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Avoiding removing dummy TABLE allocated on the stack (BUG#14726).

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This commit is contained in:
bell@sanja.is.com.ua
2005-11-21 21:11:02 +02:00
parent 13260ea8f3
commit 87a199fc2a
3 changed files with 61 additions and 9 deletions
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17
sql/sql_base.cc
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@ -1199,17 +1199,16 @@ TABLE *open_table(THD *thd, TABLE_LIST *table_list, MEM_ROOT *mem_root,
(void) unpack_filename(path, path);
if (mysql_frm_type(thd, path, &not_used) == FRMTYPE_VIEW)
{
TABLE tab;// will not be used (because it's VIEW) but have to be passed
/*
Will not be used (because it's VIEW) but has to be passed.
Also we will not free it (because it is a stack variable).
*/
TABLE tab;
table= &tab;
VOID(pthread_mutex_lock(&LOCK_open));
if (open_unireg_entry(thd, table, table_list->db,
table_list->table_name,
alias, table_list, mem_root))
{
table->next=table->prev=table;
free_cache_entry(table);
}
else
if (!open_unireg_entry(thd, table, table_list->db,
table_list->table_name,
alias, table_list, mem_root))
{
DBUG_ASSERT(table_list->view != 0);
VOID(pthread_mutex_unlock(&LOCK_open));