Error
Error Code:
1797
MySQL Error 1797: Invalid FULLTEXT Column Type
Description
This error indicates that you are attempting to create or modify an InnoDB FULLTEXT index on a column that has an unsupported data type. InnoDB FULLTEXT indexes are specifically designed for string-based columns such as CHAR, VARCHAR, or TEXT, and will fail if applied to numeric, binary, or other incompatible types.
Error Message
Column '%s' is of wrong type for an InnoDB FULLTEXT index
Known Causes
4 known causesIncorrect Column Data Type
Attempting to create a FULLTEXT index on a column defined with a data type other than CHAR, VARCHAR, or TEXT.
Misconfigured CREATE TABLE Statement
A CREATE TABLE statement includes a FULLTEXT index definition on a column that is not a compatible string type.
Invalid ALTER TABLE Operation
An ALTER TABLE statement attempts to add a FULLTEXT index to an existing column whose data type is incompatible.
Schema Design Flaw
The database schema was designed without considering the data type requirements for InnoDB FULLTEXT indexing.
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