signal-desktop/ts/sql/migrations/1270-normalize-messages.ts

// Copyright 2025 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
import type { Database } from '@signalapp/sqlcipher';
import { sql } from '../util.js';

export default function updateToSchemaVersion1270(db: Database): void {
  const [query] = sql`
    ALTER TABLE messages
      ADD COLUMN timestamp INTEGER;
    ALTER TABLE messages
      ADD COLUMN received_at_ms INTEGER;
    ALTER TABLE messages
      ADD COLUMN unidentifiedDeliveryReceived INTEGER;
    ALTER TABLE messages
      ADD COLUMN serverTimestamp INTEGER;

    ALTER TABLE messages
      RENAME COLUMN source TO legacySource;
    ALTER TABLE messages
      ADD COLUMN source TEXT;

    UPDATE messages SET
      timestamp = json_extract(json, '$.timestamp'),
      received_at_ms = json_extract(json, '$.received_at_ms'),
      unidentifiedDeliveryReceived =
        json_extract(json, '$.unidentifiedDeliveryReceived'),
      serverTimestamp =
        json_extract(json, '$.serverTimestamp'),
      source = IFNULL(json_extract(json, '$.source'), '+' || legacySource);

    ALTER TABLE messages
      DROP COLUMN legacySource;
  `;

  db.exec(query);
}