How It Affects Your App
MySQL 1128 ER_FUNCTION_NOT_DEFINED indicates that a function used in the application is not defined in the database. This can cause the application to fail to execute the query, resulting in an error. It can also lead to unexpected results if the query is executed without the function being defined. This can cause data integrity issues and unexpected behavior in the application. It is important to ensure that all functions used in the application are defined in the database.
How To Fix
1. SHOW VARIABLES LIKE '%max_allowed_packet%';This command will show the current value of the max_allowed_packet variable.2. SET GLOBAL max_allowed_packet=1073741824;This command will set the max_allowed_packet variable to 1GB.3. SHOW VARIABLES LIKE '%max_allowed_packet%';This command will show the new value of the max_allowed_packet variable.4. Restart the MySQL server.5. Use an automated database observability tool to monitor and fix the MySQL 1128 in question. Automated database observability tools can help identify and diagnose issues quickly, as well as provide insights into the performance of the database. This can help prevent future issues from occurring and ensure that the database is running optimally.