Error
Error Code:
1793
MySQL Error 1793: Partition Comment Too Long
Description
This error occurs when you attempt to define or modify a table partition with a comment string that exceeds the maximum permissible length allowed by MySQL. MySQL has a strict character limit for partition comments, and exceeding this limit during `CREATE TABLE` or `ALTER TABLE` statements will result in Error 1793.
Error Message
Comment for table partition '%s' is too long (max = %lu)
Known Causes
3 known causesExceeding Max Comment Length
The most common cause is providing a comment string for a table partition that is longer than the maximum number of characters MySQL permits for such comments.
Misinterpreting Comment Purpose
Users may attempt to store extensive documentation or complex metadata within a partition comment, not realizing it's intended for brief, descriptive text with a strict length constraint.
Automated Comment Generation Issues
If comments are programmatically generated by scripts, ORM tools, or migration frameworks, the generated string length might not be validated against MySQL's limits, leading to an oversized comment.
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