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Kirill Smelkov
mariadb
Commits
929c97db
Commit
929c97db
authored
Sep 20, 2011
by
Tor Didriksen
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Bug#12985030 SIMPLE QUERY WITH DECIMAL NUMBERS LEAKS MEMORY
parent
0595b00a
Changes
3
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3 changed files
with
59 additions
and
2 deletions
+59
-2
mysql-test/r/func_str.result
mysql-test/r/func_str.result
+35
-0
mysql-test/t/func_str.test
mysql-test/t/func_str.test
+19
-0
strings/dtoa.c
strings/dtoa.c
+5
-2
No files found.
mysql-test/r/func_str.result
View file @
929c97db
...
...
@@ -2785,5 +2785,40 @@ format(123,2,'no_NO')
123,00
DROP TABLE t1;
#
# Bug#12985030 SIMPLE QUERY WITH DECIMAL NUMBERS LEAKS MEMORY
#
SELECT (rpad(1.0,2048,1)) IS NOT FALSE;
(rpad(1.0,2048,1)) IS NOT FALSE
1
SELECT ((+0) IN
((0b111111111111111111111111111111111111111111111111111),(rpad(1.0,2048,1)),
(32767.1)));
((+0) IN
((0b111111111111111111111111111111111111111111111111111),(rpad(1.0,2048,1)),
(32767.1)))
0
SELECT ((rpad(1.0,2048,1)) = ('4(') ^ (0.1));
((rpad(1.0,2048,1)) = ('4(') ^ (0.1))
0
Warnings:
Warning 1292 Truncated incorrect INTEGER value: '4('
SELECT
pow((rpad(1.0,2048,1)),(b'1111111111111111111111111111111111111111111'));
ERROR 22003: DOUBLE value is out of range in 'pow(rpad(1.0,2048,1),0x07ffffffffff)'
SELECT ((rpad(1.0,2048,1)) + (0) ^ ('../'));
((rpad(1.0,2048,1)) + (0) ^ ('../'))
1.011111111111111
Warnings:
Warning 1292 Truncated incorrect INTEGER value: '../'
SELECT stddev_samp(rpad(1.0,2048,1));
stddev_samp(rpad(1.0,2048,1))
NULL
SELECT ((127.1) not in ((rpad(1.0,2048,1)),(''),(-1.1)));
((127.1) not in ((rpad(1.0,2048,1)),(''),(-1.1)))
1
SELECT ((0xf3) * (rpad(1.0,2048,1)) << (0xcc));
((0xf3) * (rpad(1.0,2048,1)) << (0xcc))
0
#
# End of 5.5 tests
#
mysql-test/t/func_str.test
View file @
929c97db
...
...
@@ -1436,6 +1436,25 @@ SHOW CREATE TABLE t1;
SELECT
*
FROM
t1
;
DROP
TABLE
t1
;
--
echo
#
--
echo
# Bug#12985030 SIMPLE QUERY WITH DECIMAL NUMBERS LEAKS MEMORY
--
echo
#
SELECT
(
rpad
(
1.0
,
2048
,
1
))
IS
NOT
FALSE
;
SELECT
((
+
0
)
IN
((
0b111111111111111111111111111111111111111111111111111
),(
rpad
(
1.0
,
2048
,
1
)),
(
32767.1
)));
SELECT
((
rpad
(
1.0
,
2048
,
1
))
=
(
'4('
)
^
(
0.1
));
--
error
1690
SELECT
pow
((
rpad
(
1.0
,
2048
,
1
)),(
b
'1111111111111111111111111111111111111111111'
));
SELECT
((
rpad
(
1.0
,
2048
,
1
))
+
(
0
)
^
(
'../'
));
SELECT
stddev_samp
(
rpad
(
1.0
,
2048
,
1
));
SELECT
((
127.1
)
not
in
((
rpad
(
1.0
,
2048
,
1
)),(
''
),(
-
1.1
)));
SELECT
((
0xf3
)
*
(
rpad
(
1.0
,
2048
,
1
))
<<
(
0xcc
));
--
echo
#
--
echo
# End of 5.5 tests
--
echo
#
strings/dtoa.c
View file @
929c97db
...
...
@@ -46,7 +46,7 @@
see if it is possible to get rid of malloc().
this constant is sufficient to avoid malloc() on all inputs I have tried.
*/
#define DTOA_BUFF_SIZE (4
2
0 * sizeof(void *))
#define DTOA_BUFF_SIZE (4
6
0 * sizeof(void *))
/* Magic value returned by dtoa() to indicate overflow */
#define DTOA_OVERFLOW 9999
...
...
@@ -659,6 +659,7 @@ typedef struct Stack_alloc
static
Bigint
*
Balloc
(
int
k
,
Stack_alloc
*
alloc
)
{
Bigint
*
rv
;
DBUG_ASSERT
(
k
<=
Kmax
);
if
(
k
<=
Kmax
&&
alloc
->
freelist
[
k
])
{
rv
=
alloc
->
freelist
[
k
];
...
...
@@ -1005,7 +1006,7 @@ static Bigint p5_a[]=
static
Bigint
*
pow5mult
(
Bigint
*
b
,
int
k
,
Stack_alloc
*
alloc
)
{
Bigint
*
b1
,
*
p5
,
*
p51
;
Bigint
*
b1
,
*
p5
,
*
p51
=
NULL
;
int
i
;
static
int
p05
[
3
]
=
{
5
,
25
,
125
};
...
...
@@ -1037,6 +1038,8 @@ static Bigint *pow5mult(Bigint *b, int k, Stack_alloc *alloc)
p5
=
p51
;
}
}
if
(
p51
)
Bfree
(
p51
,
alloc
);
return
b
;
}
...
...
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