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Stage 2 of MDEV-6152:

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- Added mem_root to all calls to new Item
- Added private method operator new(size_t size) to Item to ensure that
  we always use a mem_root when creating an item.

This saves use once call to current_thd per Item creation
This commit is contained in:
Monty
2015-08-20 15:24:13 +03:00
committed by Sergey Vojtovich
parent 31e365efae
commit 1bae0d9e56
51 changed files with 1146 additions and 881 deletions
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2
sql/sql_select.h
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@ -1852,7 +1852,7 @@ int join_read_record_no_init(JOIN_TAB *tab);
void set_position(JOIN *join,uint idx,JOIN_TAB *table,KEYUSE *key);
inline Item * and_items(THD *thd, Item* cond, Item *item)
{
return (cond ? (new Item_cond_and(thd, cond, item)) : item);
return (cond ? (new (thd->mem_root) Item_cond_and(thd, cond, item)) : item);
}
bool choose_plan(JOIN *join, table_map join_tables);
void optimize_wo_join_buffering(JOIN *join, uint first_tab, uint last_tab,