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View File Name : select_for_update.test

--echo #
--echo # Bug#19142753 ASSERT: MODE !=LOCK_X || LOCK_TABLE_HAS(THR_GET_TRX(THR),
--echo #              INDEX->TABLE, LOCK_IX)
--echo #

create table t1(a int, key(a)) engine=innodb;
insert into t1 values (0);

delimiter $;
create procedure p1()
begin
  declare counter integer default 0;
  declare continue handler for sqlexception begin set counter = counter + 1;end;
  repeat
   if rand()>0.5 then start transaction; end if;
   if rand()>0.5 then select count(*) from t1 for update; end if;
   update t1 set a = 1 where a >= 0;
   set counter = counter + 1;
  until counter >= 50 end repeat;
end $
delimiter ;$

--enable_connect_log
--connect(con1, localhost, root)
--disable_result_log
--send call p1();   # run this in two connections!
--connection default
call p1();
--connection con1
--echo reap
--reap
--echo reap done
--disconnect con1
--source include/wait_until_disconnected.inc 
--enable_result_log
--connection default
--disable_connect_log

drop procedure p1;
drop table t1;