diff --git a/src/applications/differential/editor/revision/DifferentialRevisionEditor.php b/src/applications/differential/editor/revision/DifferentialRevisionEditor.php
index 3f9e91d010..822c641031 100644
--- a/src/applications/differential/editor/revision/DifferentialRevisionEditor.php
+++ b/src/applications/differential/editor/revision/DifferentialRevisionEditor.php
@@ -308,12 +308,10 @@ class DifferentialRevisionEditor {
       $stable[$key] = array_diff_key($old[$key], $add[$key] + $rem[$key]);
     }
 
-    self::removeReviewers(
+    self::alterReviewers(
       $revision,
+      $this->reviewers,
       array_keys($rem['rev']),
-      $this->actorPHID);
-    self::addReviewers(
-      $revision,
       array_keys($add['rev']),
       $this->actorPHID);
 
@@ -493,42 +491,93 @@ class DifferentialRevisionEditor {
   }
 
 
-  public static function addReviewers(
+  public static function alterReviewers(
     DifferentialRevision $revision,
-    array $reviewer_ids,
+    array $stable_phids,
+    array $rem_phids,
+    array $add_phids,
     $reason_phid) {
-/*
-    foreach ($reviewer_ids as $reviewer_id) {
-      $relationship = new DifferentialRelationship();
-      $relationship->setRevisionID($revision->getID());
-      $relationship->setRelatedPHID($reviewer_id);
-      $relationship->setForbidden(false);
-      $relationship->setReasonPHID($reason_phid);
-      $relationship->setRelation(DifferentialRelationship::RELATION_REVIEWER);
-      $relationship->replace();
-    }
-*/
-  }
 
-  public static function removeReviewers(
-    DifferentialRevision $revision,
-    array $reviewer_ids,
-    $reason_phid) {
-/*
-    if (!$reviewer_ids) {
-      return;
+    $rem_map = array_fill_keys($rem_phids, true);
+    $add_map = array_fill_keys($add_phids, true);
+
+    $seq_map = array_values($stable_phids);
+    $seq_map = array_flip($seq_map);
+    foreach ($rem_map as $phid => $ignored) {
+      if (!isset($seq_map[$phid])) {
+        $seq_map[$phid] = count($seq_map);
+      }
+    }
+    foreach ($add_map as $phid => $ignored) {
+      if (!isset($seq_map[$phid])) {
+        $seq_map[$phid] = count($seq_map);
+      }
     }
 
-    foreach ($reviewer_ids as $reviewer_id) {
-      $relationship = new DifferentialRelationship();
-      $relationship->setRevisionID($revision->getID());
-      $relationship->setRelatedPHID($reviewer_id);
-      $relationship->setForbidden(true);
-      $relationship->setReasonPHID($reason_phid);
-      $relationship->setRelation(DifferentialRelationship::RELATION_REVIEWER);
-      $relationship->replace();
+    $raw = $revision->getRawRelations(DifferentialRevision::RELATION_REVIEWER);
+    $raw = ipull($raw, 'objectPHID');
+
+    $sequence = count($seq_map);
+    foreach ($raw as $phid => $relation) {
+      if (isset($seq_map[$phid])) {
+        $raw[$phid]['sequence'] = $seq_map[$phid];
+      } else {
+        $raw[$phid]['sequence'] = $sequence++;
+      }
     }
-*/
+    $raw = isort($raw, 'sequence');
+
+    foreach ($raw as $phid => $relation) {
+      if (isset($rem_map[$phid])) {
+        $relation['forbidden'] = true;
+        $relation['reasonPHID'] = $reason_phid;
+      } else if (isset($add_map[$phid])) {
+        $relation['forbidden'] = false;
+        $relation['reasonPHID'] = $reason_phid;
+      }
+    }
+
+    foreach ($add_phids as $add) {
+      $raw[] = array(
+        'objectPHID'  => $add,
+        'forbidden'   => false,
+        'sequence'    => idx($seq_map, $add, $sequence++),
+        'reasonPHID'  => $reason_phid,
+      );
+    }
+
+    $conn_w = $revision->establishConnection('w');
+
+    $sql = array();
+    foreach ($raw as $relation) {
+      $sql[] = qsprintf(
+        $conn_w,
+        '(%d, %s, %s, %d, %d, %s)',
+        $revision->getID(),
+        DifferentialRevision::RELATION_REVIEWER,
+        $relation['objectPHID'],
+        $relation['forbidden'],
+        $relation['sequence'],
+        $relation['reasonPHID']);
+    }
+
+    $conn_w->openTransaction();
+      queryfx(
+        $conn_w,
+        'DELETE FROM %T WHERE revisionID = %d AND relation = %s',
+        DifferentialRevision::RELATIONSHIP_TABLE,
+        $revision->getID(),
+        DifferentialRevision::RELATION_REVIEWER);
+      if ($sql) {
+        queryfx(
+          $conn_w,
+          'INSERT INTO %T
+            (revisionID, relation, objectPHID, forbidden, sequence, reasonPHID)
+          VALUES %Q',
+          DifferentialRevision::RELATIONSHIP_TABLE,
+          implode(', ', $sql));
+      }
+    $conn_w->saveTransaction();
   }
 
 /*
diff --git a/src/applications/differential/editor/revision/__init__.php b/src/applications/differential/editor/revision/__init__.php
index 1be89fe9a6..6a5577586c 100644
--- a/src/applications/differential/editor/revision/__init__.php
+++ b/src/applications/differential/editor/revision/__init__.php
@@ -10,6 +10,9 @@ phutil_require_module('phabricator', 'applications/differential/constants/revisi
 phutil_require_module('phabricator', 'applications/differential/mail/ccwelcome');
 phutil_require_module('phabricator', 'applications/differential/mail/newdiff');
 phutil_require_module('phabricator', 'applications/differential/storage/changeset');
+phutil_require_module('phabricator', 'applications/differential/storage/revision');
+phutil_require_module('phabricator', 'storage/qsprintf');
+phutil_require_module('phabricator', 'storage/queryfx');
 
 phutil_require_module('phutil', 'utils');
 
diff --git a/src/applications/differential/storage/revision/DifferentialRevision.php b/src/applications/differential/storage/revision/DifferentialRevision.php
index 5f3b6008ca..a14989e48e 100755
--- a/src/applications/differential/storage/revision/DifferentialRevision.php
+++ b/src/applications/differential/storage/revision/DifferentialRevision.php
@@ -32,7 +32,15 @@ class DifferentialRevision extends DifferentialDAO {
   protected $dateCommitted;
 
   protected $lineCount;
-  
+
+  private $related;
+  private $forbidden;
+
+  const RELATIONSHIP_TABLE    = 'differential_relationship';
+
+  const RELATION_REVIEWER     = 'revw';
+  const RELATION_SUBSCRIBED   = 'subd';
+
   public function getConfiguration() {
     return array(
       self::CONFIG_AUX_PHID => true,
@@ -42,17 +50,102 @@ class DifferentialRevision extends DifferentialDAO {
   public function generatePHID() {
     return PhabricatorPHID::generateNewPHID('DREV');
   }
-  
+
   public function loadRelationships() {
-    
+    if (!$this->getID()) {
+      $this->relationships = array();
+      $this->related = array();
+      $this->forbidden = array();
+      return;
+    }
+
+    $data = queryfx_all(
+      $this->establishConnection('r'),
+      'SELECT * FROM %T WHERE revisionID = %d ORDER BY sequence',
+      self::RELATIONSHIP_TABLE,
+      $this->getID());
+
+    $related = array();
+    $forbidden = array();
+
+    foreach ($data as $row) {
+      if ($row['forbidden']) {
+        $forbidden[] = $row;
+      } else {
+        $related[] = $row;
+      }
+    }
+
+    $this->related = igroup($related, 'relation');
+    $this->forbidden = igroup($related, 'relation');
+    $this->relationships = igroup($data, 'relation');
+
+    return $this;
   }
-  
+
   public function getReviewers() {
-    return array();
+    return $this->getRelatedPHIDs(self::RELATION_REVIEWER);
   }
-  
+
   public function getCCPHIDs() {
-    return array();
+    return $this->getRelatedPHIDs(self::RELATION_SUBSCRIBED);
+  }
+
+  private function getRelatedPHIDs($relation) {
+    if ($this->related === null) {
+      throw new Exception("Must load relationships!");
+    }
+
+    $related = idx($this->related, $relation, array());
+
+    return ipull($related, 'objectPHID');
+  }
+
+  public function getRawRelations($relation) {
+    return idx($this->relationships, $relation, array());
+  }
+
+  public function writeRelatedPHIDs(
+    $relation,
+    $phids,
+    $reason_phid,
+    $forbidden) {
+
+    $conn_w = $this->establishConnection('w');
+
+    $sql = array();
+    $phids = array_values($phids);
+    foreach ($phids as $key => $phid) {
+      $sql[] = qsprintf(
+        $conn_w,
+        '(%d, %s, %d, %s, %d)',
+        $this->getRevisionID(),
+        $phid,
+        $key,
+        $reason_phid,
+        $forbidden);
+    }
+
+    $conn_w->openTransaction();
+      queryfx(
+        $conn_w,
+        'DELETE FROM %T WHERE revisionID = %d AND relation = %s
+          AND forbidden = %d
+          AND relatedPHID NOT IN (%Ls)',
+        self::RELATIONSHIP_TABLE,
+        $this->getID(),
+        $relation,
+        $forbidden,
+        $phids);
+      queryfx(
+        $conn_w,
+        'INSERT INTO %T
+          (revisionID, relatedPHID, sequence, reason_phid, forbidden)
+        VALUES %Q
+          ON DUPLICATE KEY UPDATE sequence = VALUES(sequence)',
+        self::RELATIONSHIP_TABLE,
+        implode(', ', $sql));
+    $conn_w->saveTransaction();
   }
 
 }
diff --git a/src/applications/differential/storage/revision/__init__.php b/src/applications/differential/storage/revision/__init__.php
index 3ffc401e91..641a9e397b 100644
--- a/src/applications/differential/storage/revision/__init__.php
+++ b/src/applications/differential/storage/revision/__init__.php
@@ -7,6 +7,11 @@
 
 
 phutil_require_module('phabricator', 'applications/differential/storage/base');
+phutil_require_module('phabricator', 'applications/phid/storage/phid');
+phutil_require_module('phabricator', 'storage/qsprintf');
+phutil_require_module('phabricator', 'storage/queryfx');
+
+phutil_require_module('phutil', 'utils');
 
 
 phutil_require_source('DifferentialRevision.php');
diff --git a/src/storage/connection/base/AphrontDatabaseConnection.php b/src/storage/connection/base/AphrontDatabaseConnection.php
index f06769492f..5d7fd27e27 100644
--- a/src/storage/connection/base/AphrontDatabaseConnection.php
+++ b/src/storage/connection/base/AphrontDatabaseConnection.php
@@ -107,7 +107,7 @@ abstract class AphrontDatabaseConnection {
       self::$transactionShutdownRegistered = true;
       register_shutdown_function(
         array(
-          'LiskConnection',
+          'AphrontDatabaseConnection',
           'shutdownTransactionStacks',
         ));
     }