diff options
Diffstat (limited to 'sql/opt_subselect.h')
| -rw-r--r-- | sql/opt_subselect.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/sql/opt_subselect.h b/sql/opt_subselect.h index 9cb19e0cc6c..031118288b9 100644 --- a/sql/opt_subselect.h +++ b/sql/opt_subselect.h @@ -26,8 +26,15 @@ int check_and_do_in_subquery_rewrites(JOIN *join); bool convert_join_subqueries_to_semijoins(JOIN *join); int pull_out_semijoin_tables(JOIN *join); bool optimize_semijoin_nests(JOIN *join, table_map all_table_map); -bool setup_jtbm_semi_joins(JOIN *join, List<TABLE_LIST> *join_list, - Item **join_where); +Item *and_new_conditions_to_optimized_cond(THD *thd, Item *cond, + COND_EQUAL **cond_eq, + List<Item> &new_conds, + Item::cond_result *cond_value); +bool setup_degenerate_jtbm_semi_joins(JOIN *join, + List<TABLE_LIST> *join_list, + List<Item> &eq_list); +bool setup_jtbm_semi_joins(JOIN *join, List<TABLE_LIST> *join_list, + List<Item> &eq_list); void cleanup_empty_jtbm_semi_joins(JOIN *join, List<TABLE_LIST> *join_list); // used by Loose_scan_opt |