[fix] ORDER BY direction in case of use of aggregate function

Signed-off-by: Dorian Savina <[email protected]>

Author: dsavina

src/SQLParser/Node/AggregateFunction.php

@@ -105,6 +105,25 @@ public function setAlias($alias)
         $this->alias = $alias;
     }
 
+    private $direction;
+
+    public function getDirection()
+    {
+        return $this->direction;
+    }
+
+    /**
+     * Sets the direction.
+     *
+     * @Important
+     *
+     * @param string $direction
+     */
+    public function setDirection($direction)
+    {
+        $this->direction = $direction;
+    }
+
     /**
      * Returns a Mouf instance descriptor describing this object.
      *
@@ -145,6 +164,9 @@ public function toSql(array $parameters = array(), Connection $dbConnection = nu
 
                 $sql .= ' AS '.$alias;
             }
+            if ($this->direction) {
+                $sql .= ' '.$this->direction;
+            }
         } else {
             $sql = null;
         }

src/SQLParser/Node/NodeFactory.php

@@ -254,12 +254,17 @@ public static function toObject(array $desc)
                     $expr->setAlias($desc['alias']);
                 }
 
+                if (isset($desc['direction'])) {
+                    $expr->setDirection($desc['direction']);
+                }
+
                 // Debug:
                 unset($desc['base_expr']);
                 unset($desc['expr_type']);
                 unset($desc['sub_tree']);
                 unset($desc['alias']);
                 unset($desc['delim']);
+                unset($desc['direction']);
                 if (!empty($desc)) {
                     error_log('MagicQuery - NodeFactory: Unexpected parameters in aggregate function: '.var_export($desc, true));
                 }