diff --git a/db_operations.php b/db_operations.php
index 8677fb5b75..b81a7ecbaa 100644
--- a/db_operations.php
+++ b/db_operations.php
@@ -87,8 +87,6 @@ if (strlen($db) && (! empty($db_rename) || ! empty($db_copy))) {
         // go back to current db, just in case
         PMA_DBI_select_db($db);
 
-        $GLOBALS['sql_constraints_query_full_db'] = array();
-
         $tables_full = PMA_DBI_get_tables_full($db);
 
         require_once "libraries/plugin_interface.lib.php";
@@ -102,7 +100,10 @@ if (strlen($db) && (! empty($db_rename) || ! empty($db_copy))) {
                 'single_table' => isset($single_table)
             )
         );
-        PMA_removeAllForeignKeyConstraints($tables_full, $export_sql_plugin, $move);
+        $GLOBALS['sql_constraints_query_full_db'] = 
+            PMA_getSqlConstraintsQueryForFullDb(
+                $tables_full, $export_sql_plugin, $move
+            );
 
         $views = PMA_getViewsAndCreateSqlViewStandIn($tables_full, $export_sql_plugin);
 
diff --git a/libraries/db_operations.lib.php b/libraries/db_operations.lib.php
index 51e07aac3f..382a8748bd 100644
--- a/libraries/db_operations.lib.php
+++ b/libraries/db_operations.lib.php
@@ -338,14 +338,15 @@ function PMA_getSqlQueryAndCreateDbBeforeCopy()
 }
 
 /**
- * remove all foreign key constraints
+ * remove all foreign key constraints and return sql constraints query for full database
  * 
  * @param array $tables_full            array of all tables in given db or dbs
  * @param instance $export_sql_plugin   export plugin instance
  * @param boolean $move                 whether databse name is empty or not
  */
-function PMA_removeAllForeignKeyConstraints($tables_full, $export_sql_plugin, $move)
+function PMA_getSqlConstraintsQueryForFullDb($tables_full, $export_sql_plugin, $move)
 {
+    $sql_constraints_query_full_db = array();
     foreach ($tables_full as $each_table => $tmp) {
         $sql_constraints = '';
         $sql_drop_foreign_keys = '';
@@ -357,9 +358,10 @@ function PMA_removeAllForeignKeyConstraints($tables_full, $export_sql_plugin, $m
         }
         // keep the constraint we just dropped
         if (! empty($sql_constraints)) {
-            $GLOBALS['sql_constraints_query_full_db'][] = $sql_constraints;
+            $sql_constraints_query_full_db[] = $sql_constraints;
         }
     }
+    return $sql_constraints_query_full_db;
 }
 
 /**