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################## mysql-test/t/innodb_undo_tablespaces_basic.test ############ # # # Variable Name: innodb_undo_tablespaces # # Scope: Global # # Access Type: Static # # Data Type: string # # # # # # Creation Date: 2011-07-05 # # Author : Sunny Bains # # # # # # Description: Read-only config global variable innodb_undo_tablespaces # # * Value check # # * Scope check # # # ############################################################################### --source include/have_innodb.inc SELECT @@GLOBAL.innodb_undo_tablespaces >= 0; let $undo_tablespaces=`SELECT @@GLOBAL.innodb_undo_tablespaces`; #################################################################### # Check if value can be set # #################################################################### --error ER_INCORRECT_GLOBAL_LOCAL_VAR SET @@GLOBAL.innodb_undo_tablespaces=128; --echo Expected error 'Read only variable' SELECT COUNT(@@GLOBAL.innodb_undo_tablespaces); --echo 1 Expected ################################################################################ # Check if the value in GLOBAL table matches value in variable # ################################################################################ --disable_warnings --disable_query_log eval SELECT VARIABLE_VALUE-$undo_tablespaces DIFFERENCE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='innodb_undo_tablespaces'; --enable_query_log --enable_warnings --echo 0 Expected ################################################################################ # Check if accessing variable with and without GLOBAL point to same variable # ################################################################################ SELECT @@innodb_undo_tablespaces = @@GLOBAL.innodb_undo_tablespaces; --echo 1 Expected ################################################################################ # Check if innodb_undo_tablespaces can be accessed with and without @@ sign # ################################################################################ SELECT COUNT(@@innodb_undo_tablespaces); --echo 1 Expected --Error ER_INCORRECT_GLOBAL_LOCAL_VAR SELECT COUNT(@@local.innodb_undo_tablespaces); --echo Expected error 'Variable is a GLOBAL variable' --Error ER_INCORRECT_GLOBAL_LOCAL_VAR SELECT COUNT(@@SESSION.innodb_undo_tablespaces); --echo Expected error 'Variable is a GLOBAL variable' SELECT COUNT(@@GLOBAL.innodb_undo_tablespaces); --echo 1 Expected --Error ER_BAD_FIELD_ERROR SELECT innodb_undo_tablespaces = @@SESSION.innodb_undo_tablespaces; --echo Expected error 'Readonly variable'