Database: start reworking the DBA to work with PDO

models/Image.php

@@ -165,7 +165,7 @@ class Image extends Asset
 
 		return Registry::get('db')->query('
 			DELETE FROM assets_thumbs
-			WHERE id_asset = {int:id_asset}',
+			WHERE id_asset = :id_asset',
 			['id_asset' => $this->id_asset]);
 	}
 
@@ -183,9 +183,9 @@ class Image extends Asset
 
 		return Registry::get('db')->query('
 			DELETE FROM assets_thumbs
-			WHERE id_asset = {int:id_asset} AND
-				width = {int:width} AND
-				height = {int:height}',
+			WHERE id_asset = :id_asset AND
+				width = :width AND
+				height = :height',
 			[
 				'height' => $height,
 				'id_asset' => $this->id_asset,