How Can I Pass Parameters to MySQL Query Callbacks in Node.js?

Passing Parameters to MySQL Query Callbacks in Node.js

In Node.js, when utilizing the MySQL library for database operations, you may wish to pass custom parameters to query callbacks to make them available within the callback function.

To achieve this, if you are using the node-mysql module, the preferred method is to use an array to specify both the query parameters and the callback function, as outlined in the official documentation. For example:

connection.query(
    'SELECT * FROM table WHERE>

In this code, the array contains the parameters user_id and start, which are then available within the callback function. Additionally, the array provides proper escaping of parameters, ensuring data security.

For further information and code samples regarding proper escaping techniques, refer to the node-mysql documentation: https://github.com/felixge/node-mysql

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