Replaced explicit calls to Component::build() with implicit calls to Component::__toString().

Fixed bugs that caused field names like '0', '0.0', etc. to be considered invalid.
Refactoring.

1 files changed, 2 insertions, 7 deletions

diff --git a/src/Components/RenameOperation.php b/src/Components/RenameOperation.php
index 34c62bb..b8b1691 100644
--- a/src/Components/RenameOperation.php
+++ b/src/Components/RenameOperation.php
@@ -168,14 +168,9 @@ class RenameOperation extends Component
     public static function build($component)
     {
         if (is_array($component)) {
-            $values = array();
-            foreach ($component as $c) {
-                $values[] = static::build($c);
-            }
-            return implode(', ', $values);
+            return implode(', ', $component);
         } else {
-            return Expression::build($component->old) . ' TO '
-                . Expression::build($component->new);
+            return $component->old . ' TO ' . $component->new;
         }
     }
 }