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Viewing changes to plugin/myisam/ha_myisam.cc

  • Committer: Brian Aker
  • Date: 2009-07-28 23:44:32 UTC
  • mfrom: (1100.1.6 merge)
  • Revision ID: brian@gaz-20090728234432-t5hpryg40a4rz20b
Removal of all basic MRR

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Lines of Context:
plugin/myisam/ha_myisam.cc
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  //pushed_idx_cond_keyno= MAX_KEY;
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  mi_set_index_cond_func(file, NULL, 0);
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  in_range_check_pushed_down= false;
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  ds_mrr.dsmrr_close();
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  return 0;
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}
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  pushed_idx_cond= NULL;
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  pushed_idx_cond_keyno= MAX_KEY;
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  mi_set_index_cond_func(file, NULL, 0);
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  ds_mrr.dsmrr_close();
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  return mi_reset(file);
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}
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}
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/****************************************************************************
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 * MyISAM MRR implementation: use DS-MRR
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 ***************************************************************************/
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int ha_myisam::multi_range_read_init(RANGE_SEQ_IF *seq, void *seq_init_param,
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                                     uint32_t n_ranges, uint32_t mode,
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                                     HANDLER_BUFFER *buf)
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{
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  return ds_mrr.dsmrr_init(this, &table->key_info[active_index],
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                           seq, seq_init_param, n_ranges, mode, buf);
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}
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int ha_myisam::multi_range_read_next(char **range_info)
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{
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  return ds_mrr.dsmrr_next(this, range_info);
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}
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ha_rows ha_myisam::multi_range_read_info_const(uint32_t keyno, RANGE_SEQ_IF *seq,
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                                               void *seq_init_param,
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                                               uint32_t n_ranges, uint32_t *bufsz,
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                                               uint32_t *flags, COST_VECT *cost)
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{
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  /*
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    This call is here because there is no location where this->table would
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    already be known.
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    TODO: consider moving it into some per-query initialization call.
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  */
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  ds_mrr.init(this, table);
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  return ds_mrr.dsmrr_info_const(keyno, seq, seq_init_param, n_ranges, bufsz,
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                                 flags, cost);
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}
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int ha_myisam::multi_range_read_info(uint32_t keyno, uint32_t n_ranges, uint32_t keys,
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                                     uint32_t *bufsz, uint32_t *flags, COST_VECT *cost)
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{
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  ds_mrr.init(this, table);
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  return ds_mrr.dsmrr_info(keyno, n_ranges, keys, bufsz, flags, cost);
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}
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/* MyISAM MRR implementation ends */
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/* Index condition pushdown implementation*/
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