diff options
Diffstat (limited to 'sql/sql_select.cc')
| -rw-r--r-- | sql/sql_select.cc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sql/sql_select.cc b/sql/sql_select.cc index e79e96bf210..546f1c420d5 100644 --- a/sql/sql_select.cc +++ b/sql/sql_select.cc @@ -16703,7 +16703,8 @@ void optimize_wo_join_buffering(JOIN *join, uint first_tab, uint last_tab, reopt_remaining_tables &= ~rs->table->map; rec_count= COST_MULT(rec_count, pos.records_read); cost= COST_ADD(cost, pos.read_time); - + cost= COST_ADD(cost, rec_count / (double) TIME_FOR_COMPARE); + //TODO: take into account join condition selectivity here if (!rs->emb_sj_nest) *outer_rec_count= COST_MULT(*outer_rec_count, pos.records_read); |