From d64dffbdda2fbe6f6bba1e654ea29567a509b40d Mon Sep 17 00:00:00 2001
From: syuilo <syuilotan@yahoo.co.jp>
Date: Tue, 18 Jun 2019 17:11:28 +0900
Subject: [PATCH] Add index

---
 src/services/chart/core.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/services/chart/core.ts b/src/services/chart/core.ts
index 8b89c4009..6564ef781 100644
--- a/src/services/chart/core.ts
+++ b/src/services/chart/core.ts
@@ -171,6 +171,8 @@ export default abstract class Chart<T extends Record<string, any>> {
 				columns: ['group']
 			}, {
 				columns: ['span', 'date']
+			}, {
+				columns: ['date', 'group']
 			}, {
 				columns: ['span', 'date', 'group']
 			}]