easier to have access to a requestor instance

src/Db/Connection.php

@@ -18,12 +18,10 @@ class Connection
      * @return OdbcResultSet|resource|string
      * @throws SqlException
      */
-    public static function execute($sql, $values)
+    public static function execute($sql, $values, $fetchMode = \PDO::FETCH_ASSOC)
     {
-        if (null === self::$req) {
+        $pdoStatement = self::getReq()->prepareAndExecuteStatement($sql, $values);
-            self::$req = new Req();
+        return new OdbcResultset($pdoStatement->fetchAll($fetchMode));
-        }
-        return self::$req->getResultSet($sql, $values);
     }
 
     /**
@@ -31,7 +29,18 @@ class Connection
      */
     public static function get()
     {
-        return self::$req->getAdapter();
+        return self::getReq()->getAdapter();
+    }
+
+    /**
+     * @return Gbili\Db\Req\Req
+     */
+    public static function getReq()
+    {
+        if (null === self::$req) {
+            self::$req = new Req();
+        }
+        return self::$req;
     }
 
     final private function __clone() {}

src/Db/DbHelper.php

@@ -25,7 +25,7 @@ class DbHelper
 					ORDER BY text;";
 
 
-        $results = Connection::execute($sql);
+        $results = Connection::getReq()->getResultSet($sql);
 
         if($withJeunesse) {
             array_unshift($results, array('code' => 'J', 'text' => 'Jeunesse'));
@@ -56,6 +56,6 @@ class DbHelper
                 "titre" => $row['title'],
                 "lecteur" => $row['displayName']
             );
-        }, Connection::execute($sql));
+        }, Connection::getReq()->getResultSet($sql));
     }
 }