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# # 2011-08-01 Added # --source include/have_innodb.inc SET @start_global_value = @@global.innodb_api_trx_level; SELECT @start_global_value; # # exists as global only # --echo Valid values are zero or above SELECT @@global.innodb_api_trx_level >=0; SELECT @@global.innodb_api_trx_level <=3; SELECT @@global.innodb_api_trx_level; --error ER_INCORRECT_GLOBAL_LOCAL_VAR SELECT @@session.innodb_api_trx_level; SHOW global variables LIKE 'innodb_api_trx_level'; SHOW session variables LIKE 'innodb_api_trx_level'; --disable_warnings SELECT * FROM information_schema.global_variables WHERE variable_name='innodb_api_trx_level'; SELECT * FROM information_schema.session_variables WHERE variable_name='innodb_api_trx_level'; --enable_warnings # # show that it's writable # SET global innodb_api_trx_level=100; SELECT @@global.innodb_api_trx_level; --disable_warnings SELECT * FROM information_schema.global_variables WHERE variable_name='innodb_api_trx_level'; SELECT * FROM information_schema.session_variables WHERE variable_name='innodb_api_trx_level'; --enable_warnings --error ER_GLOBAL_VARIABLE SET session innodb_api_trx_level=1; # # incorrect types # --error ER_WRONG_TYPE_FOR_VAR SET global innodb_api_trx_level=1.1; --error ER_WRONG_TYPE_FOR_VAR SET global innodb_api_trx_level=1e1; --error ER_WRONG_TYPE_FOR_VAR SET global innodb_api_trx_level="foo"; SET global innodb_api_trx_level=-7; SELECT @@global.innodb_api_trx_level; --disable_warnings SELECT * FROM information_schema.global_variables WHERE variable_name='innodb_api_trx_level'; --enable_warnings # # cleanup # SET @@global.innodb_api_trx_level = @start_global_value; SELECT @@global.innodb_api_trx_level;