public MysqliResult pg_query(Env env,
public JdbcResultResource pg_query(Env env,
  public MysqliResult pg_query(Env env,                               @NotNull Postgres conn,                               String query)  {    try {      //@todo conn should be optional      if (conn == null)        conn = getConnection(env);      Value queryV = conn.query(query, 1);      if (queryV instanceof JdbcResultResource) {  JdbcResultResource resultResource = (JdbcResultResource) queryV;  if (resultResource != null) {    return new MysqliResult(resultResource);  }      }    } catch (Exception ex) {      log.log(Level.FINE, ex.toString(), ex);    }    return null;  }