feat: query for update usertitle

modules/backend/queries.sql

@@ -461,21 +461,13 @@ VALUES (
 )
 RETURNING user_id, title_id, status, rate, review_id, ctime;
 
--- -- name: UpdateUserTitle :one
--- UPDATE usertitles
--- SET
---   status = COALESCE(sqlc.narg('status'), status),
---   rate = COALESCE(sqlc.narg('rate'), rate),
---   review_id = COALESCE(sqlc.narg('review_id'), review_id)
--- WHERE user_id = $1 AND title_id = $2
--- RETURNING *;
-
--- -- name: DeleteUserTitle :exec
--- DELETE FROM usertitles
--- WHERE user_id = $1 AND ($2::int IS NULL OR title_id = $2);
-
--- -- name: ListTags :many
--- SELECT tag_id, tag_names
--- FROM tags
--- ORDER BY tag_id
--- LIMIT $1 OFFSET $2;
+-- name: UpdateUserTitle :one
+-- Fails with sql.ErrNoRows if (user_id, title_id) not found
+UPDATE usertitles
+SET
+    status = COALESCE(sqlc.narg('status')::usertitle_status_t, status),
+    rate   = COALESCE(sqlc.narg('rate')::int, rate)
+WHERE
+    user_id = sqlc.arg('user_id')
+    AND title_id = sqlc.arg('title_id')
+RETURNING *;