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Added compare cost for DS-MRR (multi-range-read with disk sweep)

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Monty 2023-06-06 16:50:57 +03:00
parent 07b02ab40e
commit 3ea8f3062a
1 changed files with 2 additions and 0 deletions
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sql/multi_range_read.cc
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@ -2080,6 +2080,8 @@ bool DsMrr_impl::get_disk_sweep_mrr_cost(uint keynr, ha_rows rows, uint flags,
/* Total cost of all index accesses */
cost->index_cost= primary_file->ha_keyread_and_copy_time(keynr, 1, rows, 0);
cost->comp_cost= rows2double(rows) * primary_file->WHERE_COST;
cost->setup_cost= primary_file->MULTI_RANGE_READ_SETUP_COST;
return FALSE;
}