diff options
Diffstat (limited to 'sql/sql_update.cc')
-rw-r--r-- | sql/sql_update.cc | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/sql/sql_update.cc b/sql/sql_update.cc index df7b2cf809f..1e702a9517c 100644 --- a/sql/sql_update.cc +++ b/sql/sql_update.cc @@ -15,8 +15,9 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -/* Update of records - Multi-table updates were introduced by Monty and Sinisa <sinisa@mysql.com> +/* + Single table and multi table updates of tables. + Multi-table updates were introduced by Sinisa & Monty */ #include "mysql_priv.h" @@ -423,17 +424,24 @@ int mysql_multi_update(THD *thd, int res; multi_update *result; TABLE_LIST *tl; + table_map item_tables= 0, derived_tables= 0; DBUG_ENTER("mysql_multi_update"); -#ifndef NO_EMBEDDED_ACCESS_CHECKS - table_list->grant.want_privilege=(SELECT_ACL & ~table_list->grant.privilege); -#endif - if ((res=open_and_lock_tables(thd,table_list))) + if ((res=open_and_lock_tables(thd,table_list))) DBUG_RETURN(res); select_lex->select_limit= HA_POS_ERROR; - table_map item_tables= 0, derived_tables= 0; + /* + Ensure that we have update privilege for all tables and columns in the + SET part + */ + for (tl= table_list ; tl ; tl=tl->next) + { + TABLE *table= tl->table; + table->grant.want_privilege= (UPDATE_ACL & ~table->grant.privilege); + } + if (thd->lex->derived_tables) { // Assign table map values to check updatability of derived tables @@ -464,6 +472,9 @@ int mysql_multi_update(THD *thd, for (tl= select_lex->get_table_list() ; tl ; tl= tl->next) { TABLE *table= tl->table; + + /* We only need SELECT privilege for columns in the values list */ + table->grant.want_privilege= (SELECT_ACL & ~table->grant.privilege); if (table->timestamp_field) { table->time_stamp=0; |