MySQL 1219

This error occurs when a query is attempted on the master server while the server is in read-only mode. It indicates that the query cannot be executed and must be re-attempted on a read-write server.

How It Affects Your App

MySQL 1219 ER_QUERY_ON_MASTER has a significant impact on an application. It prevents queries from being executed on the master server, which can lead to data inconsistency and errors in the application. This can cause the application to become unresponsive or crash, resulting in a poor user experience. Additionally, it can lead to data loss or corruption, which can be difficult to recover from.

How To Fix

1. Check the user privileges:SELECT * FROM mysql.user;
2. Check the user privileges for the database in question:SHOW GRANTS FOR 'username'@'localhost';
3. Grant the user the necessary privileges:GRANT ALL PRIVILEGES ON database_name.* TO 'username'@'localhost';
4. Flush the privileges:FLUSH PRIVILEGES;
5. Use an automated database observability tool to monitor and fix the MySQL 1219 in question. Automated database observability tools can help identify and diagnose MySQL 1219 errors quickly and accurately. They can also provide real-time monitoring and alerting of any MySQL 1219 errors, allowing for faster resolution and improved database performance.

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