ormify.js

var db = require('./db'),
    util = require('util'),
    max = 2;

var ormify = function (o, base) {
    if (!o) return {};
    var r = {};
    var traverse = function (t, arr) {
        if (arr.length == 1) return;
        var s = arr[0];
        if (arr.length == 2) {
            t[s] = arr[1];
        } else if (arr.length == 3) {
            var f = arr[1], v = arr[2];
            if (!t[s]) t[s] = {};
            t[s][f] = v;
        } else {
            arr.splice(0, 1);
            traverse(t[s], arr);
        }
    };
    Object.keys(o).forEach(function (k) {
        var arr = k.split('|');
        arr.push(o[k]);
        traverse(r, arr);
    });
    var arr = base ? base.split('|') : [];
    arr.forEach(function (a) {
        if (r[a]) r = r[a];
    });
    return r;
};
var mock1 = function () {
    var q = '';
    for (var i = 0; i <= max; i++) {
        q += "SELECT * FROM (SELECT 1) t\r\n";
        for (var j = 0; j <= 2; j++) {
            var level = util.format('l%s', j);
            q += util.format("INNER JOIN (SELECT '%s_%s' AS '%s|id', 'name_%s_%s' AS '%s|name') l%s ON 1=1\r\n", i, j, level, i, j, level, j);
        }
        if (i < max) q += 'UNION ALL\r\n';
    }
    /*console.log(q);*/
    return db.raw(q).map(function (r) {
        return ormify(r, 'l0');
    }).then(function (r) {
        console.log('----- mock1 -----\r\n\r\n' + util.inspect(r, false, null) + '\r\n\r\n----- mock1 -----\r\n');
    });
};
var mock2 = function () {
    var q = '';
    for (var i = 0; i <= max; i++) {
        q += "SELECT * FROM (SELECT 1) t\r\n";
        for (var j = 0; j <= 2; j++) {
            var level = '';
            for (var x = 0; x <= j; x++) {
                level += util.format('l%s', x);
                if (x < j) level += '|';
            }
            q += util.format("INNER JOIN (SELECT '%s_%s' AS '%s|id', 'name_%s_%s' AS '%s|name') l%s ON 1=1\r\n", i, j, level, i, j, level, j);
        }
        if (i < max) q += 'UNION ALL\r\n';
    }
    /*console.log(q);*/
    return db.raw(q).map(function (r) {
        return ormify(r, 'l0');
    }).then(function (r) {
        console.log('----- mock2 -----\r\n\r\n' + util.inspect(r, false, null) + '\r\n\r\n----- mock2 -----\r\n');
    });
};
mock1();
mock2();