don't create a new object but use the binding's objects directly instead

lib/sqlite3.js

-/*
-Copyright (c) 2009, Eric Fredricksen <e@fredricksen.net>
-Copyright (c) 2010, Orlando Vazquez <ovazquez@gmail.com>
-
-Permission to use, copy, modify, and/or distribute this software for any
-purpose with or without fee is hereby granted, provided that the above
-copyright notice and this permission notice appear in all copies.
-
-THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-*/
-
+// Copyright (c) 2009, Eric Fredricksen <e@fredricksen.net>
+// Copyright (c) 2010, Orlando Vazquez <ovazquez@gmail.com>
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+var sqlite3 = module.exports = exports = require('./sqlite3_bindings');
 var sys = require("sys");
-var sqlite = require("./sqlite3_bindings");
-
-var Database = exports.Database = function () {
-  var self = this;
-
-  var db = new sqlite.Database();
-  db.__proto__ = Database.prototype;
-
-  return db;
-};
-
-Database.prototype = {
-  __proto__: sqlite.Database.prototype,
-  constructor: Database,
-};
 
-Database.prototype.query = function(sql, bindings, rowCallback) {
+sqlite3.Database.prototype.query = function(sql, bindings, rowCallback) {
   var self = this;
 
   if (typeof(bindings) == "function") {
@@ -84,7 +68,7 @@ function _doStep(db, statement, rowCallback) {
 
 // Execute a single SQL query with the given optional parameters. Calls
 // `callback` with all rows or an error on query completion.
-Database.prototype.execute = function (sql /* , bindings, callback */) {
+sqlite3.Database.prototype.execute = function (sql /* , bindings, callback */) {
   var self = this;
   var bindings, callback;
   var n = arguments.length;
@@ -136,7 +120,7 @@ Database.prototype.execute = function (sql /* , bindings, callback */) {
 
 // Execute SQL statements separated by semi-colons.
 // SQL must contain no placeholders. Results are discarded.
-Database.prototype.executeScript = function (script, callback) {
+sqlite3.Database.prototype.executeScript = function (script, callback) {
   var self = this;
 
   (function stepOverSQL(sql) {
@@ -170,7 +154,7 @@ Database.prototype.executeScript = function (script, callback) {
   })(script);
 }
 
-Database.prototype.insertMany = function (table, columns, rows, callback) {
+sqlite3.Database.prototype.insertMany = function (table, columns, rows, callback) {
   var columnsFragment = columns.join(",");
   var placeholdersFragment = [];
   var i = columns.length;
@@ -226,7 +210,7 @@ Database.prototype.insertMany = function (table, columns, rows, callback) {
 }
 
 
-exports.fromErrorCode = function(code) {
+sqlite3.fromErrorCode = function(code) {
   switch (code) {
     case 0: return "SQLITE_OK";
     case 1: return "SQLITE_ERROR";
@@ -258,7 +242,7 @@ exports.fromErrorCode = function(code) {
   }
 };
 
-exports.sanitizeError = function(err, data) {
+sqlite3.sanitizeError = function(err, data) {
   err.message = exports.fromErrorCode(err.errno) + ', ' + err.message +
                 ' in query "' + err.query +
                 '" with values ' + JSON.stringify(data, false, 4);