fix MDEV-16026 MDEV-16481 embedded server results and rests

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

@@ -3279,7 +3279,7 @@ VARIABLE_COMMENT	Default value for the FOR SYSTEM_TIME AS OF clause
 NUMERIC_MIN_VALUE	NULL
 NUMERIC_MAX_VALUE	NULL
 NUMERIC_BLOCK_SIZE	NULL
-ENUM_VALUE_LIST	DEFAULT
+ENUM_VALUE_LIST	NULL
 READ_ONLY	NO
 COMMAND_LINE_ARGUMENT	NULL
 VARIABLE_NAME	TABLE_DEFINITION_CACHE

mysql-test/suite/versioning/r/sysvars-notembedded.result

+create table t (a int) with system versioning;
+set @before= UNIX_TIMESTAMP(now(6));
+insert into t values (1);
+set @after= UNIX_TIMESTAMP(now(6));
+update t set a= 2;
+set global system_versioning_asof= FROM_UNIXTIME(@after);
+set system_versioning_asof= FROM_UNIXTIME(@after);
+select * from t as nonempty;
+a
+1
+connect  subcon,127.0.0.1,root,,,$SERVER_MYPORT_1;
+connection subcon;
+select * from t as nonempty;
+a
+1
+disconnect subcon;
+connection default;
+set global system_versioning_asof= FROM_UNIXTIME(@before);
+select * from t as nonempty;
+a
+1
+connect  subcon,127.0.0.1,root,,,$SERVER_MYPORT_1;
+connection subcon;
+select * from t as empty;
+a
+disconnect subcon;
+connection default;
+drop table t;
+set global system_versioning_asof= DEFAULT;
+set system_versioning_asof= DEFAULT;

mysql-test/suite/versioning/r/sysvars.result

@@ -190,27 +190,6 @@ set system_versioning_asof= FROM_UNIXTIME(@after);
 select * from t as nonempty;
 a
 1
-set global system_versioning_asof= FROM_UNIXTIME(@after);
-select * from t as nonempty;
-a
-1
-connect  subcon,127.0.0.1,root,,,$SERVER_MYPORT_1;
-connection subcon;
-select * from t as nonempty;
-a
-1
-disconnect subcon;
-connection default;
-set global system_versioning_asof= FROM_UNIXTIME(@before);
-select * from t as nonempty;
-a
-1
-connect  subcon,127.0.0.1,root,,,$SERVER_MYPORT_1;
-connection subcon;
-select * from t as empty;
-a
-disconnect subcon;
-connection default;
 # MDEV-16481: set global system_versioning_asof=sf() crashes in specific case
 # Using global variable inside a stored function should not crash
 create or replace function now_global() returns timestamp

mysql-test/suite/versioning/t/sysvars-notembedded.test

+source include/not_embedded.inc;
+
+create table t (a int) with system versioning;
+set @before= UNIX_TIMESTAMP(now(6));
+insert into t values (1);
+set @after= UNIX_TIMESTAMP(now(6));
+update t set a= 2;
+
+set global system_versioning_asof= FROM_UNIXTIME(@after);
+set system_versioning_asof= FROM_UNIXTIME(@after);
+select * from t as nonempty;
+
+--connect (subcon,127.0.0.1,root,,,$SERVER_MYPORT_1)
+--connection subcon
+select * from t as nonempty;
+--disconnect subcon
+--connection default
+
+set global system_versioning_asof= FROM_UNIXTIME(@before);
+select * from t as nonempty;
+
+--connect (subcon,127.0.0.1,root,,,$SERVER_MYPORT_1)
+--connection subcon
+select * from t as empty;
+--disconnect subcon
+--connection default
+
+drop table t;
+
+set global system_versioning_asof= DEFAULT;
+set system_versioning_asof= DEFAULT;

mysql-test/suite/versioning/t/sysvars.test

@@ -137,24 +137,6 @@ select * from t as empty;
 set system_versioning_asof= FROM_UNIXTIME(@after);
 select * from t as nonempty;
 
-set global system_versioning_asof= FROM_UNIXTIME(@after);
-select * from t as nonempty;
-
---connect (subcon,127.0.0.1,root,,,$SERVER_MYPORT_1)
---connection subcon
-select * from t as nonempty;
---disconnect subcon
---connection default
-
-set global system_versioning_asof= FROM_UNIXTIME(@before);
-select * from t as nonempty;
-
---connect (subcon,127.0.0.1,root,,,$SERVER_MYPORT_1)
---connection subcon
-select * from t as empty;
---disconnect subcon
---connection default
-
 --echo # MDEV-16481: set global system_versioning_asof=sf() crashes in specific case
 --echo # Using global variable inside a stored function should not crash
 create or replace function now_global() returns timestamp