database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2026-01-06 05:22:24 +03:00
Code Activity

PS and SP made compatible in mechanism used for preparing query for rexecutions (Bug #2266)

Browse Source
This commit is contained in:
bell@sanja.is.com.ua
2004-05-20 02:02:49 +03:00
parent 9620715679
commit c7396f8d20
22 changed files with 306 additions and 275 deletions
Download Patch File Download Diff File Expand all files Collapse all files

63
sql/sql_class.cc
View File

@@ -86,7 +86,7 @@ extern "C" void free_user_var(user_var_entry *entry)
** Thread specific functions
****************************************************************************/
THD::THD():user_time(0), current_statement(0), is_fatal_error(0),
THD::THD():user_time(0), current_arena(0), is_fatal_error(0),
last_insert_id_used(0),
insert_id_used(0), rand_used(0), in_lock_tables(0),
global_read_lock(0), bootstrap(0), spcont(NULL)
@@ -1210,24 +1210,48 @@ int select_dumpvar::prepare(List<Item> &list, SELECT_LEX_UNIT *u)
}
/*
Statement functions
*/
Statement::Statement(THD *thd)
:id(++thd->statement_id_counter),
set_query_id(1),
allow_sum_func(0),
lex(&main_lex),
query(0),
query_length(0),
free_list(0)
Item_arena::Item_arena(THD* thd)
:free_list(0)
{
init_sql_alloc(&mem_root,
thd->variables.query_alloc_block_size,
thd->variables.query_prealloc_size);
}
Item_arena::Item_arena()
:free_list(0)
{
bzero((char *) &mem_root, sizeof(mem_root));
}
Item_arena::Item_arena(bool init_mem_root)
:free_list(0)
{
if (init_mem_root)
bzero((char *) &mem_root, sizeof(mem_root));
}
Item_arena::~Item_arena()
{}
/*
Statement functions
*/
Statement::Statement(THD *thd)
:Item_arena(thd),
id(++thd->statement_id_counter),
set_query_id(1),
allow_sum_func(0),
lex(&main_lex),
query(0),
query_length(0)
{}
/*
This constructor is called when statement is a subobject of THD:
Some variables are initialized in THD::init due to locking problems
@@ -1235,15 +1259,14 @@ Statement::Statement(THD *thd)
*/
Statement::Statement()
:id(0),
:Item_arena(),
id(0),
set_query_id(1),
allow_sum_func(0), /* initialized later */
lex(&main_lex),
query(0), /* these two are set */
query_length(0), /* in alloc_query() */
free_list(0)
query_length(0) /* in alloc_query() */
{
bzero((char *) &mem_root, sizeof(mem_root));
}
@@ -1264,14 +1287,14 @@ void Statement::set_statement(Statement *stmt)
}
void Statement::set_n_backup_item_arena(Statement *set, Statement *backup)
void Item_arena::set_n_backup_item_arena(Item_arena *set, Item_arena *backup)
{
backup->set_item_arena(this);
set_item_arena(set);
}
void Statement::restore_backup_item_arena(Statement *set, Statement *backup)
void Item_arena::restore_backup_item_arena(Item_arena *set, Item_arena *backup)
{
set->set_item_arena(this);
set_item_arena(backup);
@@ -1279,7 +1302,7 @@ void Statement::restore_backup_item_arena(Statement *set, Statement *backup)
init_alloc_root(&backup->mem_root, 0, 0);
}
void Statement::set_item_arena(Statement *set)
void Item_arena::set_item_arena(Item_arena *set)
{
mem_root= set->mem_root;
free_list= set->free_list;