mariadb/storage/tokudb/ha_tokudb_mrr_maria.cc

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// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
#ident "$Id$"
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  TokuDB, Tokutek Fractal Tree Indexing Library.
  Copyright (C) 2007-2013 Tokutek, Inc.

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  The technology is licensed by the Massachusetts Institute of
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  Foundation of State University of New York at Stony Brook under
  United States of America Serial No. 11/760379 and to the patents
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#ident "Copyright (c) 2007-2013 Tokutek Inc.  All rights reserved."
#ident "The technology is licensed by the Massachusetts Institute of Technology, Rutgers State University of New Jersey, and the Research Foundation of State University of New York at Stony Brook under United States of America Serial No. 11/760379 and to the patents and/or patent applications resulting from it."

/****************************************************************************
 * 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);
}