Paginate with Order by fix (#280)

Fixed the issue that occured when the pagination was used together with Order By.

src/Query/Builder.php

@@ -199,6 +199,24 @@ public function getBindings()
         return $bindings;
     }
 
+    /**
+     * Removes the order by clause when counting for the paginator.
+     * @author Gaba93
+     */
+    private function backupFieldsForCount() {
+        $this->orders_backup = $this->orders;
+        $this->orders = null;
+    }
+
+    /**
+     * Readds the order clause.
+     * @author Gaba93
+     */
+    private function restoreFieldsForCount() {
+        $this->orders = $this->orders_backup;
+        $this->orders_backup = null;
+    }
+
     /**
     * Get the count of the total records for the paginator.
     *
@@ -207,17 +225,16 @@ public function getBindings()
      */
     public function getCountForPagination($columns = ['*'])
     {
-        // if I comment this paginate will work
-//        $this->backupFieldsForCount();
+        $this->backupFieldsForCount();
 
         $this->aggregate = ['function' => 'count', 'columns' => $columns];
 
+
         $results = $this->get();
 
         $this->aggregate = null;
 
-        // if I comment this paginate will work
-//        $this->restoreFieldsForCount();
+        $this->restoreFieldsForCount();
 
         if (isset($this->groups)) {
             return count($results);