Error
Error Code:
1791
MySQL Error 1791: Invalid EXPLAIN Format Specified
Description
This error indicates that the `EXPLAIN` statement was executed with an unrecognized or unsupported `FORMAT` option. It typically occurs when a user specifies a format name that does not exist or is misspelled for the current MySQL server version.
Error Message
Unknown EXPLAIN format name: '%s'
Known Causes
3 known causesTypo in Format Name
The most common cause is a simple misspelling of a valid `EXPLAIN` format name, such as 'JSON' or 'TRADITIONAL'.
Unsupported Format Version
The specified `EXPLAIN` format might not be supported by the specific MySQL server version being used.
Non-existent Format Name
The format name provided in the `EXPLAIN` statement does not correspond to any valid `EXPLAIN` output format.
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