Why Am I Getting a \"Can\'t find FULLTEXT index matching the column list\" Error with Fulltext Search in MySQL?

Error: "Can't find FULLTEXT index matching the column list" with Fulltext Search

When working with fulltext search, it is crucial to ensure that the appropriate indexes are in place for efficient query execution. This user encountered an error with a fulltext query, with MySQL reporting the inability to locate a matching index.

Troubleshooting the Issue

The user claimed to have successfully added a fulltext index to multiple comments, but upon attempting to search the brand column using the MATCH clause, the error occurred. Examining the table definition revealed a fulltext index covering multiple columns, including brand. However, the error suggests that the index does not align with the columns specified in the query.

Solution

The most likely cause of this issue is a mismatch between the columns specified in the fulltext index and those used in the MATCH clause. MyISAM engine, commonly used for fulltext search, requires an exact match between these columns.

To resolve this issue, execute the following command:

ALTER TABLE products ADD FULLTEXT(brand);

This command will create a new fulltext index for the brand column in the products table. It is important to ensure that the column order in this index matches the order in which the columns are specified in the MATCH clause. In this case, the brand column is the only one being searched, so the index should have brand as the only column.

Once the new index is created, the fulltext query should execute without the error, enabling efficient search results for the brand column.

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