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Merge with 4.1 to get new thd->mem_root handling

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This commit is contained in:
monty@mysql.com
2004-11-08 17:53:32 +02:00
parent 401ede54b7 4fbf62e6c2
commit 1087186657
125 changed files with 5745 additions and 14937 deletions
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18
sql/sql_class.cc
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@@ -316,7 +316,7 @@ void THD::init_for_queries()
{
ha_enable_transaction(this,TRUE);
reset_root_defaults(&mem_root, variables.query_alloc_block_size,
reset_root_defaults(mem_root, variables.query_alloc_block_size,
variables.query_prealloc_size);
reset_root_defaults(&transaction.mem_root,
variables.trans_alloc_block_size,
@@ -431,7 +431,7 @@ THD::~THD()
dbug_sentry= THD_SENTRY_GONE;
#endif
/* Reset stmt_backup.mem_root to not double-free memory from thd.mem_root */
clear_alloc_root(&stmt_backup.mem_root);
clear_alloc_root(&stmt_backup.main_mem_root);
DBUG_VOID_RETURN;
}
@@ -1465,10 +1465,10 @@ void select_dumpvar::cleanup()
for memory root initialization.
*/
Item_arena::Item_arena(THD* thd)
:free_list(0),
state(INITIALIZED)
:free_list(0), mem_root(&main_mem_root),
state(INITIALIZED)
{
init_sql_alloc(&mem_root,
init_sql_alloc(&main_mem_root,
thd->variables.query_alloc_block_size,
thd->variables.query_prealloc_size);
}
@@ -1491,11 +1491,11 @@ Item_arena::Item_arena(THD* thd)
statements.
*/
Item_arena::Item_arena(bool init_mem_root)
:free_list(0),
:free_list(0), mem_root(&main_mem_root),
state(CONVENTIONAL_EXECUTION)
{
if (init_mem_root)
init_sql_alloc(&mem_root, ALLOC_ROOT_MIN_BLOCK_SIZE, 0);
init_sql_alloc(&main_mem_root, ALLOC_ROOT_MIN_BLOCK_SIZE, 0);
}
@@ -1626,14 +1626,14 @@ void Item_arena::restore_backup_item_arena(Item_arena *set, Item_arena *backup)
void Item_arena::set_item_arena(Item_arena *set)
{
mem_root= set->mem_root;
mem_root= set->mem_root;
free_list= set->free_list;
state= set->state;
}
Statement::~Statement()
{
free_root(&mem_root, MYF(0));
free_root(&main_mem_root, MYF(0));
}
C_MODE_START