diff options
Diffstat (limited to 'sql/sql_acl.cc')
| -rw-r--r-- | sql/sql_acl.cc | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/sql/sql_acl.cc b/sql/sql_acl.cc index 332606771aa..bc8b9ba2efb 100644 --- a/sql/sql_acl.cc +++ b/sql/sql_acl.cc @@ -3522,8 +3522,14 @@ bool check_grant(THD *thd, ulong want_access, TABLE_LIST *tables, DBUG_ASSERT(number > 0); /* - Iterate tables until first prelocking placeholder (if this query do not - have placeholders first_not_own_table is 0) + Walk through the list of tables that belong to the query and save the + requested access (orig_want_privilege) to be able to use it when + checking access rights to the underlying tables of a view. Our grant + system gradually eliminates checked bits from want_privilege and thus + after all checks are done we can no longer use it. + The check that first_not_own_table is not reached is for the case when + the given table list refers to the list for prelocking (contains tables + of other queries). For simple queries first_not_own_table is 0. */ for (i= 0, table= tables; table && table != first_not_own_table && i < number; |