<script>
  const dbRequest = window.indexedDB.open('bug1505821_1_hello');
  dbRequest.onupgradeneeded = function (event) {
    const store = event.target.result.createObjectStore('IDBStore_1', {autoIncrement: true});
    store.createIndex('I', [''], {unique: true});
    store.createIndex('J', ['a', ''], {unique: true});
    store.createIndex('M', ['', 'a'], {unique: true});
    store.createIndex('K', ['', 'a', ''], {unique: true});
    store.createIndex('L', ['', '', ''], {unique: true});
  }

  const dbRequest2 = window.indexedDB.open('bug1505821_1_hello');
  dbRequest.onsuccess = function (event) {
    window.indexedDB.deleteDatabase("bug1507229_1_hello");
  }
</script>
