Commit 565c20ec authored by acurtis@xiphis.org's avatar acurtis@xiphis.org

Merge acurtis@bk-internal.mysql.com:/home/bk/mysql-4.1

into xiphis.org:/usr/home/antony/work2/p3-bug7241.5
parents 93565c8e 72f9abbf
...@@ -47,3 +47,13 @@ unlock tables; ...@@ -47,3 +47,13 @@ unlock tables;
lock tables t1 write, t1 as t1_alias read; lock tables t1 write, t1 as t1_alias read;
insert into t1 select index1,nr from t1 as t1_alias; insert into t1 select index1,nr from t1 as t1_alias;
drop table t1,t2; drop table t1,t2;
create table t1 ( a int(11) not null auto_increment, primary key(a));
create table t2 ( a int(11) not null auto_increment, primary key(a));
lock tables t1 write, t2 read;
delete from t1 using t1,t2 where t1.a=t2.a;
delete t1 from t1,t2 where t1.a=t2.a;
delete from t2 using t1,t2 where t1.a=t2.a;
ERROR HY000: Table 't2' was locked with a READ lock and can't be updated
delete t2 from t1,t2 where t1.a=t2.a;
ERROR HY000: Table 't2' was locked with a READ lock and can't be updated
drop table t1,t2;
...@@ -59,3 +59,17 @@ unlock tables; ...@@ -59,3 +59,17 @@ unlock tables;
lock tables t1 write, t1 as t1_alias read; lock tables t1 write, t1 as t1_alias read;
insert into t1 select index1,nr from t1 as t1_alias; insert into t1 select index1,nr from t1 as t1_alias;
drop table t1,t2; drop table t1,t2;
#
# Bug7241 - Invalid response when DELETE .. USING and LOCK TABLES used.
#
create table t1 ( a int(11) not null auto_increment, primary key(a));
create table t2 ( a int(11) not null auto_increment, primary key(a));
lock tables t1 write, t2 read;
delete from t1 using t1,t2 where t1.a=t2.a;
delete t1 from t1,t2 where t1.a=t2.a;
--error 1099
delete from t2 using t1,t2 where t1.a=t2.a;
--error 1099
delete t2 from t1,t2 where t1.a=t2.a;
drop table t1,t2;
...@@ -1992,6 +1992,10 @@ mysql_execute_command(THD *thd) ...@@ -1992,6 +1992,10 @@ mysql_execute_command(THD *thd)
#endif #endif
} }
#endif /* !HAVE_REPLICATION */ #endif /* !HAVE_REPLICATION */
/* When subselects or time_zone info is used in a query
* we create a new TABLE_LIST containing all referenced tables
* and set local variable 'tables' to point to this list. */
if ((&lex->select_lex != lex->all_selects_list || if ((&lex->select_lex != lex->all_selects_list ||
lex->time_zone_tables_used) && lex->time_zone_tables_used) &&
lex->unit.create_total_list(thd, lex, &tables)) lex->unit.create_total_list(thd, lex, &tables))
...@@ -4141,6 +4145,7 @@ void mysql_init_multi_delete(LEX *lex) ...@@ -4141,6 +4145,7 @@ void mysql_init_multi_delete(LEX *lex)
lex->select_lex.select_limit= lex->unit.select_limit_cnt= lex->select_lex.select_limit= lex->unit.select_limit_cnt=
HA_POS_ERROR; HA_POS_ERROR;
lex->select_lex.table_list.save_and_clear(&lex->auxilliary_table_list); lex->select_lex.table_list.save_and_clear(&lex->auxilliary_table_list);
lex->lock_option= using_update_log ? TL_READ_NO_INSERT : TL_READ;
} }
...@@ -5437,6 +5442,14 @@ int multi_delete_precheck(THD *thd, TABLE_LIST *tables, uint *table_count) ...@@ -5437,6 +5442,14 @@ int multi_delete_precheck(THD *thd, TABLE_LIST *tables, uint *table_count)
} }
walk->lock_type= target_tbl->lock_type; walk->lock_type= target_tbl->lock_type;
target_tbl->table_list= walk; // Remember corresponding table target_tbl->table_list= walk; // Remember corresponding table
/* in case of subselects, we need to set lock_type in
* corresponding table in list of all tables */
if (walk->table_list)
{
target_tbl->table_list= walk->table_list;
walk->table_list->lock_type= walk->lock_type;
}
} }
DBUG_RETURN(0); DBUG_RETURN(0);
} }
......
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