presto-jdbc/src/main/java/io/prestosql/jdbc/PrestoDatabaseMetaData.java/PrestoDatabaseMetaData/getIndexInfo
class PrestoDatabaseMetaData:    @Override
    public ResultSet getIndexInfo(String catalog, String schema, String table, boolean unique, boolean approximate)
            throws SQLException
    {
        throw new SQLFeatureNotSupportedException("indexes not supported");
    }