Error
Error Code:
1791
MariaDB Error 1791: Unknown EXPLAIN Format Specified
Description
This error indicates that the `FORMAT` option provided with an `EXPLAIN` statement is not a recognized or supported format by the MariaDB server. It typically occurs when attempting to view query execution plans using an incorrect or misspelled format name for your specific MariaDB version.
Error Message
Unknown EXPLAIN format name: '%s'
Known Causes
3 known causesIncorrect Format Name
The most common cause is a typo or misspelling in the `FORMAT` option provided to the `EXPLAIN` statement.
Unsupported MariaDB Version
The specified `EXPLAIN` format might be valid in a different database system or a newer/older MariaDB version than the one currently in use.
MySQL-Specific Format
Although MariaDB is a fork of MySQL, some `EXPLAIN` formats might be specific to MySQL and not supported in MariaDB.
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