/****************************************************************************
 * DS-MRR implementation, essentially copied from InnoDB/MyISAM/Maria
 ***************************************************************************/

/**
 * Multi Range Read interface, DS-MRR calls
 */

int ha_tokudb::multi_range_read_init(RANGE_SEQ_IF *seq, void *seq_init_param,
                                       uint n_ranges, uint mode, 
                                       HANDLER_BUFFER *buf)
{
  return ds_mrr.dsmrr_init(this, seq, seq_init_param, n_ranges, mode, buf);
}

int ha_tokudb::multi_range_read_next(range_id_t *range_info)
{
  return ds_mrr.dsmrr_next(range_info);
}

ha_rows ha_tokudb::multi_range_read_info_const(uint keyno, RANGE_SEQ_IF *seq,
                                                 void *seq_init_param,  
                                                 uint n_ranges, uint *bufsz,
                                                 uint *flags, 
                                                 COST_VECT *cost)
{
  /* See comments in ha_myisam::multi_range_read_info_const */
  ds_mrr.init(this, table);
  ha_rows res= ds_mrr.dsmrr_info_const(keyno, seq, seq_init_param, n_ranges,
                                       bufsz, flags, cost);
  return res;
}

ha_rows ha_tokudb::multi_range_read_info(uint keyno, uint n_ranges, uint keys,
                                           uint key_parts, uint *bufsz, 
                                           uint *flags, COST_VECT *cost)
{
  ds_mrr.init(this, table);
  ha_rows res= ds_mrr.dsmrr_info(keyno, n_ranges, keys, key_parts, bufsz, 
                                 flags, cost);
  return res;
}

int ha_tokudb::multi_range_read_explain_info(uint mrr_mode, char *str, size_t size)
{
  return ds_mrr.dsmrr_explain_info(mrr_mode, str, size);
}