我知道我们不能使用带有truncate的where子句。但是我想通过使用truncate来保留其他记录而删除表中的一些记录...
我们可以这样做吗？
答案 0 :(得分：1)
不，TRUNCATE是全有或全无。你可以做
var cacheName = 'Auction-v2'; var filesToCache = [ 'index.html', 'server.js', '/', './app/app.js', './app/listAuctionController.js', './app/auctionDetailController.js', './app/service/auctionDataService.js', './media/frontend/images/auction_logo_white.png', // './media/frontend/', // './media/catalog/', // './view/', './lib/css/materialize.min.css', './lib/css/owl.carousel.min.css', './lib/css/jquery.countdown.css', './lib/css/owl.theme.default.min.css', './lib/css/materialize-icon.css', './lib/js/jquery.min.js', './lib/js/jquery.lazyLoad.js', './lib/js/jquery.maskMoney.js', './lib/js/jquery.countdown.min.js', './lib/js/materialize.min.js', './lib/js/owl.carousel.min.js', './lib/js/angular/angular.min.js', './lib/js/angular/angular-route.min.js', './lib/js/angular/angular-sanitize.min.js', './lib/js/angular/angular-locale_id-id.js', './lib/js/angular/angular-animate.min.js', ]; var dataCacheName = 'Auction-Data-v1'; // SW Install self.addEventListener('install', function(e) { console.log('[ServiceWorker] Install'); e.waitUntil( caches.open(cacheName).then(function(cache) { console.log('[ServiceWorker] Caching app shell'); return cache.addAll(filesToCache); }) ); }); self.addEventListener('fetch', function(e) { // console.log('[Service Worker] Fetch', e.request.url); var dataUrl = '/backendFrame/public/api/v1/'; var dataUrl2 = '/view/'; if (e.request.url.indexOf(dataUrl) > -1 || e.request.url.indexOf(dataUrl2)) { /* * When the request URL contains dataUrl, the app is asking for fresh * weather data. In this case, the service worker always goes to the * network and then caches the response. This is called the "Cache then * network" strategy: * https://jakearchibald.com/2014/offline-cookbook/#cache-then-network */ e.respondWith( caches.open(dataCacheName).then(function(cache) { return fetch(e.request).then(function(response){ // console.log('url to cache =' + e.request.url); cache.put(e.request.url, response.clone()); return response; }); }) ); } else { /* * The app is asking for app shell files. In this scenario the app uses the * "Cache, falling back to the network" offline strategy: * https://jakearchibald.com/2014/offline-cookbook/#cache-falling-back-to-network */ e.respondWith( caches.match(e.request).then(function(response) { return response || fetch(e.request); }) ); } }); // SW Activate self.addEventListener('activate', function(e) { console.log('[ServiceWorker] Activate'); e.waitUntil( caches.keys().then(function(keyList) { return Promise.all(keyList.map(function(key) { if (key !== cacheName && key !== dataCacheName) { console.log('[ServiceWorker] Removing old cache', key); return caches.delete(key); } })); }) ); return self.clients.claim(); });，但这会失去TRUNCATE的速度优势。
This线程是一个很好的阅读：）