Difference between revisions of "User:Abel/experimental.js"
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Line 5: | Line 5: | ||
addRecord(PersonalDataDataBaseName, Pete); | addRecord(PersonalDataDataBaseName, Pete); | ||
− | recordUpdate(PersonalDataDataBaseName, Pete, 'phone', '+ | + | recordUpdate(PersonalDataDataBaseName, Pete, 'phone', '+313851777'); |
function addRecord(pddbname, record){ | function addRecord(pddbname, record){ | ||
Line 74: | Line 74: | ||
getRecordAgain.onsuccess = function() { | getRecordAgain.onsuccess = function() { | ||
console.log(getRecordAgain); // => "Bob" | console.log(getRecordAgain); // => "Bob" | ||
− | if ( getRecordAgain.result | + | if ( getRecordAgain.result[field] == value ) { |
console.log("update succeeded"); | console.log("update succeeded"); | ||
} else { | } else { |
Revision as of 00:18, 27 April 2019
console.log("~");
var PersonalDataDataBaseName = "PDIO2";
var Pete = {id: 11345, name: {first: "Pete", last: "Rock"}, age: 52};
addRecord(PersonalDataDataBaseName, Pete);
recordUpdate(PersonalDataDataBaseName, Pete, 'phone', '+313851777');
function addRecord(pddbname, record){
console.log("pn1");
var pddb = window.indexedDB.open(pddbname, 3);
pddb.addEventListener('error', (event) => {
console.log('Request error:', pddb.error);
}, false);
pddb.onupgradeneeded = function() {
var db = pddb.result;
var store = db.createObjectStore(PersonalDataDataBaseName, {keyPath: "id"});
var index = store.createIndex("NameIndex", ["name.last", "name.first"]);
};
pddb.onsuccess = function() {
var db = pddb.result;
var tx = db.transaction(PersonalDataDataBaseName, "readwrite");
var store = tx.objectStore(PersonalDataDataBaseName);
var index = store.index("NameIndex");
store.put(record);
console.log("Mark 1: " + record.name.first);
console.log("Mark 1: " + record.name.last);
var recordcheck = index.get([record.name.last, record.name.first]);
recordcheck.onsuccess = function() {
console.log(recordcheck);
console.log("Mark 1.1: " + recordcheck.result.phone);
}
tx.oncomplete = function() {
db.close();
};
};
};
function recordUpdate(pddbname, record, field, value){
console.log("pn2");
var pddb = window.indexedDB.open(pddbname, 3);
pddb.addEventListener('error', (event) => {
console.log('Request error:', pddb.error);
}, false);
pddb.onupgradeneeded = function() {
var db = pddb.result;
var store = db.createObjectStore(PersonalDataDataBaseName, {keyPath: "id"});
var index = store.createIndex("NameIndex", ["name.last", "name.first"]);
};
pddb.onsuccess = function() {
// Start a new transaction
var db = pddb.result;
var tx = db.transaction(PersonalDataDataBaseName, "readwrite");
var store = tx.objectStore(PersonalDataDataBaseName);
var index = store.index("NameIndex");
var getRecord = index.get([record.name.last, record.name.first]);
getRecord.onsuccess = function() {
console.log("updating");
getRecord.result[field] = value; // => "Bob"
store.put(getRecord.result);
getRecordAgain = index.get([record.name.last, record.name.first]);
getRecordAgain.onsuccess = function() {
console.log(getRecordAgain); // => "Bob"
if ( getRecordAgain.result[field] == value ) {
console.log("update succeeded");
} else {
console.log("update unsuccessful");
}
};
};
// Close the db when the transaction is done
tx.oncomplete = function() {
db.close();
};
};
};