Add integer primary key columns to db.

Author: jaredhanson

db.js

@@ -9,6 +9,7 @@ var db = new sqlite3.Database('var/db/todos.db');
 db.serialize(function() {
   // create the database schema for the todos app
   db.run("CREATE TABLE IF NOT EXISTS users ( \
+    id INTEGER PRIMARY KEY, \
     username TEXT UNIQUE, \
     hashed_password BLOB, \
     salt BLOB, \
@@ -18,13 +19,15 @@ db.serialize(function() {
   )");
 
   db.run("CREATE TABLE IF NOT EXISTS federated_credentials ( \
+    id INTEGER PRIMARY KEY, \
     user_id INTEGER NOT NULL, \
     provider TEXT NOT NULL, \
     subject TEXT NOT NULL, \
     PRIMARY KEY (provider, subject) \
   )");
 
   db.run("CREATE TABLE IF NOT EXISTS todos ( \
+    id INTEGER PRIMARY KEY, \
     owner_id INTEGER NOT NULL, \
     title TEXT NOT NULL, \
     completed INTEGER \

routes/index.js

@@ -2,7 +2,7 @@ var express = require('express');
 var db = require('../db');
 
 function fetchTodos(req, res, next) {
-  db.all('SELECT rowid AS id, * FROM todos WHERE owner_id = ?', [
+  db.all('SELECT * FROM todos WHERE owner_id = ?', [
     req.user.id
   ], function(err, rows) {
     if (err) { return next(err); }
@@ -67,15 +67,15 @@ router.post('/:id(\\d+)', function(req, res, next) {
   next();
 }, function(req, res, next) {
   if (req.body.title !== '') { return next(); }
-  db.run('DELETE FROM todos WHERE rowid = ? AND owner_id = ?', [
+  db.run('DELETE FROM todos WHERE id = ? AND owner_id = ?', [
     req.params.id,
     req.user.id
   ], function(err) {
     if (err) { return next(err); }
     return res.redirect('/' + (req.body.filter || ''));
   });
 }, function(req, res, next) {
-  db.run('UPDATE todos SET title = ?, completed = ? WHERE rowid = ? AND owner_id = ?', [
+  db.run('UPDATE todos SET title = ?, completed = ? WHERE id = ? AND owner_id = ?', [
     req.body.title,
     req.body.completed !== undefined ? 1 : null,
     req.params.id,
@@ -87,7 +87,7 @@ router.post('/:id(\\d+)', function(req, res, next) {
 });
 
 router.post('/:id(\\d+)/delete', function(req, res, next) {
-  db.run('DELETE FROM todos WHERE rowid = ? AND owner_id = ?', [
+  db.run('DELETE FROM todos WHERE id = ? AND owner_id = ?', [
     req.params.id,
     req.user.id
   ], function(err) {