diff --git a/dev_support/graph_mysql/schema.sql b/dev_support/graph_mysql/schema.sql
index ea72c637..7862a3e4 100644
--- a/dev_support/graph_mysql/schema.sql
+++ b/dev_support/graph_mysql/schema.sql
@@ -75,6 +75,7 @@ CREATE TABLE `column_metas` (
 	`column_id` integer NOT NULL,
 	`name` varchar(64) NOT NULL,
 	`seq` tinyint	NOT NULL,
+	`default_value` varchar(64) NOT NULL,
 	`data_type` varchar(8) NOT NULL DEFAULT 'string',
 	PRIMARY KEY (`id`),
 	UNIQUE KEY `ux_column_id_name` (`column_id`, `name`),