presto-phoenix/src/main/java/io/prestosql/plugin/phoenix/PhoenixClient.java/PhoenixClient/execute
class PhoenixClient:    public void execute(ConnectorSession session, String statement)
    {
        try (Connection connection = connectionFactory.openConnection(JdbcIdentity.from(session))) {
            execute(connection, statement);
        }
        catch (SQLException e) {
            throw new PrestoException(PHOENIX_QUERY_ERROR, "Error while executing statement", e);
        }
    }