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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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4
sql/sql_update.cc
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@@ -148,7 +148,7 @@ static bool check_fields(THD *thd, List<Item> &items)
we make temporary copy of Item_field, to avoid influence of changing
result_field on Item_ref which refer on this field
*/
thd->change_item_tree(it.ref(), new Item_field(thd, field));
thd->change_item_tree(it.ref(), new (thd->mem_root) Item_field(thd, field));
}
return FALSE;
}
@@ -1978,7 +1978,7 @@ loop_end:
table to be updated was created by mysql 4.1. Deny this.
*/
field->can_alter_field_type= 0;
Item_field *ifield= new Item_field(join->thd, (Field *) field);
Item_field *ifield= new (thd->mem_root) Item_field(join->thd, (Field *) field);
if (!ifield)
DBUG_RETURN(1);
ifield->maybe_null= 0;