diff --git a/applications/dashboard/settings/structure.php b/applications/dashboard/settings/structure.php
index 0f7d89c8aee..694b5b9724a 100755
--- a/applications/dashboard/settings/structure.php
+++ b/applications/dashboard/settings/structure.php
@@ -440,9 +440,41 @@
    $Construct->Table('User')->DropColumn('PhotoID');
 }
 
+// This is a fix for erroneos unique constraint.
+if ($Construct->TableExists('Tag')) {
+   $Db = Gdn::Database();
+   $Px = Gdn::Database()->DatabasePrefix;
+   
+   $DupTags = Gdn::SQL()
+      ->Select('Name')
+      ->Select('TagID', 'min', 'TagID')
+      ->Select('TagID', 'count', 'CountTags')
+      ->From('Tag')
+      ->GroupBy('Name')
+      ->Having('CountTags >', 1)
+      ->Get()->ResultArray();
+   
+   foreach ($DupTags as $Row) {
+      $Name = $Row['Name'];
+      $TagID = $Row['TagID'];
+      // Get the tags that need to be deleted.
+      $DeleteTags = Gdn::SQL()->GetWhere('Tag', array('Name' => $Name, 'TagID <> ' => $TagID))->ResultArray();
+      foreach ($DeleteTags as $DRow) {
+         // Update all of the discussions to the new tag.
+         Gdn::SQL()->Options('Ignore', TRUE)->Put(
+            'TagDiscussion', 
+            array('TagID' => $TagID), 
+            array('TagID' => $DRow['TagID']));
+         
+         // Delete the tag.
+         Gdn::SQL()->Delete('Tag', array('TagID' => $DRow['TagID']));
+      }
+   }
+}
+
 $Construct->Table('Tag')
 	->PrimaryKey('TagID')
-   ->Column('Name', 'varchar(255)', 'unique')
+   ->Column('Name', 'varchar(255)', FALSE, 'unique')
    ->Column('Type', 'varchar(10)', NULL, 'index')
    ->Column('InsertUserID', 'int', TRUE, 'key')
    ->Column('DateInserted', 'datetime')
diff --git a/applications/dashboard/views/authentication/choose.php b/applications/dashboard/views/authentication/choose.php
index d32d47f1173..32e3dc6531f 100644
--- a/applications/dashboard/views/authentication/choose.php
+++ b/applications/dashboard/views/authentication/choose.php
@@ -61,7 +61,7 @@
       $('select#Form_Garden-dot-Authentication-dot-Chooser').bind('change',function(e){
          var Chooser = $(e.target);
          var SliceElement = $('div.AuthenticationConfigure');
-         var SliceObj = SliceElement.attr('Slice');
+         var SliceObj = SliceElement.prop('Slice');
          
          var ChooserVal = Chooser.val();
          var ChosenURL = (ConfigureList[ChooserVal]) ? ConfigureList[ChooserVal] : ((ConfigureList[ChooserVal] != 'undefined') ? '/dashboard/authentication/configure/'+ChooserVal : false);
diff --git a/library/database/class.dataset.php b/library/database/class.dataset.php
index 25ecd1c2a9b..5d2862e2228 100755
--- a/library/database/class.dataset.php
+++ b/library/database/class.dataset.php
@@ -250,7 +250,7 @@ public static function Index($Data, $Columns, $Options = array()) {
     *  - <b>prefix</b>: The name of the prefix to give the columns. Can't be used with <b>column</b>.
     * @param array $Options An array of extra options.
     *  - <b>sql</b>: A Gdn_SQLDriver with the child query.
-    *  - <b>type</b>: The join type, either JOIN_INNER, JOIN_LEFT. This defaults to JOIN_INNER.
+    *  - <b>type</b>: The join type, either JOIN_INNER, JOIN_LEFT. This defaults to JOIN_LEFT.
     */
    public static function Join(&$Data, $Columns, $Options = array()) {
       $Options = array_change_key_case($Options);
@@ -321,7 +321,7 @@ public static function Join(&$Data, $Columns, $Options = array()) {
          if (isset($ChildColumn))
             $ParentColumn = $ChildColumn;
          elseif (isset($Table))
-            $ChildColumn = $Table.'ID';
+            $ParentColumn = $Table.'ID';
          else
             throw Exception("Gdn_DataSet::Join(): Missing 'parent' argument'.");
       }
@@ -348,11 +348,18 @@ public static function Join(&$Data, $Columns, $Options = array()) {
       $Sql->Select("$TableAlias.$ChildColumn");
       
       // Get the IDs to generate an in clause with.
-      $IDs = ConsolidateArrayValuesByKey($Data, $ParentColumn);
+      $IDs = array();
+      foreach ($Data as $Row) {
+         $Value = GetValue($ParentColumn, $Row);
+         if ($Value)
+            $IDs[$Value] = TRUE;
+      }
+      
+      $IDs = array_keys($IDs);
       $Sql->WhereIn($ChildColumn, $IDs);
       
       $ChildData = $Sql->Get()->ResultArray();
-      $ChildData = self::Index($ChildData, $ChildColumn, array('unique' => isset($ColumnPrefix)));
+      $ChildData = self::Index($ChildData, $ChildColumn, array('unique' => GetValue('unique', $Options, isset($ColumnPrefix))));
       
       $NotFound = array();
 
diff --git a/library/database/class.mysqldriver.php b/library/database/class.mysqldriver.php
index bbd347be483..8a0775c4c68 100644
--- a/library/database/class.mysqldriver.php
+++ b/library/database/class.mysqldriver.php
@@ -306,7 +306,7 @@ public function GetUpdate($Tables, $Data, $Where) {
          $Sets[] = $Field." = ".$Value;
       }
 
-      $sql = 'update '.$this->_FromTables($Tables);
+      $sql = 'update '.($this->Options('Ignore') ? 'ignore ' : '').$this->_FromTables($Tables);
 
       if (count($this->_Joins) > 0) {
          $sql .= "\n";