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sys_vars.expensive_subquery_limit_basic

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Sergei Golubchik 2012-09-05 13:15:05 +02:00
parent 6af914f8b9
commit 24b9d7e43f
3 changed files with 90 additions and 1 deletions
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1
mysql-test/suite/sys_vars/r/all_vars.result
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@ -10,6 +10,5 @@ there should be *no* long test name listed below:
select distinct variable_name as `there should be *no* variables listed below:` from t2
left join t1 on variable_name=test_name where test_name is null;
there should be *no* variables listed below:
expensive_subquery_limit
drop table t1;
drop table t2;

52
mysql-test/suite/sys_vars/r/expensive_subquery_limit_basic.result Normal file
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@ -0,0 +1,52 @@
SET @start_global_value = @@global.expensive_subquery_limit;
SELECT @start_global_value;
@start_global_value
100
select @@global.expensive_subquery_limit;
@@global.expensive_subquery_limit
100
select @@session.expensive_subquery_limit;
@@session.expensive_subquery_limit
100
show global variables like 'expensive_subquery_limit';
Variable_name Value
expensive_subquery_limit 100
show session variables like 'expensive_subquery_limit';
Variable_name Value
expensive_subquery_limit 100
select * from information_schema.global_variables where variable_name='expensive_subquery_limit';
VARIABLE_NAME VARIABLE_VALUE
EXPENSIVE_SUBQUERY_LIMIT 100
select * from information_schema.session_variables where variable_name='expensive_subquery_limit';
VARIABLE_NAME VARIABLE_VALUE
EXPENSIVE_SUBQUERY_LIMIT 100
set global expensive_subquery_limit=10;
set session expensive_subquery_limit=20;
select @@global.expensive_subquery_limit;
@@global.expensive_subquery_limit
10
select @@session.expensive_subquery_limit;
@@session.expensive_subquery_limit
20
show global variables like 'expensive_subquery_limit';
Variable_name Value
expensive_subquery_limit 10
show session variables like 'expensive_subquery_limit';
Variable_name Value
expensive_subquery_limit 20
select * from information_schema.global_variables where variable_name='expensive_subquery_limit';
VARIABLE_NAME VARIABLE_VALUE
EXPENSIVE_SUBQUERY_LIMIT 10
select * from information_schema.session_variables where variable_name='expensive_subquery_limit';
VARIABLE_NAME VARIABLE_VALUE
EXPENSIVE_SUBQUERY_LIMIT 20
set global expensive_subquery_limit=1.1;
ERROR 42000: Incorrect argument type to variable 'expensive_subquery_limit'
set global expensive_subquery_limit=1e1;
ERROR 42000: Incorrect argument type to variable 'expensive_subquery_limit'
set global expensive_subquery_limit="foo";
ERROR 42000: Incorrect argument type to variable 'expensive_subquery_limit'
SET @@global.expensive_subquery_limit = @start_global_value;
SELECT @@global.expensive_subquery_limit;
@@global.expensive_subquery_limit
100

38
mysql-test/suite/sys_vars/t/expensive_subquery_limit_basic.test Normal file
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@ -0,0 +1,38 @@
SET @start_global_value = @@global.expensive_subquery_limit;
SELECT @start_global_value;
#
# exists as global and session
#
select @@global.expensive_subquery_limit;
select @@session.expensive_subquery_limit;
show global variables like 'expensive_subquery_limit';
show session variables like 'expensive_subquery_limit';
select * from information_schema.global_variables where variable_name='expensive_subquery_limit';
select * from information_schema.session_variables where variable_name='expensive_subquery_limit';
#
# show that it's writable
#
set global expensive_subquery_limit=10;
set session expensive_subquery_limit=20;
select @@global.expensive_subquery_limit;
select @@session.expensive_subquery_limit;
show global variables like 'expensive_subquery_limit';
show session variables like 'expensive_subquery_limit';
select * from information_schema.global_variables where variable_name='expensive_subquery_limit';
select * from information_schema.session_variables where variable_name='expensive_subquery_limit';
#
# incorrect types
#
--error ER_WRONG_TYPE_FOR_VAR
set global expensive_subquery_limit=1.1;
--error ER_WRONG_TYPE_FOR_VAR
set global expensive_subquery_limit=1e1;
--error ER_WRONG_TYPE_FOR_VAR
set global expensive_subquery_limit="foo";
SET @@global.expensive_subquery_limit = @start_global_value;
SELECT @@global.expensive_subquery_limit;