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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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28
sql/handler.cc
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@ -1981,16 +1981,21 @@ bool mysql_xa_recover(THD *thd)
{
List<Item> field_list;
Protocol *protocol= thd->protocol;
MEM_ROOT *mem_root= thd->mem_root;
DBUG_ENTER("mysql_xa_recover");
field_list.push_back(new Item_int(thd, "formatID", 0,
MY_INT32_NUM_DECIMAL_DIGITS));
field_list.push_back(new Item_int(thd, "gtrid_length", 0,
MY_INT32_NUM_DECIMAL_DIGITS));
field_list.push_back(new Item_int(thd, "bqual_length", 0,
MY_INT32_NUM_DECIMAL_DIGITS));
field_list.push_back(new Item_empty_string(thd, "data",
XIDDATASIZE));
field_list.push_back(new (mem_root)
Item_int(thd, "formatID", 0,
MY_INT32_NUM_DECIMAL_DIGITS));
field_list.push_back(new (mem_root)
Item_int(thd, "gtrid_length", 0,
MY_INT32_NUM_DECIMAL_DIGITS));
field_list.push_back(new (mem_root)
Item_int(thd, "bqual_length", 0,
MY_INT32_NUM_DECIMAL_DIGITS));
field_list.push_back(new (mem_root)
Item_empty_string(thd, "data",
XIDDATASIZE));
if (protocol->send_result_set_metadata(&field_list,
Protocol::SEND_NUM_ROWS | Protocol::SEND_EOF))
@ -5525,11 +5530,12 @@ bool ha_show_status(THD *thd, handlerton *db_type, enum ha_stat_type stat)
{
List<Item> field_list;
Protocol *protocol= thd->protocol;
MEM_ROOT *mem_root= thd->mem_root;
bool result;
field_list.push_back(new Item_empty_string(thd, "Type", 10));
field_list.push_back(new Item_empty_string(thd, "Name", FN_REFLEN));
field_list.push_back(new Item_empty_string(thd, "Status", 10));
field_list.push_back(new (mem_root) Item_empty_string(thd, "Type", 10));
field_list.push_back(new (mem_root) Item_empty_string(thd, "Name", FN_REFLEN));
field_list.push_back(new (mem_root) Item_empty_string(thd, "Status", 10));
if (protocol->send_result_set_metadata(&field_list,
Protocol::SEND_NUM_ROWS | Protocol::SEND_EOF))