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Bug #6172 RAND(a) should only accept constant values as arguments(2nd version)

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Argument of RAND function can be constant value only
This commit is contained in:
gluh@eagle.intranet.mysql.r18.ru
2005-09-06 16:19:59 +05:00
parent 7f91ddcd88
commit a5bd5e9af2
5 changed files with 43 additions and 28 deletions
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48
mysql-test/r/ps.result
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@@ -334,39 +334,37 @@ create table t1 (a int);
insert into t1 (a) values (1), (2), (3), (4);
set @precision=10000000000;
select rand(),
cast(rand(10)*@precision as unsigned integer),
cast(rand(a)*@precision as unsigned integer) from t1;
rand() cast(rand(10)*@precision as unsigned integer) cast(rand(a)*@precision as unsigned integer)
cast(rand(10)*@precision as unsigned integer) from t1;
rand() cast(rand(10)*@precision as unsigned integer)
- 6570515219
- 1282061302
- 6698761160
- 9647622201
prepare stmt from
"select rand(),
cast(rand(10)*@precision as unsigned integer),
cast(rand(?)*@precision as unsigned integer) from t1";
set @var=1;
execute stmt using @var;
rand() cast(rand(10)*@precision as unsigned integer) cast(rand(?)*@precision as unsigned integer)
- 6570515219 -
- 1282061302 -
- 6698761160 -
- 9647622201 -
prepare stmt from
"select rand(),
cast(rand(10)*@precision as unsigned integer),
cast(rand(a)*@precision as unsigned integer),
cast(rand(?)*@precision as unsigned integer) from t1";
set @var=1;
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)
- 6570515219 - 4054035371
- 1282061302 - 8716141803
- 6698761160 - 1418603212
- 9647622201 - 944590960
set @var=2;
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)
- 6570515219 1559528654 6555866465
- 1282061302 6238114970 1223466192
- 6698761160 6511989195 6449731873
- 9647622201 3845601374 8578261098
rand() cast(rand(10)*@precision as unsigned integer) cast(rand(?)*@precision as unsigned integer)
- 6570515219 6555866465
- 1282061302 1223466192
- 6698761160 6449731873
- 9647622201 8578261098
set @var=3;
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)
- 6570515219 1559528654 9057697559
- 1282061302 6238114970 3730790581
- 6698761160 6511989195 1480860534
- 9647622201 3845601374 6211931236
rand() cast(rand(10)*@precision as unsigned integer) cast(rand(?)*@precision as unsigned integer)
- 6570515219 9057697559
- 1282061302 3730790581
- 6698761160 1480860534
- 9647622201 6211931236
drop table t1;
deallocate prepare stmt;
create database mysqltest1;