--source include/have_innodb.inc
--source include/not_embedded.inc

--echo #
--echo # Bug #18806829 OPENING INNODB TABLES WITH MANY FOREIGN KEY
--echo # REFERENCES IS SLOW/CRASHES SEMAPHORE
--echo #

create table t1 (f1 int primary key) engine=innodb;
insert into t1 values (5);
insert into t1 values (2882);
insert into t1 values (10);

let $fk_tables = 120;

--disable_query_log
let $i = $fk_tables;
while ($i)
{
  eval create table fk_$i (f1 int primary key,
          constraint pc$i foreign key (f1) references t1(f1)
          on delete cascade on update cascade) engine=innodb;
  eval insert into fk_$i values (5);
  eval insert into fk_$i values (2882);
  eval insert into fk_$i values (10);
  dec $i;
}
--enable_query_log

--source include/restart_mysqld.inc

update t1 set f1 = 28 where f1 = 2882;

select * from fk_120;
select * from fk_1;
select * from fk_50;

--disable_query_log
let $i = $fk_tables;
while ($i)
{
  eval drop table fk_$i;
  dec $i;
}
--enable_query_log

drop table t1;

--echo #
--echo # Check if restrict is working fine.
--echo #

create table t1 (f1 int primary key) engine=innodb;

let $fk_tables = 30;

--disable_query_log
let $i = $fk_tables;
while ($i)
{
  eval create table fk_$i (f1 int primary key,
          constraint pc$i foreign key (f1) references t1(f1)
          on delete restrict on update restrict) engine=innodb;
  eval insert into t1 values ($i);
  eval insert into fk_$i values ($i);
  dec $i;
}
--enable_query_log

--source include/restart_mysqld.inc

--error ER_ROW_IS_REFERENCED_2
delete from t1 where f1 = 29;
select * from fk_29;

--disable_query_log
let $i = $fk_tables;
while ($i)
{
  eval drop table fk_$i;
  dec $i;
}
--enable_query_log

drop table t1;