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Stage 2 of MDEV-6152:

- 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

View File

@ -121,7 +121,7 @@ int make_profile_table_for_show(THD *thd, ST_SCHEMA_TABLE *schema_table)
continue;
field_info= &schema_table->fields_info[i];
Item_field *field= new Item_field(thd, context,
Item_field *field= new (thd->mem_root) Item_field(thd, context,
NullS, NullS, field_info->field_name);
if (field)
{
@ -389,13 +389,14 @@ bool PROFILING::show_profiles()
DBUG_ENTER("PROFILING::show_profiles");
QUERY_PROFILE *prof;
List<Item> field_list;
MEM_ROOT *mem_root= thd->mem_root;
field_list.push_back(new Item_return_int(thd, "Query_ID", 10,
field_list.push_back(new (mem_root) Item_return_int(thd, "Query_ID", 10,
MYSQL_TYPE_LONG));
field_list.push_back(new Item_return_int(thd, "Duration",
field_list.push_back(new (mem_root) Item_return_int(thd, "Duration",
TIME_FLOAT_DIGITS - 1,
MYSQL_TYPE_DOUBLE));
field_list.push_back(new Item_empty_string(thd, "Query", 40));
field_list.push_back(new (mem_root) Item_empty_string(thd, "Query", 40));
if (thd->protocol->send_result_set_metadata(&field_list,
Protocol::SEND_NUM_ROWS | Protocol::SEND_EOF))