Error
Error Code:
1622
MySQL Error 1622: Storage Engine Rollback Failure
Description
This error occurs when a MySQL storage engine, such as MyISAM, encounters a transaction rollback request for an operation it does not support. It typically arises when attempting transactional DDL or other operations on a non-transactional table type. The current transaction is automatically rolled back and cannot proceed as intended.
Error Message
Storage engine %s does not support rollback for this statement. Transaction rolled back and must be restarted
Known Causes
3 known causesUsing Non-Transactional Engine
Attempting transactional operations (like ROLLBACK) on tables created with storage engines that do not support ACID properties, such as MyISAM.
DDL in Transaction
Executing Data Definition Language (DDL) statements (e.g., ALTER TABLE, DROP TABLE) within an explicit transaction block, which some engines might not fully support for rollback.
Engine-Specific Limitations
Certain storage engines have inherent design limitations regarding transaction control and rollback capabilities for specific statement types.
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