message: Rationalize IndexedDB indexes
diff: @@ -153,10 +153,7 @@ export default class IndexedDBCache extends AsyncRecordCache {
  createInverseRelationshipStore(db: IDBDatabase): void {
  let objectStore = db.createObjectStore(INVERSE_RELS, { keyPath: 'id' });
  - objectStore.createIndex('type', 'type', { unique: false });
  objectStore.createIndex('recordIdentity', 'recordIdentity', { unique: false });
  - objectStore.createIndex('relatedType', 'relatedType', { unique: false });
  - objectStore.createIndex('relatedIdentity', 'relatedIdentity', { unique: false });
  }
  /**
  