add method getPdo() to get the underlying/decorated instance

src/ExtendedPdo.php

@@ -573,6 +573,19 @@ public function getDsn()
         return $this->dsn;
     }
 
+    /**
+     * 
+     * Returns the underlying PDO connection object.
+     * 
+     * @return PDO
+     * 
+     */
+    public function getPdo()
+    {
+        $this->connect();
+        return $this->pdo;
+    }
+
     /**
      * 
      * Returns the profiler object.

src/ExtendedPdoInterface.php

@@ -210,6 +210,15 @@ public function fetchValue($statement, array $values = array());
      */
     public function getDsn();
 
+    /**
+     * 
+     * Returns the underlying PDO connection object.
+     * 
+     * @return PDO
+     * 
+     */
+    public function getPdo();
+
     /**
      * 
      * Returns the profiler object.

tests/src/AbstractExtendedPdoTest.php

@@ -65,6 +65,8 @@ protected function insert(array $data)
         $this->pdo->perform($stm, $data);
     }
 
+    abstract public function testGetPdo();
+
     public function testErrorCodeAndInfo()
     {
         $actual = $this->pdo->errorCode();

tests/src/DecoratedPdoTest.php

@@ -5,9 +5,16 @@
 
 class DecoratedPdoTest extends AbstractExtendedPdoTest
 {
+    protected $decorated_pdo;
+
     protected function newExtendedPdo()
     {
-        $pdo = new PDO('sqlite::memory:');
-        return new ExtendedPdo($pdo);
+        $this->decorated_pdo = new PDO('sqlite::memory:');
+        return new ExtendedPdo($this->decorated_pdo);
+    }
+
+    public function testGetPdo()
+    {
+        $this->assertSame($this->decorated_pdo, $this->pdo->getPdo());
     }
 }

tests/src/ExtendedPdoTest.php

@@ -23,4 +23,11 @@ protected function newExtendedPdo()
             $attributes
         );
     }
+
+    public function testGetPdo()
+    {
+        $lazy_pdo = $this->pdo->getPdo();
+        $this->assertInstanceOf('PDO', $lazy_pdo);
+        $this->assertNotSame($this->pdo, $lazy_pdo);
+    }
 }