Fix issue #163

Add getAttribute and setAttribute functions to make sure pdo is
connected before calling the functions

src/AbstractExtendedPdo.php

@@ -979,4 +979,31 @@ protected function setQuoteName($driver)
                 return;
         }
     }
+
+    /**
+     *
+     * Retrieve a database connection attribute
+     *
+     * @param int $attribute
+     * @return mixed
+     */
+    public function getAttribute($attribute)
+    {
+        $this->connect();
+        return $this->pdo->getAttribute($attribute);
+    }
+
+    /**
+     *
+     * Set a database connection attribute
+     *
+     * @param int $attribute
+     * @param mixed $value
+     * @return bool
+     */
+    public function setAttribute($attribute, $value)
+    {
+        $this->connect();
+        return $this->pdo->setAttribute($attribute, $value);
+    }
 }

tests/ExtendedPdoTest.php

@@ -730,4 +730,16 @@ public function testQuoteName()
         $this->assertSame('[foo].[[bar][]', $pdo->quoteName('foo.[bar]'));
 
     }
+
+    public function testGetAttribute()
+    {
+        $driver = $this->pdo->getAttribute(\PDO::ATTR_DRIVER_NAME);
+        $this->assertEquals('sqlite', $driver);
+    }
+
+    public function testSetAttribute()
+    {
+        $result = $this->pdo->setAttribute(\PDO::ATTR_CASE, \PDO::CASE_NATURAL);
+        $this->assertTrue($result);
+    }
 }