Here are a few title options, combining engaging questions with the technical focus: * Why Does My PHP Code Cry \'Prepared Statement Needs to be Re-Prepared\'? * MySQL Error: \'Prepare

Dealing with MySQL Error: 'Prepared Statement Needs to Be Re-Prepared'

When integrating PHP-based code with MySQL Stored Procedures, developers may encounter the enigmatic error 'Prepared statement needs to be re-prepared.' This problem arises primarily when deploying the code to a hosting server.

Investigating this issue, one potential cause is a known MySQL bug (#42041). The suggested solution is to increase the value of the table_definition_cache parameter. By optimizing the cache, MySQL can retain more table definitions in memory, reducing the need for constant re-preparation of statements.

Alternatively, MySQL's statement caching mechanisms provide additional options for addressing this issue. By pooling frequently used statements, the database can significantly reduce query execution times and enhance performance.

The above is the detailed content of Here are a few title options, combining engaging questions with the technical focus: * Why Does My PHP Code Cry \'Prepared Statement Needs to be Re-Prepared\'? * MySQL Error: \'Prepare. For more information, please follow other related articles on the PHP Chinese website!