diff --git a/core/modules/comment/lib/Drupal/comment/Plugin/views/argument/UserUid.php b/core/modules/comment/lib/Drupal/comment/Plugin/views/argument/UserUid.php
index e4fe764..613d4c8 100644
--- a/core/modules/comment/lib/Drupal/comment/Plugin/views/argument/UserUid.php
+++ b/core/modules/comment/lib/Drupal/comment/Plugin/views/argument/UserUid.php
@@ -25,10 +25,7 @@ function title() {
       $title = config('user.settings')->get('anonymous');
     }
     else {
-      $query = db_select('users', 'u');
-      $query->addField('u', 'name');
-      $query->condition('u.uid', $this->argument);
-      $title = $query->execute()->fetchField();
+      $title = db_query('SELECT u.name FROM {users} u WHERE u.uid = :uid', array(':uid' => $this->argument))->fetchField();
     }
     if (empty($title)) {
       return t('No user');
diff --git a/core/modules/comment/lib/Drupal/comment/Plugin/views/field/NodeNewComments.php b/core/modules/comment/lib/Drupal/comment/Plugin/views/field/NodeNewComments.php
index 3f3f903..2916a0a 100644
--- a/core/modules/comment/lib/Drupal/comment/Plugin/views/field/NodeNewComments.php
+++ b/core/modules/comment/lib/Drupal/comment/Plugin/views/field/NodeNewComments.php
@@ -76,16 +76,15 @@ function pre_render(&$values) {
     }
 
     if ($nids) {
-      $query = db_select('node', 'n');
-      $query->addField('n', 'nid');
-      $query->innerJoin('comment', 'c', 'n.nid = c.nid');
-      $query->addExpression('COUNT(c.cid)', 'num_comments');
-      $query->leftJoin('history', 'h', 'h.nid = n.nid');
-      $query->condition('n.nid', $nids);
-      $query->where('c.changed > GREATEST(COALESCE(h.timestamp, :timestamp), :timestamp)', array(':timestamp' => HISTORY_READ_LIMIT));
-      $query->condition('c.status', COMMENT_PUBLISHED);
-      $query->groupBy('n.nid');
-      $result = $query->execute();
+      $result = db_query("SELECT n.nid, COUNT(c.cid) as num_comments FROM {node} n INNER JOIN {comment} c ON n.nid = c.nid
+        LEFT JOIN {history} h ON h.nid = n.nid AND h.uid = :h_uid WHERE n.nid IN (:nids)
+        AND c.changed > GREATEST(COALESCE(h.timestamp, :timestamp), :timestamp) AND c.status = :status GROUP BY n.nid", array(
+          ':status' => COMMENT_PUBLISHED,
+          ':h_uid' => $user->uid,
+          ':nids' => $nids,
+          ':timestamp' => HISTORY_READ_LIMIT,
+        ));
+
       foreach ($result as $node) {
         foreach ($ids[$node->nid] as $id) {
           $values[$id]->{$this->field_alias} = $node->num_comments;
diff --git a/core/modules/node/lib/Drupal/node/Plugin/views/argument/Vid.php b/core/modules/node/lib/Drupal/node/Plugin/views/argument/Vid.php
index eb2565b..3728d83 100644
--- a/core/modules/node/lib/Drupal/node/Plugin/views/argument/Vid.php
+++ b/core/modules/node/lib/Drupal/node/Plugin/views/argument/Vid.php
@@ -25,11 +25,7 @@ class Vid extends Numeric {
   function title_query() {
     $titles = array();
 
-    $results = db_select('node_field_revision', 'npr')
-      ->fields('npr', array('vid', 'nid', 'title'))
-      ->condition('npr.vid', $this->value)
-      ->execute()
-      ->fetchAllAssoc('vid', PDO::FETCH_ASSOC);
+    $results = db_query("SELECT npr.vid, npr.nid, npr.title FROM {node_field_revision} npr WHERE npr.vid IN (:vids)", array(':vids' => $this->value))->fetchAllAssoc('vid', PDO::FETCH_ASSOC);
     $nids = array();
     foreach ($results as $result) {
       $nids[] = $result['nid'];
diff --git a/core/modules/user/lib/Drupal/user/Plugin/views/argument_validator/User.php b/core/modules/user/lib/Drupal/user/Plugin/views/argument_validator/User.php
index 929ed42..c84916e 100644
--- a/core/modules/user/lib/Drupal/user/Plugin/views/argument_validator/User.php
+++ b/core/modules/user/lib/Drupal/user/Plugin/views/argument_validator/User.php
@@ -120,10 +120,7 @@ function validate_argument($argument) {
       $roles = $this->options['roles'];
       $account->roles = array();
       $account->roles[] = $account->uid ? DRUPAL_AUTHENTICATED_RID : DRUPAL_ANONYMOUS_RID;
-      $query = db_select('users_roles', 'u');
-      $query->addField('u', 'rid');
-      $query->condition('u.uid', $account->uid);
-      $result = $query->execute();
+      $result = db_query('SELECT rid FROM {users_roles} WHERE uid = :uid', array(':uid' => $account->uid));
       foreach ($result as $role) {
         $account->roles[] = $role->rid;
       }
diff --git a/core/modules/user/lib/Drupal/user/Plugin/views/field/Permissions.php b/core/modules/user/lib/Drupal/user/Plugin/views/field/Permissions.php
index 7aa22fe..bf55cb3 100644
--- a/core/modules/user/lib/Drupal/user/Plugin/views/field/Permissions.php
+++ b/core/modules/user/lib/Drupal/user/Plugin/views/field/Permissions.php
@@ -55,14 +55,8 @@ function pre_render(&$values) {
 
       $permissions = module_invoke_all('permission');
 
-      $query = db_select('role_permission', 'rp');
-      $query->join('users_roles', 'u', 'u.rid = rp.rid');
-      $query->fields('u', array('uid', 'rid'));
-      $query->addField('rp', 'permission');
-      $query->condition('u.uid', $uids);
-      $query->condition('rp.module', array_keys($modules));
-      $query->orderBy('rp.permission');
-      $result = $query->execute();
+      $result = db_query("SELECT u.uid, u.rid, rp.permission FROM {role_permission} rp INNER JOIN {users_roles} u ON u.rid = rp.rid WHERE u.uid IN (:uids) AND rp.module IN (:modules) ORDER BY rp.permission",
+        array(':uids' => $uids, ':modules' => array_keys($modules)));
 
       foreach ($result as $perm) {
         $this->items[$perm->uid][$perm->permission]['permission'] = $permissions[$perm->permission]['title'];
diff --git a/core/modules/user/lib/Drupal/user/Plugin/views/field/Roles.php b/core/modules/user/lib/Drupal/user/Plugin/views/field/Roles.php
index 64480b5..e23e5c5 100644
--- a/core/modules/user/lib/Drupal/user/Plugin/views/field/Roles.php
+++ b/core/modules/user/lib/Drupal/user/Plugin/views/field/Roles.php
@@ -45,12 +45,7 @@ function pre_render(&$values) {
 
     if ($uids) {
       $roles = user_roles();
-      $query = db_select('users_roles', 'u');
-      $query->fields('u', array('uid', 'rid'));
-      $query->condition('u.rid', array_keys($roles));
-      $query->condition('u.uid', $uids);
-
-      $result = $query->execute();
+      $result = db_query("SELECT u.uid, u.rid FROM {users_roles} u WHERE u.uid IN (:uids) AND u.rid IN (:rids)", array(':uids' => $uids, ':rids' => array_keys($roles)));
       foreach ($result as $role) {
         $this->items[$role->uid][$role->rid]['role'] = check_plain($roles[$role->rid]->label());
         $this->items[$role->uid][$role->rid]['rid'] = $role->rid;