From f8b936f2585a4aef9880dc404f990c76b5346576 Mon Sep 17 00:00:00 2001
From: ayumi-signal <143036029+ayumi-signal@users.noreply.github.com>
Date: Mon, 13 Nov 2023 10:30:40 -0800
Subject: [PATCH] Optimize FTS5

---
 ts/sql/migrations/970-fts5-optimize.ts | 30 ++++++++++++++++++++++++++
 ts/sql/migrations/index.ts             |  6 ++++--
 2 files changed, 34 insertions(+), 2 deletions(-)
 create mode 100644 ts/sql/migrations/970-fts5-optimize.ts

diff --git a/ts/sql/migrations/970-fts5-optimize.ts b/ts/sql/migrations/970-fts5-optimize.ts
new file mode 100644
index 0000000000..199aa7c31e
--- /dev/null
+++ b/ts/sql/migrations/970-fts5-optimize.ts
@@ -0,0 +1,30 @@
+// Copyright 2023 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import type { Database } from '@signalapp/better-sqlite3';
+import type { LoggerType } from '../../types/Logging';
+
+export const version = 970;
+
+export function updateToSchemaVersion970(
+  currentVersion: number,
+  db: Database,
+  logger: LoggerType
+): void {
+  if (currentVersion >= 970) {
+    return;
+  }
+
+  const start = Date.now();
+  db.transaction(() => {
+    db.exec(`
+      INSERT INTO messages_fts(messages_fts) VALUES ('optimize');
+    `);
+    db.pragma('user_version = 970');
+  })();
+
+  const duration = Date.now() - start;
+  logger.info(
+    `updateToSchemaVersion970: success! fts optimize took ${duration}ms`
+  );
+}
diff --git a/ts/sql/migrations/index.ts b/ts/sql/migrations/index.ts
index 2311a039cb..107d0f7556 100644
--- a/ts/sql/migrations/index.ts
+++ b/ts/sql/migrations/index.ts
@@ -71,10 +71,11 @@ import { updateToSchemaVersion920 } from './920-clean-more-keys';
 import { updateToSchemaVersion930 } from './930-fts5-secure-delete';
 import { updateToSchemaVersion940 } from './940-fts5-revert';
 import { updateToSchemaVersion950 } from './950-fts5-secure-delete';
+import { updateToSchemaVersion960 } from './960-untag-pni';
 import {
   version as MAX_VERSION,
-  updateToSchemaVersion960,
-} from './960-untag-pni';
+  updateToSchemaVersion970,
+} from './970-fts5-optimize';
 
 function updateToSchemaVersion1(
   currentVersion: number,
@@ -2013,6 +2014,7 @@ export const SCHEMA_VERSIONS = [
   updateToSchemaVersion940,
   updateToSchemaVersion950,
   updateToSchemaVersion960,
+  updateToSchemaVersion970,
 ];
 
 export class DBVersionFromFutureError extends Error {