From 4015ccef2f308a6417b984570377d9360fe84ec7 Mon Sep 17 00:00:00 2001
From: syuilo <syuilotan@yahoo.co.jp>
Date: Tue, 18 Jun 2019 17:10:28 +0900
Subject: [PATCH] Add chart indices

---
 src/services/chart/core.ts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/services/chart/core.ts b/src/services/chart/core.ts
index 6a69a21b7..8b89c4009 100644
--- a/src/services/chart/core.ts
+++ b/src/services/chart/core.ts
@@ -163,6 +163,17 @@ export default abstract class Chart<T extends Record<string, any>> {
 				},
 				...Chart.convertSchemaToFlatColumnDefinitions(schema)
 			},
+			indices: [{
+				columns: ['date']
+			}, {
+				columns: ['span']
+			}, {
+				columns: ['group']
+			}, {
+				columns: ['span', 'date']
+			}, {
+				columns: ['span', 'date', 'group']
+			}]
 		});
 	}