after-merge fixes for test cases

mysql-test/suite/sys_vars/r/sysvars_wsrep.result

@@ -22,7 +22,7 @@ GLOBAL_VALUE_ORIGIN	COMPILE-TIME
 DEFAULT_VALUE	OFF
 VARIABLE_SCOPE	SESSION
 VARIABLE_TYPE	BOOLEAN
-VARIABLE_COMMENT	(DEPRECATED) Setting this variable is equivalent to setting wsrep_sync_wait READ flag
+VARIABLE_COMMENT	Setting this variable is equivalent to setting wsrep_sync_wait READ flag
 NUMERIC_MIN_VALUE	NULL
 NUMERIC_MAX_VALUE	NULL
 NUMERIC_BLOCK_SIZE	NULL
@@ -87,9 +87,9 @@ READ_ONLY	NO
 COMMAND_LINE_ARGUMENT	OPTIONAL
 VARIABLE_NAME	WSREP_DATA_HOME_DIR
 SESSION_VALUE	NULL
-GLOBAL_VALUE	
+GLOBAL_VALUE	DATADIR
 GLOBAL_VALUE_ORIGIN	COMPILE-TIME
-DEFAULT_VALUE	
+DEFAULT_VALUE	DATADIR
 VARIABLE_SCOPE	GLOBAL
 VARIABLE_TYPE	VARCHAR
 VARIABLE_COMMENT	home directory for wsrep provider

mysql-test/suite/sys_vars/r/wsrep_causal_reads_basic.result

@@ -14,22 +14,32 @@ SELECT @@session.wsrep_causal_reads;
 
 # scope and valid values
 SET @@global.wsrep_causal_reads=OFF;
+Warnings:
+Warning	1287	'@@wsrep_causal_reads' is deprecated and will be removed in a future release. Please use '@@wsrep_sync_wait=1' instead
 SELECT @@global.wsrep_causal_reads;
 @@global.wsrep_causal_reads
 0
 SET @@global.wsrep_causal_reads=ON;
+Warnings:
+Warning	1287	'@@wsrep_causal_reads' is deprecated and will be removed in a future release. Please use '@@wsrep_sync_wait=1' instead
 SELECT @@global.wsrep_causal_reads;
 @@global.wsrep_causal_reads
 1
 SET @@session.wsrep_causal_reads=OFF;
+Warnings:
+Warning	1287	'@@wsrep_causal_reads' is deprecated and will be removed in a future release. Please use '@@wsrep_sync_wait=1' instead
 SELECT @@session.wsrep_causal_reads;
 @@session.wsrep_causal_reads
 0
 SET @@session.wsrep_causal_reads=ON;
+Warnings:
+Warning	1287	'@@wsrep_causal_reads' is deprecated and will be removed in a future release. Please use '@@wsrep_sync_wait=1' instead
 SELECT @@session.wsrep_causal_reads;
 @@session.wsrep_causal_reads
 1
 SET @@session.wsrep_causal_reads=default;
+Warnings:
+Warning	1287	'@@wsrep_causal_reads' is deprecated and will be removed in a future release. Please use '@@wsrep_sync_wait=1' instead
 SELECT @@session.wsrep_causal_reads;
 @@session.wsrep_causal_reads
 1
@@ -46,5 +56,9 @@ ERROR 42000: Variable 'wsrep_causal_reads' can't be set to the value of 'junk'
 
 # restore the initial values
 SET @@global.wsrep_causal_reads = @wsrep_causal_reads_global_saved;
+Warnings:
+Warning	1287	'@@wsrep_causal_reads' is deprecated and will be removed in a future release. Please use '@@wsrep_sync_wait=1' instead
 SET @@session.wsrep_causal_reads = @wsrep_causal_reads_session_saved;
+Warnings:
+Warning	1287	'@@wsrep_causal_reads' is deprecated and will be removed in a future release. Please use '@@wsrep_sync_wait=1' instead
 # End of test

mysql-test/suite/sys_vars/r/wsrep_data_home_dir_basic.result

@@ -4,45 +4,21 @@
 # default
 SELECT @@global.wsrep_data_home_dir;
 @@global.wsrep_data_home_dir
-
+DATADIR
 
 # scope
 SELECT @@session.wsrep_data_home_dir;
 ERROR HY000: Variable 'wsrep_data_home_dir' is a GLOBAL variable
-SET @@global.wsrep_data_home_dir='/tmp/data';
-ERROR HY000: Variable 'wsrep_data_home_dir' is a read only variable
-SELECT @@global.wsrep_data_home_dir;
-@@global.wsrep_data_home_dir
-
 
 # valid values
 SET @@global.wsrep_data_home_dir='/tmp/data';
 ERROR HY000: Variable 'wsrep_data_home_dir' is a read only variable
 SELECT @@global.wsrep_data_home_dir;
 @@global.wsrep_data_home_dir
-
-SET @@global.wsrep_data_home_dir=junk-dir;
-ERROR HY000: Variable 'wsrep_data_home_dir' is a read only variable
-SELECT @@global.wsrep_data_home_dir;
-@@global.wsrep_data_home_dir
-
-SET @@global.wsrep_data_home_dir=junk/dir;
-ERROR HY000: Variable 'wsrep_data_home_dir' is a read only variable
-SELECT @@global.wsrep_data_home_dir;
-@@global.wsrep_data_home_dir
-
-SET @@global.wsrep_data_home_dir=OFF;
-ERROR HY000: Variable 'wsrep_data_home_dir' is a read only variable
-SELECT @@global.wsrep_data_home_dir;
-@@global.wsrep_data_home_dir
-
+DATADIR
 SET @@global.wsrep_data_home_dir=default;
 ERROR HY000: Variable 'wsrep_data_home_dir' is a read only variable
 SELECT @@global.wsrep_data_home_dir;
 @@global.wsrep_data_home_dir
-
-
-# invalid values
-SET @@global.wsrep_data_home_dir=NULL;
-ERROR HY000: Variable 'wsrep_data_home_dir' is a read only variable
+DATADIR
 # End of test

mysql-test/suite/sys_vars/t/sysvars_wsrep.test

 --source include/have_wsrep.inc
 --source include/word_size.inc
+--let $datadir = `SELECT @@datadir`
 
+--replace_result $datadir DATADIR
 --vertical_results
 select * from information_schema.system_variables
   where variable_name like 'wsrep%'

mysql-test/suite/sys_vars/t/wsrep_data_home_dir_basic.test

 --source include/have_wsrep.inc
+--let $datadir = `SELECT @@datadir`
 
 --echo #
 --echo # wsrep_data_home_dir (readonly)
 --echo #
 
 --echo # default
+--replace_result $datadir DATADIR
 SELECT @@global.wsrep_data_home_dir;
 
 --echo
 --echo # scope
 --error ER_INCORRECT_GLOBAL_LOCAL_VAR
 SELECT @@session.wsrep_data_home_dir;
---error ER_INCORRECT_GLOBAL_LOCAL_VAR
-SET @@global.wsrep_data_home_dir='/tmp/data';
-SELECT @@global.wsrep_data_home_dir;
 
 --echo
 --echo # valid values
 --error ER_INCORRECT_GLOBAL_LOCAL_VAR
 SET @@global.wsrep_data_home_dir='/tmp/data';
-SELECT @@global.wsrep_data_home_dir;
---error ER_INCORRECT_GLOBAL_LOCAL_VAR
-SET @@global.wsrep_data_home_dir=junk-dir;
-SELECT @@global.wsrep_data_home_dir;
---error ER_INCORRECT_GLOBAL_LOCAL_VAR
-SET @@global.wsrep_data_home_dir=junk/dir;
-SELECT @@global.wsrep_data_home_dir;
---error ER_INCORRECT_GLOBAL_LOCAL_VAR
-SET @@global.wsrep_data_home_dir=OFF;
+--replace_result $datadir DATADIR
 SELECT @@global.wsrep_data_home_dir;
 --error ER_INCORRECT_GLOBAL_LOCAL_VAR
 SET @@global.wsrep_data_home_dir=default;
+--replace_result $datadir DATADIR
 SELECT @@global.wsrep_data_home_dir;
 
---echo
---echo # invalid values
---error ER_INCORRECT_GLOBAL_LOCAL_VAR
-SET @@global.wsrep_data_home_dir=NULL;
-
 --echo # End of test

sql/sys_vars.cc

@@ -984,10 +984,8 @@ static bool check_master_connection(sys_var *self, THD *thd, set_var *var)
   tmp.str= var->save_result.string_value.str;
   tmp.length= var->save_result.string_value.length;
   if (!tmp.str || check_master_connection_name(&tmp))
-  {
-    my_error(ER_WRONG_ARGUMENTS, MYF(0), var->var->name.str);
     return true;
-  }
+
   return false;
 }