Created
September 13, 2015 19:32
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Repro WebKit IndexedDB unique index bug
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| <body> | |
| <h1> Repro WebKit IndexedDB unique index bug </h1> | |
| <p>If you see the text <strong>There is a bug</strong>, then there's a bug.</p> | |
| <div id="logger"></div> | |
| <script> | |
| var dbname = 'rando_' + Math.random() + '_'; | |
| function log(msg) { | |
| document.getElementById("logger").innerHTML += msg + "<br>"; | |
| } | |
| var req = indexedDB.open(dbname + "1"); | |
| req.onupgradeneeded = function (e) { | |
| var db = e.target.result; | |
| if (e.oldVersion === 1) { | |
| return; | |
| } | |
| db.createObjectStore('store', {autoIncrement: true}).createIndex('key', 'key', {unique: true}); | |
| }; | |
| req.onsuccess = function (e) { | |
| var db = e.target.result; | |
| var txn = db.transaction('store', 'readwrite'); | |
| txn.objectStore('store').put({key: 'a'}) | |
| txn.oncomplete = function () { | |
| var txn = db.transaction('store', 'readwrite'); | |
| var putReq = txn.objectStore('store').put({key: 'a'}); | |
| putReq.onsuccess = function () { | |
| log('We managed to put() the same key twice!') | |
| log('<strong>There is a bug</strong>') | |
| }; | |
| putReq.onerror = function (e) { | |
| log('Got a ConstraintError when we tried to put() the same key twice'); | |
| e.preventDefault(); // avoid transaction abort | |
| e.stopPropagation(); // avoid transaction onerror | |
| }; | |
| txn.oncomplete = function () { | |
| var txn = db.transaction('store', 'readonly'); | |
| var keys = []; | |
| var primaryKeys = []; | |
| txn.objectStore('store').index('key').openKeyCursor().onsuccess = function (e) { | |
| var cursor = e.target.result; | |
| if (!cursor) { | |
| return; | |
| } | |
| keys.push(cursor.key); | |
| primaryKeys.push(cursor.primaryKey); | |
| cursor.continue(); | |
| }; | |
| txn.oncomplete = function () { | |
| log('') | |
| log('Found keys: ' + keys.join(', ')); | |
| log('Found primaryKeys: ' + primaryKeys.join(', ')); | |
| }; | |
| }; | |
| }; | |
| }; | |
| </script> | |
| </body> | |
| </html> |
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