placeholder for create role and drop role in mysql.user

src/observer/virtual_table/ob_mysql_user_table.cpp

@@ -148,6 +148,8 @@ int ObMySQLUserTable::inner_get_next_row(common::ObNewRow *&row)
                   NO_EXIST_PRIV_CASE(EVENT);
                   NO_EXIST_PRIV_CASE(TRIGGER);
                   EXIST_PRIV_CASE(CREATE_TABLESPACE);
+                  NO_EXIST_PRIV_CASE(CREATE_ROLE);
+                  NO_EXIST_PRIV_CASE(DROP_ROLE);
                   COLUMN_SET_WITH_TYPE(SSL_TYPE, varchar, ssl_type_str);
                   COLUMN_SET_WITH_TYPE(SSL_CIPHER, varchar, user_info->get_ssl_cipher());
                   COLUMN_SET_WITH_TYPE(X509_ISSUER, varchar, user_info->get_x509_issuer());

src/observer/virtual_table/ob_mysql_user_table.h

@@ -73,6 +73,8 @@ private:
     ACCOUNT_LOCKED,
     DROP_DATABASE_LINK_PRIV,
     CREATE_DATABASE_LINK_PRIV,
+    CREATE_ROLE_PRIV,
+    DROP_ROLE_PRIV,
   };
 public:
   ObMySQLUserTable();

src/share/inner_table/ob_inner_table_schema.12001_12050.cpp

@@ -1026,6 +1026,36 @@ int ObInnerTableSchema::user_schema(ObTableSchema &table_schema)
       false, //is_nullable
       false); //is_autoincrement
   }
+
+  if (OB_SUCC(ret)) {
+    ADD_COLUMN_SCHEMA("create_role_priv", //column_name
+      ++column_id, //column_id
+      0, //rowkey_id
+      0, //index_id
+      0, //part_key_pos
+      ObVarcharType, //column_type
+      CS_TYPE_INVALID, //column_collation_type
+      1, //column_length
+      -1, //column_precision
+      -1, //column_scale
+      false, //is_nullable
+      false); //is_autoincrement
+  }
+
+  if (OB_SUCC(ret)) {
+    ADD_COLUMN_SCHEMA("drop_role_priv", //column_name
+      ++column_id, //column_id
+      0, //rowkey_id
+      0, //index_id
+      0, //part_key_pos
+      ObVarcharType, //column_type
+      CS_TYPE_INVALID, //column_collation_type
+      1, //column_length
+      -1, //column_precision
+      -1, //column_scale
+      false, //is_nullable
+      false); //is_autoincrement
+  }
   table_schema.set_index_using_type(USING_HASH);
   table_schema.set_row_store_type(ENCODING_ROW_STORE);
   table_schema.set_store_format(OB_STORE_FORMAT_DYNAMIC_MYSQL);

src/share/inner_table/ob_inner_table_schema_def.py

@@ -10097,6 +10097,8 @@ def_table_schema(
   ('account_locked', 'varchar:1'),
   ('drop_database_link_priv', 'varchar:1'),
   ('create_database_link_priv', 'varchar:1'),
+  ('create_role_priv', 'varchar:1'),
+  ('drop_role_priv', 'varchar:1'),
   ],
 )
 

tools/deploy/mysql_test/test_suite/inner_table/r/mysql/desc_virtual_table_in_mysql.result

@@ -1547,6 +1547,8 @@ password_expired	varchar(1)	NO		NULL
 account_locked	varchar(1)	NO		NULL	
 drop_database_link_priv	varchar(1)	NO		NULL	
 create_database_link_priv	varchar(1)	NO		NULL	
+create_role_priv	varchar(1)	NO		NULL	
+drop_role_priv	varchar(1)	NO		NULL	
 select /*+QUERY_TIMEOUT(60000000)*/ IF(count(*) >= 0, 1, 0) from mysql.user;
 IF(count(*) >= 0, 1, 0)
 1

tools/deploy/mysql_test/test_suite/inner_table/r/mysql/desc_virtual_table_in_sys.result

@@ -2044,6 +2044,8 @@ password_expired	varchar(1)	NO		NULL
 account_locked	varchar(1)	NO		NULL	
 drop_database_link_priv	varchar(1)	NO		NULL	
 create_database_link_priv	varchar(1)	NO		NULL	
+create_role_priv	varchar(1)	NO		NULL	
+drop_role_priv	varchar(1)	NO		NULL	
 select /*+QUERY_TIMEOUT(60000000)*/ IF(count(*) >= 0, 1, 0) from mysql.user;
 IF(count(*) >= 0, 1, 0)
 1