Error
Error Code:
3890
MySQL Error 3890: DDL on Secondary Engine Table
Description
MySQL Error 3890 occurs when you attempt to perform a Data Definition Language (DDL) operation, such as ALTER TABLE or DROP TABLE, on a table that has been configured with a secondary storage engine. This restriction is typically in place to ensure data consistency and integrity, or due to limitations inherent in the secondary engine's design and integration with MySQL.
Error Message
DDLs on a table with a secondary engine defined are not allowed.
Known Causes
3 known causesTable Uses Secondary Engine
The table targeted by your DDL operation is explicitly configured to use a secondary storage engine, which inherently restricts direct DDL operations.
Secondary Engine Limitations
The specific secondary storage engine implemented has design or integration limitations that prevent DDL operations from being performed directly on tables it manages.
Incorrect Table Integration
This error can arise if a table was created or integrated with a secondary engine without fully understanding the DDL restrictions imposed by that particular setup.
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