Error
Error Code:
1355
MariaDB Error 1355: View Update Lacks Key Definition
Description
This error occurs when you attempt to modify (UPDATE, DELETE) data through a database view that does not contain a complete key (primary key or unique key) of its underlying base table. Without a full key, MariaDB cannot reliably identify which specific row(s) in the base table correspond to the row(s) being modified in the view, preventing the operation to maintain data integrity.
Error Message
View being updated does not have complete key of underlying table in it
Known Causes
3 known causesView Omits Key Columns
The 'CREATE VIEW' statement did not include all columns that form the primary key or a unique key of the underlying base table.
View Contains Non-Updatable Constructs
The view definition uses complex constructs such as DISTINCT, GROUP BY, aggregate functions, UNION, or JOINs that inherently prevent direct updates through the view.
Base Table Lacks Unique Key
The underlying table does not have a primary key or any unique key defined, which is essential for a view to reliably identify rows for updates.
Solutions
Coming SoonDetailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:
General Troubleshooting Tips
- Check the error message carefully for specific details
- Review recent changes that might have caused the error
- Search for the exact error code in the official documentation
- Check log files for additional context
- Try restarting the application or service