Error
Error Code:
1224
MySQL Error 1224: Mixed Table Type Operations
Description
This error occurs when an operation, typically within a transaction, attempts to interact with both transactional (e.g., InnoDB) and non-transactional (e.g., MyISAM) tables. MySQL disables such mixing to prevent potential data inconsistency issues and ensure the integrity of transactional operations cannot be compromised by non-transactional components.
Error Message
Mixing of transactional and non-transactional tables is disabled
Known Causes
3 known causesPerforming Operations on Mixed Tables
An SQL statement or transaction attempts to modify or read data from both transactional (like InnoDB) and non-transactional (like MyISAM) tables simultaneously within the same context.
Inconsistent Storage Engine Usage
A database or schema contains tables created with different storage engines, leading to accidental mixing when application queries span across them.
Implicit Transaction Behavior
Applications might implicitly start transactions, or `autocommit` settings could interact unexpectedly when queries involve tables of differing 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