branches/innodb+: update test case innodb_change_buffering_basic.

The valid values of innodb_change_buffering are 'inserts', 'deletes',
'changes', 'purges', 'all', and 'none', with default value 'all'.

mysql-test/patches/innodb_change_buffering_basic.diff

+--- mysql-test\suite\sys_vars\t\innodb_change_buffering_basic.test.orig	Mon Mar 15 16:15:22 2010
++++ mysql-test\suite\sys_vars\t\innodb_change_buffering_basic.test	Fri Mar 19 01:19:09 2010
+@@ -11,8 +11,8 @@
+ #
+ # exists as global only
+ #
+---echo Valid values are 'inserts' and 'none' 
+-select @@global.innodb_change_buffering in ('inserts', 'none');
++--echo Valid values are 'inserts', 'deletes', 'changes', 'purges', 'all', and 'none' 
++select @@global.innodb_change_buffering in ('inserts', 'deletes', 'changes', 'purges', 'all', 'none');
+ select @@global.innodb_change_buffering;
+ --error ER_INCORRECT_GLOBAL_LOCAL_VAR
+ select @@session.innodb_change_buffering;
+
+--- mysql-test\suite\sys_vars\r\innodb_change_buffering_basic.result.orig	Mon Mar 15 16:15:22 2010
++++ mysql-test\suite\sys_vars\r\innodb_change_buffering_basic.result	Fri Mar 19 01:23:58 2010
+@@ -1,28 +1,28 @@
+ SET @start_global_value = @@global.innodb_change_buffering;
+ SELECT @start_global_value;
+ @start_global_value
+-inserts
+-Valid values are 'inserts' and 'none' 
+-select @@global.innodb_change_buffering in ('inserts', 'none');
+-@@global.innodb_change_buffering in ('inserts', 'none')
++all
++Valid values are 'inserts', 'deletes', 'changes', 'purges', 'all', and 'none' 
++select @@global.innodb_change_buffering in ('inserts', 'deletes', 'changes', 'purges', 'all', 'none');
++@@global.innodb_change_buffering in ('inserts', 'deletes', 'changes', 'purges', 'all', 'none')
+ 1
+ select @@global.innodb_change_buffering;
+ @@global.innodb_change_buffering
+-inserts
++all
+ select @@session.innodb_change_buffering;
+ ERROR HY000: Variable 'innodb_change_buffering' is a GLOBAL variable
+ show global variables like 'innodb_change_buffering';
+ Variable_name	Value
+-innodb_change_buffering	inserts
++innodb_change_buffering	all
+ show session variables like 'innodb_change_buffering';
+ Variable_name	Value
+-innodb_change_buffering	inserts
++innodb_change_buffering	all
+ select * from information_schema.global_variables where variable_name='innodb_change_buffering';
+ VARIABLE_NAME	VARIABLE_VALUE
+-INNODB_CHANGE_BUFFERING	inserts
++INNODB_CHANGE_BUFFERING	all
+ select * from information_schema.session_variables where variable_name='innodb_change_buffering';
+ VARIABLE_NAME	VARIABLE_VALUE
+-INNODB_CHANGE_BUFFERING	inserts
++INNODB_CHANGE_BUFFERING	all
+ set global innodb_change_buffering='none';
+ select @@global.innodb_change_buffering;
+ @@global.innodb_change_buffering
+@@ -60,4 +60,4 @@
+ SET @@global.innodb_change_buffering = @start_global_value;
+ SELECT @@global.innodb_change_buffering;
+ @@global.innodb_change_buffering
+-inserts
++all