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--source include/not_embedded.inc
SET @start_global_value = @@global.relay_log_recovery;
SELECT @start_global_value;
#
# exists as global only
#
select @@global.relay_log_recovery;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
select @@session.relay_log_recovery;
show global variables like 'relay_log_recovery';
show session variables like 'relay_log_recovery';
select * from information_schema.global_variables where variable_name='relay_log_recovery';
select * from information_schema.session_variables where variable_name='relay_log_recovery';
#
# show that it's writable
#
set global relay_log_recovery=1;
select @@global.relay_log_recovery;
set global relay_log_recovery=OFF;
select @@global.relay_log_recovery;
--error ER_GLOBAL_VARIABLE
set session relay_log_recovery=1;
#
# incorrect types
#
--error ER_WRONG_TYPE_FOR_VAR
set global relay_log_recovery=1.1;
--error ER_WRONG_TYPE_FOR_VAR
set global relay_log_recovery=1e1;
--error ER_WRONG_VALUE_FOR_VAR
set global relay_log_recovery="foo";
SET @@global.relay_log_recovery = @start_global_value;
SELECT @@global.relay_log_recovery;
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