Error
Error Code:
3999
MySQL Error 3999: Hypergraph Optimizer Feature Not Supported
Description
This error signifies that the MySQL hypergraph optimizer, an advanced query optimization engine, encountered a SQL construct that it does not currently support. It typically occurs when executing complex queries or utilizing specific SQL features that are beyond the optimizer's current capabilities.
Error Message
The hypergraph optimizer does not yet support '%s'
Known Causes
3 known causesUnsupported SQL Construct
The query contains a specific SQL feature, function, or syntax that the current version of the hypergraph optimizer has not been programmed to handle.
Complex Query Structure
Extremely complex or deeply nested queries, especially those involving many joins, subqueries, or advanced set operations, can sometimes exceed the current scope of the hypergraph optimizer's support.
Optimizer Limitations
The hypergraph optimizer is an evolving component. Certain advanced optimization techniques or specific query patterns might still be under development or not fully implemented in your MySQL version.
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