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Merge rurik.mysql.com:/home/igor/mysql-5.0

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into  rurik.mysql.com:/home/igor/dev/mysql-5.0-2
This commit is contained in:
igor@rurik.mysql.com
2005-11-22 23:00:57 -08:00
parent a0744fba27 83d692da88
commit 7b1b69a6e7
133 changed files with 3261 additions and 1028 deletions
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26
sql/sql_class.cc
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@ -1495,7 +1495,13 @@ int select_dumpvar::prepare(List<Item> &list, SELECT_LEX_UNIT *u)
{
my_var *mv= gl++;
if (mv->local)
(void)local_vars.push_back(new Item_splocal(mv->s, mv->offset));
{
Item_splocal *var;
(void)local_vars.push_back(var= new Item_splocal(mv->s, mv->offset));
#ifndef DEBUG_OFF
var->owner= mv->owner;
#endif
}
else
{
Item_func_set_user_var *var= new Item_func_set_user_var(mv->s, item);
@ -1914,6 +1920,7 @@ void THD::restore_backup_open_tables_state(Open_tables_state *backup)
- Value for found_rows() is reset and restored
- examined_row_count is added to the total
- cuted_fields is added to the total
- new savepoint level is created and destroyed
NOTES:
Seed for random() is saved for the first! usage of RAND()
@ -1937,6 +1944,7 @@ void THD::reset_sub_statement_state(Sub_statement_state *backup,
backup->sent_row_count= sent_row_count;
backup->cuted_fields= cuted_fields;
backup->client_capabilities= client_capabilities;
backup->savepoints= transaction.savepoints;
if (!lex->requires_prelocking() || is_update_query(lex->sql_command))
options&= ~OPTION_BIN_LOG;
@ -1949,6 +1957,7 @@ void THD::reset_sub_statement_state(Sub_statement_state *backup,
examined_row_count= 0;
sent_row_count= 0;
cuted_fields= 0;
transaction.savepoints= 0;
#ifndef EMBEDDED_LIBRARY
/* Surpress OK packets in case if we will execute statements */
@ -1959,6 +1968,21 @@ void THD::reset_sub_statement_state(Sub_statement_state *backup,
void THD::restore_sub_statement_state(Sub_statement_state *backup)
{
/*
To save resources we want to release savepoints which were created
during execution of function or trigger before leaving their savepoint
level. It is enough to release first savepoint set on this level since
all later savepoints will be released automatically.
*/
if (transaction.savepoints)
{
SAVEPOINT *sv;
for (sv= transaction.savepoints; sv->prev; sv= sv->prev)
{}
/* ha_release_savepoint() never returns error. */
(void)ha_release_savepoint(this, sv);
}
transaction.savepoints= backup->savepoints;
options= backup->options;
in_sub_stmt= backup->in_sub_stmt;
net.no_send_ok= backup->no_send_ok;