When I kill a query or connection, whoever is running it gets a boring message about what happens. Wouldn’t it be fun and useful to be able to specify the error message the user should see? Imagine the possibilities:
mysql> KILL 10282, "Sorry, no cigar today. Try again tomorrow."
Joking aside, relevant error messages would be great for all involved.
Further Reading:
- An exciting week for InnoDB and MySQL
- MySQL’s ERROR 1025 explained
- The unexpected consequences of SELinux
- How to notify event listeners in MySQL
- Killing idle transactions to increase database uptime
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