private const RESULT_STATUS = [ \PGSQL_EMPTY_QUERY => 'PGSQL_EMPTY_QUERY', \PGSQL_COMMAND_OK => 'PGSQL_COMMAND_OK', \PGSQL_TUPLES_OK => 'PGSQL_TUPLES_OK', \PGSQL_COPY_OUT => 'PGSQL_COPY_OUT', \PGSQL_COPY_IN => 'PGSQL_COPY_IN', \PGSQL_BAD_RESPONSE => 'PGSQL_BAD_RESPONSE', \PGSQL_NONFATAL_ERROR => 'PGSQL_NONFATAL_ERROR', \PGSQL_FATAL_ERROR => 'PGSQL_FATAL_ERROR', ];