summaryrefslogtreecommitdiff
path: root/sql/lock.cc
diff options
context:
space:
mode:
Diffstat (limited to 'sql/lock.cc')
-rw-r--r--sql/lock.cc58
1 files changed, 0 insertions, 58 deletions
diff --git a/sql/lock.cc b/sql/lock.cc
index 393cf4cf142..973e82b7b10 100644
--- a/sql/lock.cc
+++ b/sql/lock.cc
@@ -939,61 +939,3 @@ bool make_global_read_lock_block_commit(THD *thd)
DBUG_RETURN(error);
}
-/*
- Take transactional table lock for all tables in the list
-
- SYNOPSIS
- transactional_lock_tables
- thd Thread THD
- tables list of tables
- counter number of tables in the list
-
- NOTES
-
- RETURN
- 0 - OK
- -1 - error
-
-*/
-int transactional_lock_tables(THD *thd, TABLE_LIST *tables, uint counter)
-{
- uint i;
- int lock_type,error=0;
- TABLE_LIST *table;
- TABLE **start,**ptr;
-
- DBUG_ENTER("transactional_lock_tables");
-
- if (!(ptr=start=(TABLE**) sql_alloc(sizeof(TABLE*) * counter)))
- return -1;
-
- for (table= tables; table; table= table->next_global)
- {
- if (!table->placeholder() && !table->schema_table)
- *(ptr++)= table->table;
- }
-
- for (i=1 ; i <= counter ; i++, start++)
- {
- DBUG_ASSERT((*start)->reginfo.lock_type >= TL_READ);
- lock_type=F_WRLCK; /* Lock exclusive */
-
- if ((*start)->db_stat & HA_READ_ONLY ||
- ((*start)->reginfo.lock_type >= TL_READ &&
- (*start)->reginfo.lock_type <= TL_READ_NO_INSERT))
- lock_type=F_RDLCK;
-
- if ((error=(*start)->file->transactional_table_lock(thd, lock_type)))
- {
- print_lock_error(error, (*start)->file->table_type());
- DBUG_RETURN(-1);
- }
- else
- {
- (*start)->db_stat &= ~ HA_BLOCK_LOCK;
- (*start)->current_lock= lock_type;
- }
- }
-
- DBUG_RETURN(0);
-}