mariadb/mysql-test/suite/sys_vars/t/rand_seed1_basic.test
Oleksandr Byelkin a21ef88d2a MDEV-6954: SET STATEMENT rand_seedX = ...FOR ... makes the next rand() to return 0
The variables now return real values. They can't be made usual variables because they do not have DEFAULT value.
2015-03-14 08:41:43 +01:00

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#
# exists as a session only
#
# 2010-01-20 OBN - Added check for I_S value after variable value change
#
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
select @@global.rand_seed1;
--error ER_NO_DEFAULT
set session rand_seed1=default;
set session rand_seed1=10969771;
select @@session.rand_seed1;
show global variables like 'rand_seed1';
show session variables like 'rand_seed1';
select * from information_schema.global_variables where variable_name='rand_seed1';
select * from information_schema.session_variables where variable_name='rand_seed1';
#
# show that it's writable (note value can be set but not read - returned value is zero)
#
set session rand_seed1=1;
select @@session.rand_seed1;
select * from information_schema.global_variables where variable_name='rand_seed1';
select * from information_schema.session_variables where variable_name='rand_seed1';
--error ER_LOCAL_VARIABLE
set global rand_seed1=1;
#
# incorrect types
#
--error ER_WRONG_TYPE_FOR_VAR
set session rand_seed1=1.1;
--error ER_WRONG_TYPE_FOR_VAR
set session rand_seed1=1e1;
--error ER_WRONG_TYPE_FOR_VAR
set session rand_seed1="foo";