more wild_compare tests

mysql-test/r/grant2.result

 SET NAMES binary;
 drop database if exists mysqltest;
+drop database if exists mysqltest_1;
 delete from mysql.user where user like 'mysqltest\_%';
 delete from mysql.db where user like 'mysqltest\_%';
 delete from mysql.tables_priv where user like 'mysqltest\_%';
@@ -9,9 +10,6 @@ grant all privileges on `my\_%`.* to mysqltest_1@localhost with grant option;
 select current_user();
 current_user()
 mysqltest_1@localhost
-select current_user;
-current_user
-mysqltest_1@localhost
 grant all privileges on `my\_1`.* to mysqltest_2@localhost with grant option;
 grant all privileges on `my_%`.* to mysqltest_3@localhost with grant option;
 ERROR 42000: Access denied for user 'mysqltest_1'@'localhost' to database 'my_%'
@@ -28,6 +26,25 @@ ERROR 42000: There is no such grant defined for user 'mysqltest_3' on host 'loca
 delete from mysql.user where user like 'mysqltest\_%';
 delete from mysql.db where user like 'mysqltest\_%';
 flush privileges;
+create database mysqltest_1;
+grant all privileges on `mysqltest\_1`.* to mysqltest_1@localhost with grant option;
+select current_user();
+current_user()
+mysqltest_1@localhost
+show databases;
+Database
+mysqltest_1
+test
+grant all privileges on `mysqltest_1`.* to mysqltest_1@localhost with grant option;
+ERROR 42000: Access denied for user 'mysqltest_1'@'localhost' to database 'mysqltest_1'
+show grants for mysqltest_1@localhost;
+Grants for mysqltest_1@localhost
+GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost'
+GRANT ALL PRIVILEGES ON `mysqltest\_1`.* TO 'mysqltest_1'@'localhost' WITH GRANT OPTION
+delete from mysql.user where user like 'mysqltest\_%';
+delete from mysql.db where user like 'mysqltest\_%';
+drop database mysqltest_1;
+flush privileges;
 create database mysqltest;
 grant INSERT, SELECT on mysqltest.* to mysqltest_1@localhost;
 flush privileges;

mysql-test/t/grant2.test

@@ -9,6 +9,7 @@ SET NAMES binary;
 # prepare playground before tests
 --disable_warnings
 drop database if exists mysqltest;
+drop database if exists mysqltest_1;
 --enable_warnings
 delete from mysql.user where user like 'mysqltest\_%';
 delete from mysql.db where user like 'mysqltest\_%';
@@ -25,7 +26,6 @@ grant all privileges on `my\_%`.* to mysqltest_1@localhost with grant option;
 connect (user1,localhost,mysqltest_1,,);
 connection user1;
 select current_user();
-select current_user;
 grant all privileges on `my\_1`.* to mysqltest_2@localhost with grant option;
 --error 1044
 grant all privileges on `my_%`.* to mysqltest_3@localhost with grant option;
@@ -39,6 +39,24 @@ delete from mysql.user where user like 'mysqltest\_%';
 delete from mysql.db where user like 'mysqltest\_%';
 flush privileges;
 
+#
+# wild_compare part two - acl_cache
+#
+create database mysqltest_1;
+grant all privileges on `mysqltest\_1`.* to mysqltest_1@localhost with grant option;
+connect (user2,localhost,mysqltest_1,,);
+connection user2;
+select current_user();
+show databases;
+--error 1044
+grant all privileges on `mysqltest_1`.* to mysqltest_1@localhost with grant option;
+disconnect user2;
+connection default;
+show grants for mysqltest_1@localhost;
+delete from mysql.user where user like 'mysqltest\_%';
+delete from mysql.db where user like 'mysqltest\_%';
+drop database mysqltest_1;
+flush privileges;
 
 #
 # Bug #6173: One can circumvent missing UPDATE privilege if he has SELECT