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Added support for a LOCK TABLES...WHERE ENGINE = InnoDB query which sets

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transactional table locks to tables mentioned in the query. These locks
are released at the end of the transaction automatically.
This is fix for bugs #5655, #5998 and issue #3762.
This commit is contained in:
jan@hundin.mysql.fi
2004-12-09 11:10:45 +02:00
parent 835cf0f1e8
commit d6effde5d0
14 changed files with 248 additions and 20 deletions
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21
sql/sql_parse.cc
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@@ -3252,6 +3252,27 @@ create_error:
thd->options&= ~(ulong) (OPTION_TABLE_LOCK);
thd->in_lock_tables=0;
break;
case SQLCOM_LOCK_TABLES_TRANSACTIONAL:
{
uint counter = 0;
if (check_db_used(thd, all_tables))
goto error;
if (check_table_access(thd, LOCK_TABLES_ACL | SELECT_ACL, all_tables, 0))
goto error;
thd->in_lock_tables=1;
thd->options|= OPTION_TABLE_LOCK;
if (open_tables(thd, all_tables, &counter) == 0 &&
transactional_lock_tables(thd, all_tables, counter) == 0)
send_ok(thd);
else
thd->options&= ~(ulong) (OPTION_TABLE_LOCK);
thd->in_lock_tables=0;
break;
}
case SQLCOM_CREATE_DB:
{
char *alias;