--source include/have_statement_timeout.inc

--echo # Displaying default value

SELECT COUNT(@@GLOBAL.have_statement_timeout);
--echo 1 Expected

--echo # Check if Value can set

--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@GLOBAL.have_statement_timeout=1;
--echo Expected error 'Read only variable'

SELECT COUNT(@@GLOBAL.have_statement_timeout);
--echo 1 Expected

--echo # Check if the value in GLOBAL Table matches value in variable

--disable_warnings
SELECT @@GLOBAL.have_statement_timeout = VARIABLE_VALUE
FROM performance_schema.global_variables
WHERE VARIABLE_NAME='have_statement_timeout';
--enable_warnings
--echo 1 Expected

SELECT COUNT(@@GLOBAL.have_statement_timeout);
--echo 1 Expected

--disable_warnings
SELECT COUNT(VARIABLE_VALUE)
FROM performance_schema.global_variables
WHERE VARIABLE_NAME='have_statement_timeout';
--enable_warnings
--echo 1 Expected

--echo # Check if accessing variable with and without GLOBAL point to same variable

SELECT @@have_statement_timeout = @@GLOBAL.have_statement_timeout;
--echo 1 Expected

--echo # Check if have_statement_timeout can be accessed with and without @@ sign

SELECT COUNT(@@have_statement_timeout);
--echo 1 Expected

--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT COUNT(@@local.have_statement_timeout);
--echo Expected error 'Variable is a GLOBAL variable'

--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT COUNT(@@SESSION.have_statement_timeout);
--echo Expected error 'Variable is a GLOBAL variable'

SELECT COUNT(@@GLOBAL.have_statement_timeout);
--echo 1 Expected

--error ER_BAD_FIELD_ERROR
SELECT have_statement_timeout = @@SESSION.have_statement_timeout;
--echo Expected error 'Readonly variable'