diff options
Diffstat (limited to 'sql/opt_subselect.cc')
| -rw-r--r-- | sql/opt_subselect.cc | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/sql/opt_subselect.cc b/sql/opt_subselect.cc index 6dd7de63612..7eeba821a47 100644 --- a/sql/opt_subselect.cc +++ b/sql/opt_subselect.cc @@ -452,11 +452,6 @@ bool find_eq_ref_candidate(TABLE *table, table_map sj_inner_tables); static SJ_MATERIALIZATION_INFO * at_sjmat_pos(const JOIN *join, table_map remaining_tables, const JOIN_TAB *tab, uint idx, bool *loose_scan); -void best_access_path(JOIN *join, JOIN_TAB *s, - table_map remaining_tables, uint idx, - bool disable_jbuf, double record_count, - POSITION *pos, POSITION *loose_scan_pos); - static Item *create_subq_in_equalities(THD *thd, SJ_MATERIALIZATION_INFO *sjm, Item_in_subselect *subq_pred); static bool remove_sj_conds(THD *thd, Item **tree); @@ -2718,6 +2713,13 @@ void advance_sj_state(JOIN *join, table_map remaining_tables, uint idx, NULL, }; +#ifdef HAVE_valgrind + new (&pos->firstmatch_picker) Firstmatch_picker; + new (&pos->loosescan_picker) LooseScan_picker; + new (&pos->sjmat_picker) Sj_materialization_picker; + new (&pos->dups_weedout_picker) Duplicate_weedout_picker; +#endif + if (join->emb_sjm_nest) { /* @@ -3007,7 +3009,8 @@ bool Sj_materialization_picker::check_qep(JOIN *join, bool disable_jbuf= (join->thd->variables.join_cache_level == 0); for (i= first_tab + mat_info->tables; i <= idx; i++) { - best_access_path(join, join->positions[i].table, rem_tables, i, + best_access_path(join, join->positions[i].table, rem_tables, + join->positions, i, disable_jbuf, prefix_rec_count, &curpos, &dummy); prefix_rec_count= COST_MULT(prefix_rec_count, curpos.records_read); prefix_cost= COST_ADD(prefix_cost, curpos.read_time); @@ -3626,7 +3629,8 @@ void fix_semijoin_strategies_for_picked_join_order(JOIN *join) join->cur_sj_inner_tables= 0; for (i= first + sjm->tables; i <= tablenr; i++) { - best_access_path(join, join->best_positions[i].table, rem_tables, i, + best_access_path(join, join->best_positions[i].table, rem_tables, + join->best_positions, i, FALSE, prefix_rec_count, join->best_positions + i, &dummy); prefix_rec_count *= join->best_positions[i].records_read; @@ -3658,8 +3662,9 @@ void fix_semijoin_strategies_for_picked_join_order(JOIN *join) { if (join->best_positions[idx].use_join_buffer) { - best_access_path(join, join->best_positions[idx].table, - rem_tables, idx, TRUE /* no jbuf */, + best_access_path(join, join->best_positions[idx].table, + rem_tables, join->best_positions, idx, + TRUE /* no jbuf */, record_count, join->best_positions + idx, &dummy); } record_count *= join->best_positions[idx].records_read; @@ -3689,7 +3694,8 @@ void fix_semijoin_strategies_for_picked_join_order(JOIN *join) if (join->best_positions[idx].use_join_buffer || (idx == first)) { best_access_path(join, join->best_positions[idx].table, - rem_tables, idx, TRUE /* no jbuf */, + rem_tables, join->best_positions, idx, + TRUE /* no jbuf */, record_count, join->best_positions + idx, &loose_scan_pos); if (idx==first) |