const con = require('./connect'); function insertDB(barcode, shelving, level) { let sql = `IF EXISTS(SELECT * FROM vn.smartTag WHERE code='${barcode}') THEN UPDATE vn.smartTag SET shelvingFk = '${shelving}', level = ${level} WHERE code='${barcode}'; ELSE INSERT INTO vn.smartTag (code, shelvingFk, level) VALUES ('${barcode}', '${shelving}', ${level}); END IF;`; con.con.query(sql, function(err, result) { }); } exports.insertDB = insertDB;