reapplied my changes to Export.php that were (accidently?) reverted by jonwage

lib/Doctrine/Export.php

@@ -128,10 +128,21 @@ class Doctrine_Export extends Doctrine_Connection_Module
     public function dropConstraint($table, $name, $primary = false)
     {
         $table = $this->conn->quoteIdentifier($table);
-        $name  = $this->conn->quoteIdentifier($this->conn->formatter->getIndexName($name));
+        $name  = $this->conn->quoteIdentifier($name);
         
         return $this->conn->exec('ALTER TABLE ' . $table . ' DROP CONSTRAINT ' . $name);
     }
+    /**
+     * drop existing foreign key
+     *
+     * @param string    $table        name of table that should be used in method
+     * @param string    $name         name of the foreign key to be dropped
+     * @return void
+     */
+    public function dropForeignKey($table, $name)
+    {
+        return $this->dropConstraint($table, $name);
+    }
     /**
      * dropSequenceSql
      * drop existing sequence

tests/ExportTestCase.php

@@ -56,7 +56,7 @@ class Doctrine_Export_TestCase extends Doctrine_UnitTestCase
     {
         $this->export->dropConstraint('sometable', 'relevancy');
 
-        $this->assertEqual($this->adapter->pop(), 'ALTER TABLE sometable DROP CONSTRAINT relevancy_idx');
+        $this->assertEqual($this->adapter->pop(), 'ALTER TABLE sometable DROP CONSTRAINT relevancy');
     }
     public function testCreateIndexExecutesSql() 
     {