privilege: fix privilege problem after upgrade

[imtbkcat]

What problem does this PR solve?

There are several privilege problem will occur after upgrade.

• original user with all privilege will not be all after upgrade.
• some user will add new privilege

What is changed and how it works?

for new privilege, add them reference to MySQL.
for new column which is 'N' originally, set them to 'Y' for user with all privilege.

Check List

Tests

• Manual test (add detailed scripts or steps below)
  create user t1 (in v3.0.4)
  grant all on *.* to t1 (in v3.0.4)
  upgrade to master
  show grants for t1

Code changes

• Has persistent data change

Side effects

• Increased code complexity

Related changes

• Need to cherry-pick to the release branch

Release note

[imtbkcat]

/run-all-tests

[lysu]

LGTM

[imtbkcat]

/run-all-tests

[imtbkcat]

manual tested by this way:

use v2.1.18 version:

mysql> create user t1;
Query OK, 1 row affected (0.00 sec)

mysql> grant all on *.* to t1;
Query OK, 0 rows affected (0.00 sec)

mysql> select * from mysql.user where user='t1'\G;
*************************** 1. row ***************************
                 Host: %
                 User: t1
             Password:
          Select_priv: Y
          Insert_priv: Y
          Update_priv: Y
          Delete_priv: Y
          Create_priv: Y
            Drop_priv: Y
         Process_priv: Y
           Grant_priv: Y
      References_priv: Y
           Alter_priv: Y
         Show_db_priv: Y
           Super_priv: Y
Create_tmp_table_priv: N
     Lock_tables_priv: N
         Execute_priv: Y
     Create_view_priv: N
       Show_view_priv: N
  Create_routine_priv: N
   Alter_routine_priv: N
           Index_priv: Y
     Create_user_priv: Y
           Event_priv: N
         Trigger_priv: Y
1 row in set (0.01 sec)

after upgrade to latest version:

mysql> show grants for t1;
+-----------------------------------------------------------+
| Grants for t1@%                                           |
+-----------------------------------------------------------+
| GRANT ALL PRIVILEGES ON *.* TO 't1'@'%' WITH GRANT OPTION |
+-----------------------------------------------------------+
1 row in set (0.00 sec)

mysql> select * from mysql.user where user='t1'\G;
*************************** 1. row ***************************
                 Host: %
                 User: t1
             Password:
          Select_priv: Y
          Insert_priv: Y
          Update_priv: Y
          Delete_priv: Y
          Create_priv: Y
            Drop_priv: Y
         Process_priv: Y
           Grant_priv: Y
      References_priv: Y
           Alter_priv: Y
         Show_db_priv: Y
           Super_priv: Y
Create_tmp_table_priv: Y
     Lock_tables_priv: Y
         Execute_priv: Y
     Create_view_priv: Y
       Show_view_priv: Y
  Create_routine_priv: Y
   Alter_routine_priv: Y
           Index_priv: Y
     Create_user_priv: Y
           Event_priv: Y
         Trigger_priv: Y
     Create_role_priv: Y
       Drop_role_priv: Y
       Account_locked: N
        Shutdown_priv: Y
1 row in set (0.00 sec)

[tiancaiamao]

LGTM

[sre-bot]

/run-all-tests

[sre-bot]

cherry pick to release-3.0 failed