfully by ID.'));
-    $this->assertEqual(array_shift($vocabularies), $vocabulary2, t('Vocabulary loaded successfully by ID.'));
-    $this->assertEqual(array_shift($vocabularies), $vocabulary1, t('Vocabulary loaded successfully by ID.'));
+    $this->assertEqual(array_shift($vocabularies)->vid, $vocabulary3->vid, t('Vocabulary loaded successfully by ID.'));
+    $this->assertEqual(array_shift($vocabularies)->vid, $vocabulary2->vid, t('Vocabulary loaded successfully by ID.'));
+    $this->assertEqual(array_shift($vocabularies)->vid, $vocabulary1->vid, t('Vocabulary loaded successfully by ID.'));
 
     // Fetch vocabulary 1 by name.
-    $this->assertTrue(current(taxonomy_vocabulary_load_multiple(array(), array('name' => $vocabulary1->name))) == $vocabulary1, t('Vocabulary loaded successfully by name.'));
+    $vocabulary = current(taxonomy_vocabulary_load_multiple(array(), array('name' => $vocabulary1->name)));
+    $this->assertTrue($vocabulary->vid == $vocabulary1->vid, t('Vocabulary loaded successfully by name.'));
 
     // Fetch vocabulary 1 by name and ID.
-    $this->assertTrue(current(taxonomy_vocabulary_load_multiple(array($vocabulary1->vid), array('name' => $vocabulary1->name))) == $vocabulary1, t('Vocabulary loaded successfully by name and ID.'));
-
-    // Fetch vocabulary 1 with specified node type.
-    entity_get_controller('taxonomy_vocabulary')->resetCache();
-    $vocabulary_node_type = current(taxonomy_vocabulary_load_multiple(array($vocabulary1->vid), array('type' => 'article')));
-    $this->assertEqual($vocabulary_node_type, $vocabulary1, t('Vocabulary with specified node type loaded successfully.'));
+    $this->assertTrue(current(taxonomy_vocabulary_load_multiple(array($vocabulary1->vid), array('name' => $vocabulary1->name)))->vid == $vocabulary1->vid, t('Vocabulary loaded successfully by name and ID.'));
   }
 }
 
@@ -312,65 +302,6 @@ class TaxonomyTermUnitTest extends TaxonomyWebTestCase {
       'group' => 'Taxonomy',
     );
   }
-
-  /**
-   * Tests for taxonomy_term_count_nodes().
-   *
-   * Attach nodes to a hierarchical vocabulary and check they are counted
-   * correctly.
-   */
-  function testTaxonomyTermCountNodes() {
-    // Create a vocabulary with three terms.
-    $vocabulary = $this->createVocabulary();
-    $term1 = $this->createTerm($vocabulary);
-    $term2 = $this->createTerm($vocabulary);
-    $term3 = $this->createTerm($vocabulary);
-
-    // Attach term1 to a node.
-    $node1 = $this->drupalCreateNode(array('type' => 'page'));
-    $node1->taxonomy = array($term1->tid);
-    node_save($node1);
-    $this->assertEqual(taxonomy_term_count_nodes($term1->tid), 1, t('Term has one valid node association.'));
-
-    // Attach term2 to a node.
-    $node2 = $this->drupalCreateNode(array('type' => 'article'));
-    $node2->taxonomy = array($term2->tid);
-    node_save($node2);
-    $this->assertEqual(taxonomy_term_count_nodes($term2->tid), 1, t('Term has one valid node association.'));
-
-    // Confirm that term3 is not associated with any nodes.
-    $this->assertEqual(taxonomy_term_count_nodes($term3->tid), 0, t('Term is not associated with any nodes'));
-
-    // Set term3 as the parent of term1.
-    $term1->parent = array($term3->tid);
-    taxonomy_term_save($term1);
-
-    // Confirm that the term hierarchy is altered correctly.
-    $children = taxonomy_get_children($term3->tid);
-    $this->assertTrue(isset($children[$term1->tid]), t('Term 3 saved as parent of term 1'));
-
-    $this->assertEqual(count(taxonomy_get_tree($term3->vid, $term3->tid)), 1, t('Term 3 has one child term'));
-
-    // Confirm that term3's parental relationship with term1 leads to a
-    // node assocation being counted.
-    $this->assertEqual(taxonomy_term_count_nodes($term3->tid, NULL), 1, t('Term has one valid node association due to child term.'));
-
-    // Set term3 as the parent of term2.
-    $term2->parent = array($term3->tid);
-    taxonomy_term_save($term2);
-
-    // term3 should now have two node associations counted.
-    $this->assertEqual(taxonomy_term_count_nodes($term3->tid, NULL), 2, t('Term has two valid node associations due to child terms.'));
-
-    // Save node1 with both child taxonomy terms, this should still result
-    // in term3 having two node associations.
-    $node1->taxonomy = array($term1->tid, $term2->tid);
-    node_save($node1);
-    $this->assertEqual(taxonomy_term_count_nodes($term3->tid, NULL), 2, t('Term has two valid node associations.'));
-
-    // Confirm that the node type argument returns a single node association.
-    $this->assertEqual(taxonomy_term_count_nodes($term3->tid, 'page'), 1, t("Term is associated with one node of type 'page'."));
-  }
 }
 
 /**
@@ -391,6 +322,20 @@ class TaxonomyTermTestCase extends TaxonomyWebTestCase {
     $this->admin_user = $this->drupalCreateUser(array('administer taxonomy', 'bypass node access'));
     $this->drupalLogin($this->admin_user);
     $this->vocabulary = $this->createVocabulary();
+
+    $this->instance = array(
+      'field_name' => 'taxonomy_' . $this->vocabulary->machine_name,
+      'bundle' => 'article',
+      'widget' => array(
+        'type' => 'options_select',
+      ),
+      'display' => array(
+        'full' => array(
+          'type' => 'taxonomy_term_link',
+        ),
+      ),
+    );
+    field_create_instance($this->instance);
   }
 
   /**
@@ -422,7 +367,7 @@ class TaxonomyTermTestCase extends TaxonomyWebTestCase {
 
     // Edit $term2, setting $term1 as parent.
     $edit = array();
-    $edit['parent[]'] = $term1->tid;
+    $edit['parent'] = $term1->tid;
     $this->drupalPost('taxonomy/term/' . $term2->tid . '/edit', $edit, t('Save'));
 
     // Check the hierarchy.
@@ -454,7 +399,7 @@ class TaxonomyTermTestCase extends TaxonomyWebTestCase {
     $edit['title'] = $this->randomName();
     $langcode = FIELD_LANGUAGE_NONE;
     $edit["body[$langcode][0][value]"] = $this->randomName();
-    $edit['taxonomy[' . $this->vocabulary->vid . ']'] = $term1->tid;
+    $edit[$this->instance['field_name'] . '[' . $langcode .'][value][]'] = $term1->tid;
     $this->drupalPost('node/add/article', $edit, t('Save'));
 
     // Check that the term is displayed when the node is viewed.
@@ -463,19 +408,11 @@ class TaxonomyTermTestCase extends TaxonomyWebTestCase {
     $this->assertText($term1->name, t('Term is displayed when viewing the node.'));
 
     // Edit the node with a different term.
-    $edit['taxonomy[' . $this->vocabulary->vid . ']'] = $term2->tid;
+    $edit[$this->instance['field_name'] . '[' . $langcode . '][value][]'] = $term2->tid;
     $this->drupalPost('node/' . $node->nid . '/edit', $edit, t('Save'));
 
     $this->drupalGet('node/' . $node->nid);
     $this->assertText($term2->name, t('Term is displayed when viewing the node.'));
-
-    // Delete node through browser.
-    $this->drupalPost('node/' . $node->nid . '/delete', array(), t('Delete'));
-    $this->drupalGet('node/' . $node->nid);
-    $this->assertNoText($term2->name, t('Checking if node exists'));
-    // Checking database fields.
-    $result = db_query('SELECT * FROM {taxonomy_term_node} WHERE nid = :nid', array(':nid' => $node->nid))->fetch();
-    $this->assertTrue(empty($result), t('Term/node relationships are no longer in the database table.'));
   }
 
   /**
@@ -483,22 +420,25 @@ class TaxonomyTermTestCase extends TaxonomyWebTestCase {
    */
   function testNodeTermCreation() {
     // Enable tags in the vocabulary.
-    $this->vocabulary->tags = 1;
-    taxonomy_vocabulary_save($this->vocabulary);
+    $instance = $this->instance;
+    $instance['widget'] = array('type' => 'taxonomy_autocomplete');
+    $instance['bundle'] = 'page';
+    field_create_instance($instance);
     $terms = array(
       $this->randomName(),
       $this->randomName(),
       $this->randomName(),
     );
+
     $edit = array();
     $edit['title'] = $this->randomName();
-    // Insert the terms in a comma separated list. Vocabulary 1 is a
-    // free-tagging field created by the default profile.
-    $edit['taxonomy[tags][' . $this->vocabulary->vid . ']'] =  implode(', ', $terms);
     $langcode = FIELD_LANGUAGE_NONE;
     $edit["body[$langcode][0][value]"] = $this->randomName();
-    $this->drupalPost('node/add/article', $edit, t('Save'));
-    $this->assertRaw(t('@type %title has been created.', array('@type' => t('Article'), '%title' => $edit['title'])), t('The node was created successfully'));
+    // Insert the terms in a comma separated list. Vocabulary 1 is a
+    // free-tagging field created by the default profile.
+    $edit[$instance['field_name'] . "[$langcode][value]"] = implode(', ', $terms);
+    $this->drupalPost('node/add/page', $edit, t('Save'));
+    $this->assertRaw(t('@type %title has been created.', array('@type' => t('Page'), '%title' => $edit['title'])), t('The node was created successfully'));
     foreach ($terms as $term) {
       $this->assertText($term, t('The term was saved and appears on the node page'));
     }
@@ -514,7 +454,7 @@ class TaxonomyTermTestCase extends TaxonomyWebTestCase {
     );
     // Explicitly set the parents field to 'root', to ensure that
     // taxonomy_form_term_submit() handles the invalid term ID correctly.
-    $edit['parent[]'] = 0;
+    $edit['parent'] = 0;
 
     // Create the term to edit.
     $this->drupalPost('admin/structure/taxonomy/' . $this->vocabulary->vid . '/list/add', $edit, t('Save'));
diff --git a/profiles/default/default.install b/profiles/default/default.install
index 8831f543582467deaae0afae7c91a5d05bcd9247..04a3496b001f575b34c6332ea2210d2b090d85d1 100644
--- a/profiles/default/default.install
+++ b/profiles/default/default.install
@@ -175,20 +175,26 @@ function default_install() {
   variable_set('theme_settings', $theme_settings);
 
   // Create a default vocabulary named "Tags", enabled for the 'article' content type.
-  $vocabulary = new stdClass;
-  $vocabulary->name = 'Tags';
-  $vocabulary->description = st('Use tags to group articles on similar topics into categories.');
-  $vocabulary->machine_name = 'tags';
-  $vocabulary->help = st('Enter a comma-separated list of words to describe your content.');
-  $vocabulary->relations = 0;
-  $vocabulary->hierarchy = 0;
-  $vocabulary->multiple = 0;
-  $vocabulary->required = 0;
-  $vocabulary->tags = 1;
-  $vocabulary->module = 'taxonomy';
-  $vocabulary->weight = 0;
-  $vocabulary->nodes = array('article' => 'article');
+  $description = st('Use tags to group articles on similar topics into categories.');
+  $help = st('Enter a comma-separated list of words to describe your content.');
+  $vocabulary = (object) array(
+    'name' => 'Tags',
+    'description' => $description,
+    'machine_name' => 'tags',
+    'help' => $help,
+    'weight' => 0,
+  );
   taxonomy_vocabulary_save($vocabulary);
+  $instance = array(
+    'field_name' => 'taxonomy_' . $vocabulary->machine_name,
+    'label' => $vocabulary->name,
+    'bundle' => 'article',
+    'description' => $vocabulary->help,
+    'widget' => array(
+      'type' => 'taxonomy_autocomplete',
+    ),
+  );
+  field_create_instance($instance);
 
   // Enable default permissions for system roles.
   user_role_grant_permissions(DRUPAL_ANONYMOUS_RID, array('access content', 'use text format 1'));