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Kirill Smelkov
mariadb
Commits
7bb5986d
Commit
7bb5986d
authored
Jul 03, 2009
by
Bernt M. Johnsen
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Bug#15866 Prepared for push on 5.1
parents
fdf1461a
e0a3403b
Changes
2
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2 changed files
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13 additions
and
32 deletions
+13
-32
mysql-test/r/sp-fib.result
mysql-test/r/sp-fib.result
+4
-17
mysql-test/t/sp-fib.test
mysql-test/t/sp-fib.test
+9
-15
No files found.
mysql-test/r/sp-fib.result
View file @
7bb5986d
...
...
@@ -10,24 +10,17 @@ declare c cursor for select f from t3 order by f desc limit 2;
open c;
fetch c into y;
fetch c into x;
close c;
insert into t3 values (x+y);
call fib(n-1);
## Close the cursor AFTER the recursion to ensure that the stack
## frame is somewhat intact.
close c;
end;
end if;
end|
set @@max_sp_recursion_depth= 20|
insert into t3 values (0), (1)|
call fib(3)|
select * from t3 order by f asc|
f
0
1
1
2
truncate table t3|
insert into t3 values (0), (1)|
call fib(10)|
call fib(4)|
select * from t3 order by f asc|
f
0
...
...
@@ -35,12 +28,6 @@ f
1
2
3
5
8
13
21
34
55
drop table t3|
drop procedure fib|
set @@max_sp_recursion_depth= 0|
mysql-test/t/sp-fib.test
View file @
7bb5986d
...
...
@@ -22,13 +22,14 @@ begin
begin
declare
x
,
y
bigint
unsigned
;
declare
c
cursor
for
select
f
from
t3
order
by
f
desc
limit
2
;
open
c
;
fetch
c
into
y
;
fetch
c
into
x
;
close
c
;
insert
into
t3
values
(
x
+
y
);
call
fib
(
n
-
1
);
## Close the cursor AFTER the recursion to ensure that the stack
## frame is somewhat intact.
close
c
;
end
;
end
if
;
end
|
...
...
@@ -36,24 +37,17 @@ end|
# Enable recursion
set
@@
max_sp_recursion_depth
=
20
|
# Minimum test: recursion of 3 levels
insert
into
t3
values
(
0
),
(
1
)
|
call
fib
(
3
)
|
# The small number of recursion levels is intentional.
# We need to avoid
# Bug#15866 main.sp fails (thread stack limit
# insufficient for recursive call "fib(20)")
# which affects some platforms.
call
fib
(
4
)
|
select
*
from
t3
order
by
f
asc
|
truncate
table
t3
|
# The original test, 20 levels, ran into memory limits on some machines
# and builds. Try 10 instead...
insert
into
t3
values
(
0
),
(
1
)
|
call
fib
(
10
)
|
select
*
from
t3
order
by
f
asc
|
drop
table
t3
|
drop
procedure
fib
|
set
@@
max_sp_recursion_depth
=
0
|
...
...
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