Optimize FTS5

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`
+  );
+}

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,
+  updateToSchemaVersion970,
-} from './960-untag-pni';
+} 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 {