From eb70d6f22674bbc3b3b0e03c1b62376c0d5c6f81 Mon Sep 17 00:00:00 2001
From: Takeshi Umeda <noel.yoshiba@gmail.com>
Date: Thu, 20 Aug 2020 17:17:55 +0900
Subject: [PATCH] Fix a slow query on channel timeline (#6663)
---
.../1597893996136-ChannelNoteIdDescIndex.ts | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
create mode 100644 migration/1597893996136-ChannelNoteIdDescIndex.ts
diff --git a/migration/1597893996136-ChannelNoteIdDescIndex.ts b/migration/1597893996136-ChannelNoteIdDescIndex.ts
new file mode 100644
index 0000000000..6cbd865fc6
--- /dev/null
+++ b/migration/1597893996136-ChannelNoteIdDescIndex.ts
@@ -0,0 +1,16 @@
+import {MigrationInterface, QueryRunner} from "typeorm";
+
+export class ChannelNoteIdDescIndex1597893996136 implements MigrationInterface {
+ name = 'ChannelNoteIdDescIndex1597893996136'
+
+ public async up(queryRunner: QueryRunner): Promise<void> {
+ await queryRunner.query(`DROP INDEX "IDX_f22169eb10657bded6d875ac8f"`);
+ await queryRunner.query(`CREATE INDEX "IDX_note_on_channelId_and_id_desc" ON "note" ("channelId", "id" desc)`);
+ }
+
+ public async down(queryRunner: QueryRunner): Promise<void> {
+ await queryRunner.query(`DROP INDEX "IDX_note_on_channelId_and_id_desc"`);
+ await queryRunner.query(`CREATE INDEX "IDX_f22169eb10657bded6d875ac8f" ON "note" ("channelId") `);
+ }
+
+}