const pool = require("../../server/db/connect"); const queryString = "SELECT name, types FROM product_categories WHERE status=1"; export default function handler(req, res) { pool.getConnection(function(err, conn) { // Do something with the connection conn.query(queryString , function(err, rows, fields) { res.status(200).json(rows); }); // Don't forget to release the connection when finished! pool.releaseConnection(conn); }) }