Commit e57f7dd2 authored by unknown's avatar unknown

Merge mysql.com:/home/mydev/mysql-5.0

into  mysql.com:/home/mydev/mysql-5.0-5000

parents 20c8bfe7 738ee005
......@@ -1030,23 +1030,23 @@ TABLE *reopen_name_locked_table(THD* thd, TABLE_LIST* table_list)
SYNOPSIS
open_table()
thd Thread context
table_list Open first table in list
refresh Pointer to memory that will be set to 1 if
we need to close all tables and reopen them
If this is a NULL pointer, then the is no version
number checking and the table is not put in the
thread-open-list
flags Bitmap of flags to modify how open works:
MYSQL_LOCK_IGNORE_FLUSH - Open table even if someone
has done a flush or namelock on it.
thd Thread context.
table_list Open first table in list.
refresh INOUT Pointer to memory that will be set to 1 if
we need to close all tables and reopen them.
If this is a NULL pointer, then the table is not
put in the thread-open-list.
flags Bitmap of flags to modify how open works:
MYSQL_LOCK_IGNORE_FLUSH - Open table even if
someone has done a flush or namelock on it.
No version number checking is done.
IMPLEMENTATION
Uses a cache of open tables to find a table not in use.
RETURN
NULL Open failed. If refresh is set then one should close
all other tables and retry the open
all other tables and retry the open.
# Success. Pointer to TABLE object for open table.
*/
......@@ -1201,10 +1201,12 @@ TABLE *open_table(THD *thd, TABLE_LIST *table_list, MEM_ROOT *mem_root,
if (!thd->open_tables)
thd->version=refresh_version;
else if (thd->version != refresh_version && refresh)
else if ((thd->version != refresh_version) &&
! (flags & MYSQL_LOCK_IGNORE_FLUSH))
{
/* Someone did a refresh while thread was opening tables */
*refresh=1;
if (refresh)
*refresh=1;
VOID(pthread_mutex_unlock(&LOCK_open));
DBUG_RETURN(0);
}
......
......@@ -1756,7 +1756,8 @@ TABLE *create_table_from_items(THD *thd, HA_CREATE_INFO *create_info,
create_info, *extra_fields, *keys, 0,
select_field_count))
{
if (!(table= open_table(thd, create_table, thd->mem_root, (bool*)0, 0)))
if (! (table= open_table(thd, create_table, thd->mem_root, (bool*) 0,
MYSQL_LOCK_IGNORE_FLUSH)))
quick_rm_table(create_info->db_type, create_table->db,
table_case_name(create_info, create_table->table_name));
}
......@@ -3579,7 +3580,8 @@ bool mysql_alter_table(THD *thd,char *new_db, char *new_name,
bzero((void*) &tbl, sizeof(tbl));
tbl.db= new_db;
tbl.table_name= tbl.alias= tmp_name;
new_table= open_table(thd, &tbl, thd->mem_root, 0, 0);
new_table= open_table(thd, &tbl, thd->mem_root, (bool*) 0,
MYSQL_LOCK_IGNORE_FLUSH);
}
else
{
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment