- Merge changes from MDB2's trunk

6 files changed, 151 insertions, 151 deletions

diff --git a/program/lib/MDB2/Driver/Manager/mssql.php b/program/lib/MDB2/Driver/Manager/mssql.php
index 16e1bbe38..22a40543a 100644
--- a/program/lib/MDB2/Driver/Manager/mssql.php
+++ b/program/lib/MDB2/Driver/Manager/mssql.php
@@ -44,7 +44,7 @@
 // |          Lorenzo Alberton <l.alberton@quipo.it>                      |
 // +----------------------------------------------------------------------+
 //
-// $Id: mssql.php 292715 2009-12-28 14:06:34Z quipo $
+// $Id: mssql.php 295587 2010-02-28 17:16:38Z quipo $
 //
 
 require_once 'MDB2/Driver/Manager/Common.php';
@@ -74,7 +74,7 @@ class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common
      */
     function createDatabase($name, $options = array())
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -106,7 +106,7 @@ class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common
      */
     function alterDatabase($name, $options = array())
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -138,7 +138,7 @@ class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common
      */
     function dropDatabase($name)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -245,7 +245,7 @@ class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common
      */
     function truncateTable($name)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -275,7 +275,7 @@ class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common
      */
     function vacuum($table = null, $options = array())
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -385,7 +385,7 @@ class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common
      */
     function alterTable($name, $changes, $check)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -546,7 +546,7 @@ class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common
      */
     function _dropConflictingIndices($table, $fields)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -592,7 +592,7 @@ class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common
      */
     function _dropConflictingConstraints($table, $fields)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -647,7 +647,7 @@ class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common
      */
     function _getTableFieldDefaultConstraint($table, $field)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -673,7 +673,7 @@ class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common
      */
     function listTables()
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
 
         if (PEAR::isError($db)) {
             return $db;
@@ -710,7 +710,7 @@ class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common
      */
     function listTableFields($table)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -742,7 +742,7 @@ class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common
      */
     function listTableIndexes($table)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -790,7 +790,7 @@ class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common
      */
     function listDatabases()
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -816,7 +816,7 @@ class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common
      */
     function listUsers()
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -842,7 +842,7 @@ class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common
      */
     function listFunctions()
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -883,7 +883,7 @@ class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common
      */
     function listTableTriggers($table = null)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -924,7 +924,7 @@ class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common
      */
     function listViews()
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -967,7 +967,7 @@ class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common
      */
     function dropIndex($table, $name)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -990,7 +990,7 @@ class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common
      */
     function listTableConstraints($table)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1033,7 +1033,7 @@ class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common
      */
     function createSequence($seq_name, $start = 1)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1079,7 +1079,7 @@ class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common
      */
     function dropSequence($seq_name)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1099,7 +1099,7 @@ class MDB2_Driver_Manager_mssql extends MDB2_Driver_Manager_Common
      */
     function listSequences()
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
diff --git a/program/lib/MDB2/Driver/Manager/mysql.php b/program/lib/MDB2/Driver/Manager/mysql.php
index 2fb15aac1..a7afa76e1 100644
--- a/program/lib/MDB2/Driver/Manager/mysql.php
+++ b/program/lib/MDB2/Driver/Manager/mysql.php
@@ -42,7 +42,7 @@
 // | Author: Lukas Smith <smith@pooteeweet.org>                           |
 // +----------------------------------------------------------------------+
 //
-// $Id: mysql.php 292715 2009-12-28 14:06:34Z quipo $
+// $Id: mysql.php 295587 2010-02-28 17:16:38Z quipo $
 //
 
 require_once 'MDB2/Driver/Manager/Common.php';
@@ -71,7 +71,7 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
      */
     function createDatabase($name, $options = array())
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -101,7 +101,7 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
      */
     function alterDatabase($name, $options = array())
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -128,7 +128,7 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
      */
     function dropDatabase($name)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -204,7 +204,7 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
      */
     function createTable($name, $fields, $options = array())
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -285,7 +285,7 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
      */
     function dropTable($name)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -321,7 +321,7 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
      */
     function truncateTable($name)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -349,7 +349,7 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
      */
     function vacuum($table = null, $options = array())
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -474,7 +474,7 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
      */
     function alterTable($name, $changes, $check)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -575,7 +575,7 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
      */
     function listDatabases()
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -601,7 +601,7 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
      */
     function listUsers()
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -620,7 +620,7 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
      */
     function listFunctions()
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -653,7 +653,7 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
      */
     function listTableTriggers($table = null)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -685,7 +685,7 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
      */
     function listTables($database = null)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -725,7 +725,7 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
      */
     function listViews($database = null)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -759,7 +759,7 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
      */
     function listTableFields($table)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -815,7 +815,7 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
      */
     function createIndex($table, $name, $definition)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -848,7 +848,7 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
      */
     function dropIndex($table, $name)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -870,7 +870,7 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
      */
     function listTableIndexes($table)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -934,7 +934,7 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
      */
     function createConstraint($table, $name, $definition)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1008,7 +1008,7 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
      */
     function dropConstraint($table, $name, $primary = false)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1058,7 +1058,7 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
      */
     function _createFKTriggers($table, $foreign_keys)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1204,7 +1204,7 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
      */
     function _dropFKTriggers($table, $fkname, $referenced_table)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1238,7 +1238,7 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
      */
     function listTableConstraints($table)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1313,7 +1313,7 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
      */
     function createSequence($seq_name, $start = 1, $options = array())
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1386,7 +1386,7 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
      */
     function dropSequence($seq_name)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1407,7 +1407,7 @@ class MDB2_Driver_Manager_mysql extends MDB2_Driver_Manager_Common
      */
     function listSequences($database = null)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
diff --git a/program/lib/MDB2/Driver/Manager/mysqli.php b/program/lib/MDB2/Driver/Manager/mysqli.php
index d08544988..f01747aa7 100644
--- a/program/lib/MDB2/Driver/Manager/mysqli.php
+++ b/program/lib/MDB2/Driver/Manager/mysqli.php
@@ -42,7 +42,7 @@
 // | Author: Lukas Smith <smith@pooteeweet.org>                           |
 // +----------------------------------------------------------------------+
 //
-// $Id: mysqli.php 292715 2009-12-28 14:06:34Z quipo $
+// $Id: mysqli.php 295587 2010-02-28 17:16:38Z quipo $
 //
 
 require_once 'MDB2/Driver/Manager/Common.php';
@@ -71,7 +71,7 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common
      */
     function createDatabase($name, $options = array())
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -101,7 +101,7 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common
      */
     function alterDatabase($name, $options = array())
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -128,7 +128,7 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common
      */
     function dropDatabase($name)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -204,7 +204,7 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common
      */
     function createTable($name, $fields, $options = array())
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -285,7 +285,7 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common
      */
     function dropTable($name)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -321,7 +321,7 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common
      */
     function truncateTable($name)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -349,7 +349,7 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common
      */
     function vacuum($table = null, $options = array())
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -474,7 +474,7 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common
      */
     function alterTable($name, $changes, $check)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -575,7 +575,7 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common
      */
     function listDatabases()
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -601,7 +601,7 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common
      */
     function listUsers()
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -620,7 +620,7 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common
      */
     function listFunctions()
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -653,7 +653,7 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common
      */
     function listTableTriggers($table = null)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -685,7 +685,7 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common
      */
     function listTables($database = null)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -725,7 +725,7 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common
      */
     function listViews($database = null)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -759,7 +759,7 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common
      */
     function listTableFields($table)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -815,7 +815,7 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common
      */
     function createIndex($table, $name, $definition)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -848,7 +848,7 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common
      */
     function dropIndex($table, $name)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -870,7 +870,7 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common
      */
     function listTableIndexes($table)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -934,7 +934,7 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common
      */
     function createConstraint($table, $name, $definition)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1008,7 +1008,7 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common
      */
     function dropConstraint($table, $name, $primary = false)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1058,7 +1058,7 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common
      */
     function _createFKTriggers($table, $foreign_keys)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1204,7 +1204,7 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common
      */
     function _dropFKTriggers($table, $fkname, $referenced_table)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1238,7 +1238,7 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common
      */
     function listTableConstraints($table)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1313,7 +1313,7 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common
      */
     function createSequence($seq_name, $start = 1, $options = array())
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1386,7 +1386,7 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common
      */
     function dropSequence($seq_name)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1407,7 +1407,7 @@ class MDB2_Driver_Manager_mysqli extends MDB2_Driver_Manager_Common
      */
     function listSequences($database = null)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
diff --git a/program/lib/MDB2/Driver/Manager/pgsql.php b/program/lib/MDB2/Driver/Manager/pgsql.php
index 913a58db0..7d356277b 100644
--- a/program/lib/MDB2/Driver/Manager/pgsql.php
+++ b/program/lib/MDB2/Driver/Manager/pgsql.php
@@ -42,7 +42,7 @@
 // | Author: Paul Cooper <pgc@ucecom.com>                                 |
 // +----------------------------------------------------------------------+
 //
-// $Id: pgsql.php 292715 2009-12-28 14:06:34Z quipo $
+// $Id: pgsql.php 295587 2010-02-28 17:16:38Z quipo $
 
 require_once 'MDB2/Driver/Manager/Common.php';
 
@@ -68,7 +68,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function createDatabase($name, $options = array())
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -95,7 +95,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function alterDatabase($name, $options = array())
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -122,7 +122,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function dropDatabase($name)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -181,7 +181,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function truncateTable($name)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -209,7 +209,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function vacuum($table = null, $options = array())
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -326,7 +326,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function alterTable($name, $changes, $check)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -441,7 +441,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function listDatabases()
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -474,7 +474,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function listUsers()
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -501,7 +501,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function listViews()
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -532,7 +532,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function listTableViews($table)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -560,7 +560,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function listFunctions()
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -599,7 +599,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function listTableTriggers($table = null)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -633,7 +633,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function listTables()
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -680,7 +680,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function listTableFields($table)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -716,7 +716,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function listTableIndexes($table)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -769,7 +769,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function dropConstraint($table, $name, $primary = false)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -817,7 +817,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function listTableConstraints($table)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -882,7 +882,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function createSequence($seq_name, $start = 1)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -904,7 +904,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function dropSequence($seq_name)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -924,7 +924,7 @@ class MDB2_Driver_Manager_pgsql extends MDB2_Driver_Manager_Common
      */
     function listSequences()
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
diff --git a/program/lib/MDB2/Driver/Manager/sqlite.php b/program/lib/MDB2/Driver/Manager/sqlite.php
index ba0d162c5..aa01caf32 100644
--- a/program/lib/MDB2/Driver/Manager/sqlite.php
+++ b/program/lib/MDB2/Driver/Manager/sqlite.php
@@ -43,7 +43,7 @@
 // |          Lorenzo Alberton <l.alberton@quipo.it>                      |
 // +----------------------------------------------------------------------+
 //
-// $Id: sqlite.php 292715 2009-12-28 14:06:34Z quipo $
+// $Id: sqlite.php 295587 2010-02-28 17:16:38Z quipo $
 //
 
 require_once 'MDB2/Driver/Manager/Common.php';
@@ -71,7 +71,7 @@ class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common
      */
     function createDatabase($name, $options = array())
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -107,7 +107,7 @@ class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common
      */
     function dropDatabase($name)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -174,7 +174,7 @@ class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common
      */
     function _getCreateTableQuery($name, $fields, $options = array())
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -236,7 +236,7 @@ class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common
         }
         // create triggers to enforce FOREIGN KEY constraints
         if (!empty($options['foreign_keys'])) {
-            $db =& $this->getDBInstance();
+            $db = $this->getDBInstance();
             if (PEAR::isError($db)) {
                 return $db;
             }
@@ -384,7 +384,7 @@ class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common
      */
     function dropTable($name)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -427,7 +427,7 @@ class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common
      */
     function vacuum($table = null, $options = array())
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -534,7 +534,7 @@ class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common
      */
     function alterTable($name, $changes, $check, $options = array())
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -687,7 +687,7 @@ class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common
             $query = 'INSERT INTO '.$db->quoteIdentifier($name_new, true);
             $query.= '('.implode(', ', array_slice(array_keys($fields), 0, count($select_fields))).')';
             $query.=' VALUES (?'.str_repeat(', ?', (count($select_fields) - 1)).')';
-            $stmt =& $db->prepare($query, null, MDB2_PREPARE_MANIP);
+            $stmt = $db->prepare($query, null, MDB2_PREPARE_MANIP);
             if (PEAR::isError($stmt)) {
                 return $stmt;
             }
@@ -712,7 +712,7 @@ class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common
      */
     function listDatabases()
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -732,7 +732,7 @@ class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common
      */
     function listUsers()
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -752,7 +752,7 @@ class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common
      */
     function listViews()
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -780,7 +780,7 @@ class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common
      */
     function listTableViews($table)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -816,7 +816,7 @@ class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common
      */
     function listTables()
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -850,7 +850,7 @@ class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common
      */
     function listTableFields($table)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -898,7 +898,7 @@ class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common
      */
     function listTableTriggers($table = null)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -958,7 +958,7 @@ class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common
      */
     function createIndex($table, $name, $definition)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -998,7 +998,7 @@ class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common
      */
     function dropIndex($table, $name)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1019,7 +1019,7 @@ class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common
      */
     function listTableIndexes($table)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1080,7 +1080,7 @@ class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common
      */
     function createConstraint($table, $name, $definition)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1133,7 +1133,7 @@ class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common
             return $this->alterTable($table, array(), false, array('primary' => null));
         }
 
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1170,7 +1170,7 @@ class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common
      */
     function _dropFKTriggers($table, $fkname, $referenced_table)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1204,7 +1204,7 @@ class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common
      */
     function listTableConstraints($table)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1274,7 +1274,7 @@ class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common
      */
     function createSequence($seq_name, $start = 1)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1315,7 +1315,7 @@ class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common
      */
     function dropSequence($seq_name)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1335,7 +1335,7 @@ class MDB2_Driver_Manager_sqlite extends MDB2_Driver_Manager_Common
      */
     function listSequences()
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
diff --git a/program/lib/MDB2/Driver/Manager/sqlsrv.php b/program/lib/MDB2/Driver/Manager/sqlsrv.php
index d0cac98c7..256e000af 100644
--- a/program/lib/MDB2/Driver/Manager/sqlsrv.php
+++ b/program/lib/MDB2/Driver/Manager/sqlsrv.php
@@ -71,7 +71,7 @@ class MDB2_Driver_Manager_sqlsrv extends MDB2_Driver_Manager_Common
      */
     function createDatabase($name, $options = array())
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -103,7 +103,7 @@ class MDB2_Driver_Manager_sqlsrv extends MDB2_Driver_Manager_Common
      */
     function alterDatabase($name, $options = array())
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -135,7 +135,7 @@ class MDB2_Driver_Manager_sqlsrv extends MDB2_Driver_Manager_Common
      */
     function dropDatabase($name)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -156,7 +156,7 @@ class MDB2_Driver_Manager_sqlsrv extends MDB2_Driver_Manager_Common
      */
     function dropTable($name)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -262,7 +262,7 @@ class MDB2_Driver_Manager_sqlsrv extends MDB2_Driver_Manager_Common
      */
     function truncateTable($name)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -292,7 +292,7 @@ class MDB2_Driver_Manager_sqlsrv extends MDB2_Driver_Manager_Common
      */
     function vacuum($table = null, $options = array())
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -402,7 +402,7 @@ class MDB2_Driver_Manager_sqlsrv extends MDB2_Driver_Manager_Common
      */
     function alterTable($name, $changes, $check)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -563,7 +563,7 @@ class MDB2_Driver_Manager_sqlsrv extends MDB2_Driver_Manager_Common
      */
     function _dropConflictingIndices($table, $fields)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -609,7 +609,7 @@ class MDB2_Driver_Manager_sqlsrv extends MDB2_Driver_Manager_Common
      */
     function _dropConflictingConstraints($table, $fields)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -664,7 +664,7 @@ class MDB2_Driver_Manager_sqlsrv extends MDB2_Driver_Manager_Common
      */
     function _getTableFieldDefaultConstraint($table, $field)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -690,7 +690,7 @@ class MDB2_Driver_Manager_sqlsrv extends MDB2_Driver_Manager_Common
      */
     function listTables()
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
 
         if (PEAR::isError($db)) {
             return $db;
@@ -727,7 +727,7 @@ class MDB2_Driver_Manager_sqlsrv extends MDB2_Driver_Manager_Common
      */
     function listTableFields($table)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -759,7 +759,7 @@ class MDB2_Driver_Manager_sqlsrv extends MDB2_Driver_Manager_Common
      */
     function listTableIndexes($table)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -807,7 +807,7 @@ class MDB2_Driver_Manager_sqlsrv extends MDB2_Driver_Manager_Common
      */
     function listDatabases()
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -833,7 +833,7 @@ class MDB2_Driver_Manager_sqlsrv extends MDB2_Driver_Manager_Common
      */
     function listUsers()
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -859,7 +859,7 @@ class MDB2_Driver_Manager_sqlsrv extends MDB2_Driver_Manager_Common
      */
     function listFunctions()
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -900,7 +900,7 @@ class MDB2_Driver_Manager_sqlsrv extends MDB2_Driver_Manager_Common
      */
     function listTableTriggers($table = null)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -941,7 +941,7 @@ class MDB2_Driver_Manager_sqlsrv extends MDB2_Driver_Manager_Common
      */
     function listViews()
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -984,7 +984,7 @@ class MDB2_Driver_Manager_sqlsrv extends MDB2_Driver_Manager_Common
      */
     function dropIndex($table, $name)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1007,7 +1007,7 @@ class MDB2_Driver_Manager_sqlsrv extends MDB2_Driver_Manager_Common
      */
     function listTableConstraints($table)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1052,7 +1052,7 @@ class MDB2_Driver_Manager_sqlsrv extends MDB2_Driver_Manager_Common
      */
     function _getCreateTableQuery($name, $fields, $options = array())
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1097,7 +1097,7 @@ class MDB2_Driver_Manager_sqlsrv extends MDB2_Driver_Manager_Common
      */
     function createSequence($seq_name, $start = 1)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1143,7 +1143,7 @@ class MDB2_Driver_Manager_sqlsrv extends MDB2_Driver_Manager_Common
      */
     function dropSequence($seq_name)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1163,7 +1163,7 @@ class MDB2_Driver_Manager_sqlsrv extends MDB2_Driver_Manager_Common
      */
     function listSequences()
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1217,7 +1217,7 @@ class MDB2_Driver_Manager_sqlsrv extends MDB2_Driver_Manager_Common
      */
     function getTableStatus($table)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1239,7 +1239,7 @@ class MDB2_Driver_Manager_sqlsrv extends MDB2_Driver_Manager_Common
 
     function checkTable($tableName)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }
@@ -1345,7 +1345,7 @@ class MDB2_Driver_Manager_sqlsrv extends MDB2_Driver_Manager_Common
      */
     function createConstraint($table, $name, $definition)
     {
-        $db =& $this->getDBInstance();
+        $db = $this->getDBInstance();
         if (PEAR::isError($db)) {
             return $db;
         }