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nexedi
MariaDB
Commits
61a5fac1
Commit
61a5fac1
authored
Sep 06, 2005
by
unknown
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Bug #6172 RAND(a) should only accept constant values as arguments(2nd version)
Argument of RAND function can be constant value only
parent
f53de1f2
Changes
5
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Showing
5 changed files
with
41 additions
and
26 deletions
+41
-26
mysql-test/r/func_math.result
mysql-test/r/func_math.result
+5
-0
mysql-test/r/ps.result
mysql-test/r/ps.result
+21
-23
mysql-test/t/func_math.test
mysql-test/t/func_math.test
+9
-0
mysql-test/t/ps.test
mysql-test/t/ps.test
+1
-3
sql/item_func.cc
sql/item_func.cc
+5
-0
No files found.
mysql-test/r/func_math.result
View file @
61a5fac1
...
@@ -140,3 +140,8 @@ drop table t1;
...
@@ -140,3 +140,8 @@ drop table t1;
select abs(-2) * -2;
select abs(-2) * -2;
abs(-2) * -2
abs(-2) * -2
-4
-4
create table t1 (i int);
insert into t1 values (1);
select rand(i) from t1;
ERROR HY000: Incorrect arguments to RAND
drop table t1;
mysql-test/r/ps.result
View file @
61a5fac1
...
@@ -334,39 +334,37 @@ create table t1 (a int);
...
@@ -334,39 +334,37 @@ create table t1 (a int);
insert into t1 (a) values (1), (2), (3), (4);
insert into t1 (a) values (1), (2), (3), (4);
set @precision=10000000000;
set @precision=10000000000;
select rand(),
select rand(),
cast(rand(10)*@precision as unsigned integer),
cast(rand(10)*@precision as unsigned integer) from t1;
cast(rand(a)*@precision as unsigned integer) from t1;
rand() cast(rand(10)*@precision as unsigned integer)
rand() cast(rand(10)*@precision as unsigned integer) cast(rand(a)*@precision as unsigned integer)
- 6570515219
- 6570515219 -
- 1282061302
- 1282061302 -
- 6698761160
- 6698761160 -
- 9647622201
- 9647622201 -
prepare stmt from
prepare stmt from
"select rand(),
"select rand(),
cast(rand(10)*@precision as unsigned integer),
cast(rand(10)*@precision as unsigned integer),
cast(rand(a)*@precision as unsigned integer),
cast(rand(?)*@precision as unsigned integer) from t1";
cast(rand(?)*@precision as unsigned integer) from t1";
set @var=1;
set @var=1;
execute stmt using @var;
execute stmt using @var;
rand() cast(rand(10)*@precision as unsigned integer) cast(rand(
a)*@precision as unsigned integer) cast(rand(
?)*@precision as unsigned integer)
rand() cast(rand(10)*@precision as unsigned integer) cast(rand(?)*@precision as unsigned integer)
- 6570515219 -
4054035371
- 6570515219 -
- 1282061302 -
8716141803
- 1282061302 -
- 6698761160 -
1418603212
- 6698761160 -
- 9647622201 -
944590960
- 9647622201 -
set @var=2;
set @var=2;
execute stmt using @var;
execute stmt using @var;
rand() cast(rand(10)*@precision as unsigned integer) cast(rand(
a)*@precision as unsigned integer) cast(rand(
?)*@precision as unsigned integer)
rand() cast(rand(10)*@precision as unsigned integer) cast(rand(?)*@precision as unsigned integer)
- 6570515219
1559528654
6555866465
- 6570515219 6555866465
- 1282061302
6238114970
1223466192
- 1282061302 1223466192
- 6698761160 6
511989195 6
449731873
- 6698761160 6449731873
- 9647622201
3845601374
8578261098
- 9647622201 8578261098
set @var=3;
set @var=3;
execute stmt using @var;
execute stmt using @var;
rand() cast(rand(10)*@precision as unsigned integer) cast(rand(
a)*@precision as unsigned integer) cast(rand(
?)*@precision as unsigned integer)
rand() cast(rand(10)*@precision as unsigned integer) cast(rand(?)*@precision as unsigned integer)
- 6570515219
1559528654
9057697559
- 6570515219 9057697559
- 1282061302
6238114970
3730790581
- 1282061302 3730790581
- 6698761160
6511989195
1480860534
- 6698761160 1480860534
- 9647622201
3845601374
6211931236
- 9647622201 6211931236
drop table t1;
drop table t1;
deallocate prepare stmt;
deallocate prepare stmt;
create database mysqltest1;
create database mysqltest1;
...
...
mysql-test/t/func_math.test
View file @
61a5fac1
...
@@ -77,4 +77,13 @@ drop table t1;
...
@@ -77,4 +77,13 @@ drop table t1;
#
#
select
abs
(
-
2
)
*
-
2
;
select
abs
(
-
2
)
*
-
2
;
#
# Bug #6172 RAND(a) should only accept constant values as arguments
#
create
table
t1
(
i
int
);
insert
into
t1
values
(
1
);
--
error
1210
select
rand
(
i
)
from
t1
;
drop
table
t1
;
# End of 4.1 tests
# End of 4.1 tests
mysql-test/t/ps.test
View file @
61a5fac1
...
@@ -368,12 +368,10 @@ insert into t1 (a) values (1), (2), (3), (4);
...
@@ -368,12 +368,10 @@ insert into t1 (a) values (1), (2), (3), (4);
set
@
precision
=
10000000000
;
set
@
precision
=
10000000000
;
--
replace_column
1
-
3
-
--
replace_column
1
-
3
-
select
rand
(),
select
rand
(),
cast
(
rand
(
10
)
*@
precision
as
unsigned
integer
),
cast
(
rand
(
10
)
*@
precision
as
unsigned
integer
)
from
t1
;
cast
(
rand
(
a
)
*@
precision
as
unsigned
integer
)
from
t1
;
prepare
stmt
from
prepare
stmt
from
"select rand(),
"select rand(),
cast(rand(10)*@precision as unsigned integer),
cast(rand(10)*@precision as unsigned integer),
cast(rand(a)*@precision as unsigned integer),
cast(rand(?)*@precision as unsigned integer) from t1"
;
cast(rand(?)*@precision as unsigned integer) from t1"
;
set
@
var
=
1
;
set
@
var
=
1
;
--
replace_column
1
-
3
-
--
replace_column
1
-
3
-
...
...
sql/item_func.cc
View file @
61a5fac1
...
@@ -1038,6 +1038,11 @@ bool Item_func_rand::fix_fields(THD *thd, struct st_table_list *tables,
...
@@ -1038,6 +1038,11 @@ bool Item_func_rand::fix_fields(THD *thd, struct st_table_list *tables,
used_tables_cache
|=
RAND_TABLE_BIT
;
used_tables_cache
|=
RAND_TABLE_BIT
;
if
(
arg_count
)
if
(
arg_count
)
{
// Only use argument once in query
{
// Only use argument once in query
if
(
!
args
[
0
]
->
const_during_execution
())
{
my_error
(
ER_WRONG_ARGUMENTS
,
MYF
(
0
),
"RAND"
);
return
TRUE
;
}
/*
/*
Allocate rand structure once: we must use thd->current_arena
Allocate rand structure once: we must use thd->current_arena
to create rand in proper mem_root if it's a prepared statement or
to create rand in proper mem_root if it's a prepared statement or
...
...
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