message: [SQL Lab] Improve autocomplete performance
diff: @@ -155,7 +155,12 @@ class AceEditorWrapper extends React.PureComponent {
  });
  },
  };
  - const words = this.state.words.map(word => ({ ...word, completer }));
  + // Mutate instead of object spread here for performance
  + const words = this.state.words.map(word => {
  + /* eslint-disable-next-line no-param-reassign */
  + word.completer = completer;
  + return word;
  + });
  callback(null, words);
  }
  setAutoCompleter(props) {
  