Fix memory usage by batching syncTasks

ts/sql/migrations/1260-sync-tasks-rowid.ts

@@ -0,0 +1,30 @@
+// Copyright 2024 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+import type { Database } from '@signalapp/better-sqlite3';
+import type { LoggerType } from '../../types/Logging';
+import { sql } from '../util';
+
+export const version = 1260;
+
+export function updateToSchemaVersion1260(
+  currentVersion: number,
+  db: Database,
+  logger: LoggerType
+): void {
+  if (currentVersion >= 1260) {
+    return;
+  }
+
+  db.transaction(() => {
+    const [query] = sql`
+      DROP INDEX IF EXISTS syncTasks_order;
+      CREATE INDEX syncTasks_delete ON syncTasks (attempts DESC);
+    `;
+
+    db.exec(query);
+
+    db.pragma('user_version = 1260');
+  })();
+
+  logger.info('updateToSchemaVersion1260: success!');
+}