var getUserBranch = function(email,callback) {


client.execute('SELECT * from branch WHERE email=?', [ email ], function(
        err, data, fields) {
    if (err)

        console.log("error");
    else
        console.log('The solution is in branch: n', data);
    res = data.rows[0];
    return callback(res);
});

}

var getOffers = function (email) {

   var branchObj = require('./file2.js');
   var branchList = branchObj.getUserBranch(email,getList));
   return branchList;
};

var getList = function(res){
  var results=res;
  return results;
}

var getUserBranch = function(email,callback) {
    client.execute('SELECT * from branch WHERE email=?', [ email ], function(err, data, fields) {
        if (err)
            console.log("error");
        else{
            console.log('The solution is in branch: n', data);
            /* This data stack 3  */
            callback(data.rows[0];);
        }
    });
};

var getOffers = function (email, callback) {
    var branchObj = require('./file2.js');
    branchObj.getUserBranch(email, function(data){
        /* This data stack 2  */
        callback(data);
    });
};

function anyFunction(){
    getOffers("xx@xxx.com", function(data){
        /* This data stack 1  */
        console.log(data);
    });
}