Fixes for sql exporting so it will get all loaded models if no directory is specified.

lib/Doctrine/Data/Export.php

@@ -101,19 +101,25 @@ class Doctrine_Data_Export extends Doctrine_Data
             
             if (is_array($directory)) {
                 throw new Doctrine_Data_Exception('You must specify a single path to a folder in order to export individual files.');
+            } else if (!is_dir($directory) && is_file($directory)) {
+                $directory = dirname($directory);
             }
             
             foreach ($data as $className => $classData) {
+                if (!empty($classData)) {
                     Doctrine_Parser::dump(array($className => $classData), $format, $directory.DIRECTORY_SEPARATOR.$className.'.'.$format);
                 }
+            }
         } else {
             if (is_dir($directory)) {
                 throw new Doctrine_Data_Exception('You must specify the path to a '.$format.' file to export. You specified a directory.');
             }
             
+            if (!empty($data)) {
                 return Doctrine_Parser::dump($data, $format, $directory);
             }
         }
+    }
     /**
      * prepareData
      *

lib/Doctrine/Export.php

@@ -978,9 +978,9 @@ class Doctrine_Export extends Doctrine_Connection_Module
     public function exportSchema($directory = null)
     {
         if ($directory !== null) {
-            $models = Doctrine::loadModels($directory);
+            $models = Doctrine_Facade::loadModels($directory);
         } else {
-            $models = Doctrine::getLoadedModels();
+            $models = Doctrine_Facade::getLoadedModels();
         }
         
         $this->exportClasses($models);
@@ -1058,7 +1058,7 @@ class Doctrine_Export extends Doctrine_Connection_Module
      */
     public function exportClassesSql(array $classes)
     {
-        $models = Doctrine::getLoadedModels($classes);
+        $models = Doctrine_Facade::getLoadedModels($classes);
         
         $sql = array();
         
@@ -1136,7 +1136,11 @@ class Doctrine_Export extends Doctrine_Connection_Module
      */
     public function exportSql($directory = null)
     {
-        $models = Doctrine::loadModels($directory);
+        if ($directory !== null) {
+            $models = Doctrine_Facade::loadModels($directory);
+        } else {
+            $models = Doctrine_Facade::getLoadedModels();
+        }
         
         return $this->exportClassesSql($models);
     }