app/dbutils/search.js
var cl = require('./client.js');
module.exports = function selectarticle(val, cb) {
var sqlQuery = `SELECT id,title,img,text,category
FROM article where category='${val}'`;
var selectuse = cl.client.query(sqlQuery, function(err, result) {
if (err) {
cb(err, '[ext:do');
}
cb(err, result.rows);
});
}