--source include/not_embedded.inc SET @start_global_value = @@session.transaction_allow_batching; SELECT @start_global_value as "Should be off by default"; # # exists as session only # --error ER_INCORRECT_GLOBAL_LOCAL_VAR select @@global.transaction_allow_batching; select @@session.transaction_allow_batching; show global variables like 'transaction_allow_batching'; show session variables like 'transaction_allow_batching'; select * from information_schema.global_variables where variable_name='transaction_allow_batching'; select * from information_schema.session_variables where variable_name='transaction_allow_batching'; # # show that it is writable # --error ER_LOCAL_VARIABLE set global transaction_allow_batching = 1; set session transaction_allow_batching = TRUE; select @@session.transaction_allow_batching; # # incorrect assignments # --error ER_WRONG_TYPE_FOR_VAR set transaction_allow_batching=1.1; --error ER_WRONG_TYPE_FOR_VAR set transaction_allow_batching=1e1; --error ER_WRONG_VALUE_FOR_VAR set transaction_allow_batching="foobar"; # # restore original value # set session transaction_allow_batching = @start_global_value; select @@session.transaction_allow_batching; # # See ndb_sql_transaction_allow_batching.test for a comprehensive test case. #