handle null

isucon · Nov 1, 2023 · 9fe8969 · 9fe8969
1 parent 716285b
commit 9fe8969
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/webapp/go/stats_handler.go b/webapp/go/stats_handler.go
@@ -99,7 +99,7 @@ func getUserStatisticsHandler(c echo.Context) error {
 
 		var tips int64
 		query = `
-		SELECT SUM(l2.tip) FROM users u
+		SELECT IFNULL(SUM(l2.tip), 0) FROM users u
 		INNER JOIN livestreams l ON l.user_id = u.id	
 		INNER JOIN livecomments l2 ON l2.livestream_id = l.id
 		WHERE u.id = ?`
@@ -220,7 +220,7 @@ func getLivestreamStatisticsHandler(c echo.Context) error {
 		}
 
 		var totalTips int64
-		if err := tx.GetContext(ctx, &totalTips, "SELECT SUM(l2.tip) FROM livestreams l INNER JOIN livecomments l2 ON l.id = l2.livestream_id WHERE l.id = ?", livestreamID); err != nil {
+		if err := tx.GetContext(ctx, &totalTips, "SELECT IFNULL(SUM(l2.tip), 0) FROM livestreams l INNER JOIN livecomments l2 ON l.id = l2.livestream_id WHERE l.id = ?", livestreamID); err != nil {
 			log.Println("failed to get total tips for livestream stats")
 			return echo.NewHTTPError(http.StatusInternalServerError, err.Error())
 		}