public IndexModel index(String indexName) {
		checkReadOnly();
		IndexModel index = new IndexModel();
		index.setName(indexName);
		index.setTableModel(this);
		getIndexConsts().add(index);
		return index;
	}
public IndexModel index ( String indexName ) { checkReadOnly ( ) ; IndexModel index = new IndexModel ( ) ; index . setName ( indexName ) ; index . setTableModel ( this ) ; getIndexConsts ( ) . add ( index ) ; return index ; }
Start add a Index in DDL, detail usage see demo