Description:
Set current database to performance_schema, and select a not-exist table for update, the error message is:
ERROR 1142 (42000): SELECT with locking clause command denied to user 'root'@'localhost' for table 'not_exist_table'
which should be,
ERROR 1146 (42S02): Table 'performance_schema.not_exist_table' doesn't exist
If set current database to information_schema, then do the same selects, the error message is different.
How to repeat:
$ sudo mysql -uroot test
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 10
Server version: 8.0.18-0ubuntu0.19.10.1 (Ubuntu)
Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> select * from not_exist_table;
ERROR 1146 (42S02): Table 'test.not_exist_table' doesn't exist
mysql> select * from not_exist_table for update;
ERROR 1146 (42S02): Table 'test.not_exist_table' doesn't exist
mysql> use performance_schema;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Database changed
mysql>
mysql> select * from not_exist_table;
ERROR 1146 (42S02): Table 'performance_schema.not_exist_table' doesn't exist. ===> EXPECTED
mysql> select * from not_exist_table for update;
ERROR 1142 (42000): SELECT with locking clause command denied to user 'root'@'localhost' for table 'not_exist_table' ===> NOT EXPECTED
mysql> use information_schema;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Database changed
mysql> select * from not_exist_table;
ERROR 1109 (42S02): Unknown table 'NOT_EXIST_TABLE' in information_schema. ===> EXPECTED?
mysql> select * from not_exist_table for update;
ERROR 1109 (42S02): Unknown table 'NOT_EXIST_TABLE' in information_schema. ===> EXPECTED?
Suggested fix:
1. Fix the error message as sth. like
ERROR 1146 (42S02): Table 'performance_schema.not_exist_table' doesn't exist.
2. Make sure the error messages are consistent whether current database is performance_schema or not.
