indexeddb

How to access IndexedDB from storage in webview?

由 跟風遠走 提交于 2019-12-13 03:32:23
问题 I have Designed database in IndexedDB in the website when the page is loaded but I want this DB in my android and IOs client, so I have created javascript function for access IndexedDb and it is worked for the console in the website. Now I want this value in my both of the Android and IOs clients. My Javascript function for getting value in DB var db; var request = indexedDB.open("newDatabase"); request.onerror = function(event) { alert("Why didn't you allow my web app to use IndexedDB?!"); }

How can I simply test if the data for a web app will warn the user before being deleted by the browser?

由 梦想与她 提交于 2019-12-13 02:56:23
问题 This is a follow-up question from How do I make the data of a web app "persistent" as opposed to "best-effort"? I want to avoid the data being cleared when there is not enough space. According to https://developer.mozilla.org/en-US/docs/Web/API/Storage_API: "If a box is marked as "persistent", the contents won't be cleared by the user agent without either the data's origin itself or the user specifically doing so. This includes scenarios such as the user selecting a "Clear Caches" or "Clear

Can local files in IE10 use IndexedDB?

由 强颜欢笑 提交于 2019-12-13 02:16:16
问题 I'm trying to write a web app that can be run locally without internet and stores info on the local filesystem and is run in the browser. My code works in Chrome and Firefox but in IE10 I get the error that window.indexedDB is undefined from the code: window.indexedDB = window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB; alert( window.indexedDB ); This alerts "undefined" when it should be [object IDBFactory] . Is there a way around this or will IE10 never

At which point is an IndexedDB request or transaction sent

由 a 夏天 提交于 2019-12-13 00:55:12
问题 from the examples provided here and here They show creating a request and then attaching the onerror and onsuccess handlers after the request has been made. var transaction = db.transaction(["customers"], "readwrite"); // Do something when all the data is added to the database. transaction.oncomplete = function(event) { alert("All done!"); }; transaction.onerror = function(event) { // Don't forget to handle errors! }; var objectStore = transaction.objectStore("customers"); for (var i in

constraint error on indexeddb database when updating version and nothing else

由 妖精的绣舞 提交于 2019-12-12 09:53:24
问题 I'm having problems with this code when I upgrade the version without any other modification, and I can't understand the reason. function create_registry() { var version = 1; var indexeddb_db = "examples"; // database var indexeddb_table = "examples_table"; // table // open the database var indexeddb_request = indexedDB.open( indexeddb_db, version ); // connect + open database var db = false; // if error indexeddb_request.onerror = function ( event ) { console.log( event.target ); console

Failed to execute 'only' on 'IDBKeyRange': The parameter is not a valid key

由 廉价感情. 提交于 2019-12-12 08:59:16
问题 I am fetching data from indexeddb using where class using jsstore.I got response.But getting "Failed to execute 'only' on 'IDBKeyRange': The parameter is not a valid key. " console error.Why I am getting this error.can anyone pls help me. //Get DBSchema(table & columns) private getDbSchema = function () { const tblArticle = { Name: this._indexedDBLiveDBTableName, Columns: [ { Name: 'ParentName', NotNull: true, DataType: 'string' }, { Name: 'ChildName', NotNull: true, DataType: 'string' } , {

How to get indexedDB to work in IE11?

由 对着背影说爱祢 提交于 2019-12-12 05:17:18
问题 I want to use indexedDB in my IE11, but it seems to be undefined. This is the code: <!DOCTYPE html> <html> <head> <title>Title of the document</title> <script> window.indexedDB = window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB; window.IDBTransaction = window.IDBTransaction || window.webkitIDBTransaction || window.msIDBTransaction; window.IDBKeyRange = window.IDBKeyRange || window.webkitIDBKeyRange || window.msIDBKeyRange if (IDBTransaction) { window

IndexedDB IN clause equivalent

由 戏子无情 提交于 2019-12-12 04:55:05
问题 In WebSQL, I have this code tx.executeSql('select * from TABLE where FIELD IN (? ,? ,?) ;', ['REGULAR', 'FULL' , 'CONTRACTUAL' ]) Is there a similar construct in IndexedDB? I was looking at the IDBKeyRange.bound but just would like to make sure that it will match up. 回答1: You cannot perform the equivalent of field = value1 or field = value2 in indexedDB. Off the top of my head, here is a workaround. Use integer constants to represent the categories of FIELD. For example, 1 for REGULAR, 2 for

Phonegap IndexedDb not commiting data in Windows Phone 10 on larger databases

由 僤鯓⒐⒋嵵緔 提交于 2019-12-12 01:42:31
问题 I have a phonegap app that pulls data from a (CORS) web service and stores it locally in IndexedDB. This all works fine on Android, iOS (using a shimm), and Windows Phone 8.1 but on Windows Phone 10 if the dataset is large it does not complete the transaction, there's 2 specific tables it fails on currently, one with some items of 276 records (total size of json object is 350KB) and one that contains base64 photo data of 16 records (json object size just over 4MB), which isn't that large. The

Indexeddb - Update record by index key

由 女生的网名这么多〃 提交于 2019-12-12 01:03:09
问题 I have an object store with keypath "id" (autoincrement), and a unique index on that store with keypath "myId" that is generated from a server. When I need to update a record, I won't have "id" available, so how can I update the record just by using "myId" considering that the index is unique? I already tried using mystore.put(record), but that gives an error since a record with "myId" already exists. 回答1: Since you've already got a unique key index on your myId property you can retrieve the
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