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Diffstat (limited to 'mysql-test/main/lotofstack.test')
-rw-r--r-- | mysql-test/main/lotofstack.test | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/mysql-test/main/lotofstack.test b/mysql-test/main/lotofstack.test new file mode 100644 index 00000000..a658fb00 --- /dev/null +++ b/mysql-test/main/lotofstack.test @@ -0,0 +1,133 @@ +# +# 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 ;| |