diff options
Diffstat (limited to 'sql/table.cc')
-rw-r--r-- | sql/table.cc | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/sql/table.cc b/sql/table.cc index 17611a1e2fb..16dcb48970d 100644 --- a/sql/table.cc +++ b/sql/table.cc @@ -5672,12 +5672,14 @@ void TABLE::init(THD *thd, TABLE_LIST *tl) opt_range_condition_rows=0; no_cache= false; initialize_opt_range_structures(); + + /* - Update optimizer_cache_cost to ensure that a SET STATEMENT of - the variable it will work. + Update optimizer_costs to ensure that a SET STATEMENT of the + variables it will work. */ - file->set_optimizer_cache_cost(cache_hit_cost(thd->variables. - optimizer_cache_hit_ratio)); + file->set_optimizer_costs(thd); + #ifdef HAVE_REPLICATION /* used in RBR Triggers */ master_had_triggers= 0; @@ -10434,6 +10436,14 @@ inline void TABLE::initialize_opt_range_structures() TRASH_ALLOC(const_key_parts, s->keys * sizeof(*const_key_parts)); } + +double TABLE::OPT_RANGE::index_only_fetch_cost(THD *thd) +{ + return (index_only_cost + (double) rows * + thd->variables.optimizer_key_copy_cost); +} + + /* Mark table to be reopened after query */ |