diff --git a/administrator/components/com_banners/tables/client.php b/administrator/components/com_banners/tables/client.php
index 98a40692b2a5c..bf926c9fac77a 100644
--- a/administrator/components/com_banners/tables/client.php
+++ b/administrator/components/com_banners/tables/client.php
@@ -72,7 +72,7 @@ public function publish($pks = null, $state = 1, $userId = 0)
 		}
 
 		// Build the WHERE clause for the primary keys.
-		$where = $k . '=' . implode(' OR ' . $k . '=', $pks);
+		$where = $this->_db->quoteName($k) . ' IN (' . implode(',', $pks) . ')';
 
 		// Determine if there is checkin support for the table.
 		if (!property_exists($this, 'checked_out') || !property_exists($this, 'checked_out_time'))
@@ -88,7 +88,7 @@ public function publish($pks = null, $state = 1, $userId = 0)
 		$this->_db->setQuery(
 			'UPDATE ' . $this->_db->quoteName($this->_tbl) .
 			' SET ' . $this->_db->quoteName('state') . ' = ' . (int) $state .
-			' WHERE (' . $where . ')' .
+			' WHERE ' . $where .
 			$checkin
 		);
 
diff --git a/administrator/components/com_finder/tables/filter.php b/administrator/components/com_finder/tables/filter.php
index b644d9f60d075..2f7fbf0d9b3b7 100644
--- a/administrator/components/com_finder/tables/filter.php
+++ b/administrator/components/com_finder/tables/filter.php
@@ -130,7 +130,7 @@ public function publish($pks = null, $state = 1, $userId = 0)
 		}
 
 		// Build the WHERE clause for the primary keys.
-		$where = $k . '=' . implode(' OR ' . $k . '=', $pks);
+		$where = $this->_db->quoteName($k) . ' IN (' . implode(',', $pks) . ')';
 
 		// Determine if there is checkin support for the table.
 		if (!property_exists($this, 'checked_out') || !property_exists($this, 'checked_out_time'))
diff --git a/administrator/components/com_finder/tables/map.php b/administrator/components/com_finder/tables/map.php
index 5a77dafc0ad60..406ebea039cc6 100644
--- a/administrator/components/com_finder/tables/map.php
+++ b/administrator/components/com_finder/tables/map.php
@@ -68,7 +68,7 @@ public function publish($pks = null, $state = 1, $userId = 0)
 		}
 
 		// Build the WHERE clause for the primary keys.
-		$where = $k . '=' . implode(' OR ' . $k . '=', $pks);
+		$where = $this->_db->quoteName($k) . ' IN (' . implode(',', $pks) . ')';
 
 		// Update the publishing state for rows with the given primary keys.
 		$query = $this->_db->getQuery(true)
diff --git a/administrator/components/com_users/tables/note.php b/administrator/components/com_users/tables/note.php
index 32120980cbc22..c65d99123e323 100644
--- a/administrator/components/com_users/tables/note.php
+++ b/administrator/components/com_users/tables/note.php
@@ -106,7 +106,7 @@ public function publish($pks = null, $state = 1, $userId = 0)
 			->set($this->_db->quoteName('state') . ' = ' . (int) $state);
 
 		// Build the WHERE clause for the primary keys.
-		$query->where($k . '=' . implode(' OR ' . $k . '=', $pks));
+		$query->where($this->_db->quoteName($k) . ' IN (' . implode(',', $pks) . ')');
 
 		// Determine if there is checkin support for the table.
 		if (!property_exists($this, 'checked_out') || !property_exists($this, 'checked_out_time'))
diff --git a/administrator/components/com_weblinks/tables/weblink.php b/administrator/components/com_weblinks/tables/weblink.php
index e04fbacdd2216..0f30d5511572b 100644
--- a/administrator/components/com_weblinks/tables/weblink.php
+++ b/administrator/components/com_weblinks/tables/weblink.php
@@ -237,7 +237,7 @@ public function publish($pks = null, $state = 1, $userId = 0)
 		}
 
 		// Build the WHERE clause for the primary keys.
-		$where = $k.'='.implode(' OR '.$k.'=', $pks);
+		$where = $this->_db->quoteName($k) . ' IN (' . implode(',', $pks) . ')';
 
 		// Determine if there is checkin support for the table.
 		if (!property_exists($this, 'checked_out') || !property_exists($this, 'checked_out_time'))
@@ -253,7 +253,7 @@ public function publish($pks = null, $state = 1, $userId = 0)
 		$this->_db->setQuery(
 			'UPDATE '.$this->_db->quoteName($this->_tbl) .
 			' SET '.$this->_db->quoteName('state').' = '.(int) $state .
-			' WHERE ('.$where.')' .
+			' WHERE ' . $where .
 			$checkin
 		);
 
diff --git a/libraries/joomla/table/extension.php b/libraries/joomla/table/extension.php
index 2cd6ae8032e8f..089dc70cc3168 100644
--- a/libraries/joomla/table/extension.php
+++ b/libraries/joomla/table/extension.php
@@ -148,7 +148,7 @@ public function publish($pks = null, $state = 1, $userId = 0)
 		}
 
 		// Build the WHERE clause for the primary keys.
-		$where = $k . '=' . implode(' OR ' . $k . '=', $pks);
+		$where = $this->_db->quoteName($k) . ' IN (' . implode(',', $pks) . ')';
 
 		// Determine if there is checkin support for the table.
 		if (!property_exists($this, 'checked_out') || !property_exists($this, 'checked_out_time'))
@@ -164,7 +164,7 @@ public function publish($pks = null, $state = 1, $userId = 0)
 		$query = $this->_db->getQuery(true)
 			->update($this->_db->quoteName($this->_tbl))
 			->set($this->_db->quoteName('enabled') . ' = ' . (int) $state)
-			->where('(' . $where . ')' . $checkin);
+			->where($where . $checkin);
 		$this->_db->setQuery($query);
 		$this->_db->execute();
 
diff --git a/libraries/joomla/table/user.php b/libraries/joomla/table/user.php
index e09520efb4b68..1b0a3894c0b92 100644
--- a/libraries/joomla/table/user.php
+++ b/libraries/joomla/table/user.php
@@ -145,7 +145,7 @@ public function bind($array, $ignore = '')
 				->select($this->_db->quoteName('id'))
 				->select($this->_db->quoteName('title'))
 				->from($this->_db->quoteName('#__usergroups'))
-				->where($this->_db->quoteName('id') . ' = ' . implode(' OR ' . $this->_db->quoteName('id') . ' = ', $this->groups));
+				->where($this->_db->quoteName('id') . ' IN (' . implode(',', $this->groups) . ')');
 			$this->_db->setQuery($query);
 
 			// Set the titles for the user groups.
diff --git a/libraries/joomla/user/helper.php b/libraries/joomla/user/helper.php
index 4b3a1b0bd5471..89c084158ced3 100644
--- a/libraries/joomla/user/helper.php
+++ b/libraries/joomla/user/helper.php
@@ -163,7 +163,7 @@ public static function setUserGroups($userId, $groups)
 		$query = $db->getQuery(true)
 			->select($db->quoteName('id') . ', ' . $db->quoteName('title'))
 			->from($db->quoteName('#__usergroups'))
-			->where($db->quoteName('id') . ' = ' . implode(' OR ' . $db->quoteName('id') . ' = ', $user->groups));
+			->where($db->quoteName('id') . ' IN (' . implode(', ', $user->groups) . ')');
 		$db->setQuery($query);
 		$results = $db->loadObjectList();