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Merge aelkin@bk-internal.mysql.com:/home/bk/mysql-5.1-new-rpl

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into  mysql.com:/usr_rh9/home/elkin.rh9/MySQL/TEAM/BARE/mysql-5.1-new-rpl
This commit is contained in:
aelkin@mysql.com 2006-06-19 20:26:36 +03:00
commit 201f8e0479
1 changed files with 29 additions and 7 deletions
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36
sql/sql_base.cc
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@ -1526,17 +1526,37 @@ bool close_temporary_table(THD *thd, TABLE_LIST *table_list)
}
/*
Close temporary table and unlink from thd->temporary tables
unlink from thd->temporary tables and close temporary table
*/
void close_temporary_table(THD *thd, TABLE *table,
bool free_share, bool delete_table)
{
TABLE **prev= table->open_prev;
if ((*table->open_prev= table->next))
table->next->open_prev= prev;
if (table->prev)
{
table->prev->next= table->next;
if (table->prev->next)
table->next->prev= table->prev;
}
else
{
/* removing the item from the list */
DBUG_ASSERT(table == thd->temporary_tables);
/*
slave must reset its temporary list pointer to zero to exclude
passing non-zero value to end_slave via rli->save_temporary_tables
when no temp tables opened, see an invariant below.
*/
thd->temporary_tables= table->next;
if (thd->temporary_tables)
table->next->prev= 0;
}
if (thd->slave_thread)
{
/* natural invariant of temporary_tables */
DBUG_ASSERT(slave_open_temp_tables || !thd->temporary_tables);
slave_open_temp_tables--;
}
close_temporary(table, free_share, delete_table);
}
@ -3504,10 +3524,12 @@ TABLE *open_temporary_table(THD *thd, const char *path, const char *db,
if (link_in_list)
{
tmp_table->open_prev= &thd->temporary_tables;
if ((tmp_table->next= thd->temporary_tables))
thd->temporary_tables->open_prev= &tmp_table->next;
/* growing temp list at the head */
tmp_table->next= thd->temporary_tables;
if (tmp_table->next)
tmp_table->next->prev= tmp_table;
thd->temporary_tables= tmp_table;
thd->temporary_tables->prev= 0;
if (thd->slave_thread)
slave_open_temp_tables++;
}