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merge on pull

BitKeeper/etc/logging_ok:
  auto-union
BitKeeper/deleted/.del-Makefile.am:
  Delete: Docs/Images/Makefile.am
configure.in:
  Auto merged
innobase/include/row0mysql.h:
  Auto merged
innobase/lock/lock0lock.c:
  Auto merged
innobase/row/row0mysql.c:
  Auto merged
mysql-test/r/ps.result:
  Auto merged
mysql-test/t/ps.test:
  Auto merged
sql/ha_innodb.cc:
  Auto merged
sql/ha_innodb.h:
  Auto merged
sql/item.cc:
  Auto merged
sql/item.h:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_class.h:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_prepare.cc:
  Auto merged
sql/table.cc:
  Auto merged
This commit is contained in:
unknown
2004-11-09 04:06:44 +02:00
245 changed files with 10307 additions and 17022 deletions

View File

@ -515,7 +515,8 @@ public:
itself to the list on creation (see Item::Item() for details))
*/
Item *free_list;
MEM_ROOT mem_root;
MEM_ROOT main_mem_root;
MEM_ROOT *mem_root; // Pointer to current memroot
#ifndef DBUG_OFF
bool backup_arena;
#endif
@ -557,24 +558,24 @@ public:
{ return state == PREPARED || state == EXECUTED; }
inline bool is_conventional() const
{ return state == CONVENTIONAL_EXECUTION; }
inline gptr alloc(unsigned int size) { return alloc_root(&mem_root,size); }
inline gptr alloc(unsigned int size) { return alloc_root(mem_root,size); }
inline gptr calloc(unsigned int size)
{
gptr ptr;
if ((ptr=alloc_root(&mem_root,size)))
if ((ptr=alloc_root(mem_root,size)))
bzero((char*) ptr,size);
return ptr;
}
inline char *strdup(const char *str)
{ return strdup_root(&mem_root,str); }
{ return strdup_root(mem_root,str); }
inline char *strmake(const char *str, uint size)
{ return strmake_root(&mem_root,str,size); }
{ return strmake_root(mem_root,str,size); }
inline char *memdup(const char *str, uint size)
{ return memdup_root(&mem_root,str,size); }
{ return memdup_root(mem_root,str,size); }
inline char *memdup_w_gap(const char *str, uint size, uint gap)
{
gptr ptr;
if ((ptr=alloc_root(&mem_root,size+gap)))
if ((ptr=alloc_root(mem_root,size+gap)))
memcpy(ptr,str,size);
return ptr;
}
@ -1171,11 +1172,26 @@ public:
inline CHARSET_INFO *charset() { return variables.character_set_client; }
void update_charset();
inline Item_arena *change_arena_if_needed(Item_arena *backup)
{
/*
use new arena if we are in a prepared statements and we have not
already changed to use this arena.
*/
if (!current_arena->is_conventional() &&
mem_root != &current_arena->main_mem_root)
{
set_n_backup_item_arena(current_arena, backup);
return current_arena;
}
return 0;
}
void change_item_tree(Item **place, Item *new_value)
{
/* TODO: check for OOM condition here */
if (!current_arena->is_conventional())
nocheck_register_item_tree_change(place, *place, &mem_root);
nocheck_register_item_tree_change(place, *place, mem_root);
*place= new_value;
}
void nocheck_register_item_tree_change(Item **place, Item *old_value,