style: use created_at instead of created

src/main.rs

@@ -64,14 +64,14 @@ async fn main() -> Result<(), Error> {
         CREATE TABLE IF NOT EXISTS refresh_tokens (
             token varchar(64) PRIMARY KEY UNIQUE NOT NULL,
             uuid uuid NOT NULL REFERENCES users(uuid),
-            created int8 NOT NULL,
+            created_at int8 NOT NULL,
             device_name varchar(16) NOT NULL
         );
         CREATE TABLE IF NOT EXISTS access_tokens (
             token varchar(32) PRIMARY KEY UNIQUE NOT NULL,
-            refresh_token varchar(64) UNIQUE NOT NULL REFERENCES refresh_tokens(token),
+            refresh_token varchar(64) UNIQUE NOT NULL REFERENCES refresh_tokens(token) ON UPDATE CASCADE ON DELETE CASCADE,
             uuid uuid NOT NULL REFERENCES users(uuid),
-            created int8 NOT NULL
+            created_at int8 NOT NULL
         )
     "#,
     )