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|
#
# For tests that need a lot of stack - they likely won't work under ASAN
#
source include/not_asan.inc;
source include/not_embedded.inc;
#
# Bug#10100 function (and stored procedure?) recursivity problem
#
# routines with simple recursion
delimiter |;
create function bug10100f(prm int) returns int
begin
if prm > 1 then
return prm * bug10100f(prm - 1);
end if;
return 1;
end|
set statement sql_mode = '' for
create procedure bug10100p(prm int, inout res int)
begin
set res = res * prm;
if prm > 1 then
call bug10100p(prm - 1, res);
end if;
end|
set statement sql_mode = '' for
create procedure bug10100t(prm int)
begin
declare res int;
set res = 1;
call bug10100p(prm, res);
select res;
end|
# a procedure which use tables and recursion
create table t3 (a int)|
insert into t3 values (0)|
create view v1 as select a from t3|
create procedure bug10100pt(level int, lim int)
begin
if level < lim then
update t3 set a=level;
FLUSH TABLES;
call bug10100pt(level+1, lim);
else
select * from t3;
end if;
end|
# view & recursion
create procedure bug10100pv(level int, lim int)
begin
if level < lim then
update v1 set a=level;
FLUSH TABLES;
call bug10100pv(level+1, lim);
else
select * from v1;
end if;
end|
# dynamic sql & recursion
prepare stmt2 from "select * from t3;";
create procedure bug10100pd(level int, lim int)
begin
if level < lim then
select level;
prepare stmt1 from "update t3 set a=a+2";
execute stmt1;
FLUSH TABLES;
execute stmt1;
FLUSH TABLES;
execute stmt1;
FLUSH TABLES;
deallocate prepare stmt1;
execute stmt2;
select * from t3;
call bug10100pd(level+1, lim);
else
execute stmt2;
end if;
end|
# cursor & recursion
create procedure bug10100pc(level int, lim int)
begin
declare lv int;
declare c cursor for select a from t3;
open c;
if level < lim then
select level;
fetch c into lv;
select lv;
update t3 set a=level+lv;
FLUSH TABLES;
call bug10100pc(level+1, lim);
else
select * from t3;
end if;
close c;
end|
# end of the stack checking
set @@max_sp_recursion_depth=255|
set @var=1|
# disable log because error about stack overrun contains numbers which
# depend on a system
-- disable_ps_protocol
-- disable_result_log
-- error ER_STACK_OVERRUN_NEED_MORE
call bug10100p(255, @var)|
-- error ER_STACK_OVERRUN_NEED_MORE
call bug10100pt(1,255)|
-- error ER_STACK_OVERRUN_NEED_MORE
call bug10100pv(1,255)|
-- error ER_STACK_OVERRUN_NEED_MORE
call bug10100pd(1,255)|
-- error ER_STACK_OVERRUN_NEED_MORE
call bug10100pc(1,255)|
-- enable_result_log
-- enable_ps_protocol
set @@max_sp_recursion_depth=0|
deallocate prepare stmt2|
drop function bug10100f|
drop procedure bug10100p|
drop procedure bug10100t|
drop procedure bug10100pt|
drop procedure bug10100pv|
drop procedure bug10100pd|
drop procedure bug10100pc|
drop view v1|
drop table t3|
delimiter ;|
|
