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# Check if register/unregister deoends on privileges and root.
# Save the initial number of concurrent sessions
--source include/count_sessions.inc
# Create users and assign privileges to them.
--enable_connect_log
CREATE USER test@localhost;
CREATE USER test_2@localhost;
GRANT CREATE,INSERT,DELETE,DROP,SELECT ON test.* TO test@localhost;
GRANT CREATE,INSERT,DELETE,DROP,SELECT ON test.* TO test_2@localhost;
# Register UDF as root: Must work.
INSTALL COMPONENT "file://component_udf_reg_avg_func";
# Shows the component name.
SELECT component_urn from mysql.component;
# Open session as normal user. Privileges see above.
connect(c1,localhost,test,,);
# No right to access performance_schema.
--error ER_TABLEACCESS_DENIED_ERROR
SELECT * FROM performance_schema.user_defined_functions
WHERE (udf_name LIKE 'myfunc%') or (udf_name LIKE 'avgcost%')
ORDER BY udf_name;
# Check UDFs can be executed by normal user with right privileges..
create table t1(sum int, price float(24));
insert into t1 values(100, 50.00), (100, 100.00);
select avgcost(sum, price) from t1;
delete from t1;
insert into t1 values(100, 54.33), (200, 199.99);
select avgcost(sum, price) from t1;
drop table t1;
# Not allowed actions.
--error ER_TABLEACCESS_DENIED_ERROR
SELECT component_urn from mysql.component;
--error ER_TABLEACCESS_DENIED_ERROR
UNINSTALL COMPONENT "file://component_udf_reg_avg_func";
# Give access to mysql.component to normal user.
connection default;
GRANT CREATE,INSERT,DELETE,DROP,SELECT ON mysql.component TO test@localhost;
# Now, components can be shown and components can be unloaded..
connection c1;
SELECT component_urn from mysql.component;
UNINSTALL COMPONENT "file://component_udf_reg_avg_func";
# Register another UDF by normal user with right privileges.
connection default;
disconnect c1;
INSTALL COMPONENT "file://component_udf_reg_int_func";
# Try to see UDF_USAGE_COUNT with a count>1. As it is increased only for a short time,
# It will be mostly 1.
connect(c2,localhost,test_2,,);
send SELECT myfunc_int(23);
connect(c1,localhost,test,,);
send SELECT myfunc_int(23);
# Check of UDF_USAGE_COUNT.
connection default;
SELECT udf_name,udf_return_type,udf_type,udf_library,udf_usage_count>0
FROM performance_schema.user_defined_functions
WHERE (udf_name LIKE 'myfunc%') or (udf_name LIKE 'avgcost%')
ORDER BY udf_name;
# execution of sent commands.
connection c1;
reap;
connection c2;
reap;
#Clean up.
connection default;
UNINSTALL COMPONENT "file://component_udf_reg_int_func";
disconnect c1;
disconnect c2;
DROP USER test@localhost;
DROP USER test_2@localhost;
--disable_connect_log
# Wait till all disconnects are completed
--source include/wait_until_count_sessions.inc
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