Difference between revisions of "User:Abel/experimental.js"
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Line 8: | Line 8: | ||
function addRecord(pddbname, record){ | function addRecord(pddbname, record){ | ||
+ | console.log("pn1"); | ||
var pddb = window.indexedDB.open(pddbname, 3); | var pddb = window.indexedDB.open(pddbname, 3); | ||
Line 16: | Line 17: | ||
pddb.onupgradeneeded = function() { | pddb.onupgradeneeded = function() { | ||
var db = pddb.result; | var db = pddb.result; | ||
− | var store = db.createObjectStore( | + | var store = db.createObjectStore(PersonalDataDataBaseName, {keyPath: "id"}); |
var index = store.createIndex("NameIndex", ["name.last", "name.first"]); | var index = store.createIndex("NameIndex", ["name.last", "name.first"]); | ||
}; | }; | ||
Line 22: | Line 23: | ||
pddb.onsuccess = function() { | pddb.onsuccess = function() { | ||
var db = pddb.result; | var db = pddb.result; | ||
− | var tx = db.transaction( | + | var tx = db.transaction(PersonalDataDataBaseName, "readwrite"); |
− | var store = tx.objectStore( | + | var store = tx.objectStore(PersonalDataDataBaseName); |
var index = store.index("NameIndex"); | var index = store.index("NameIndex"); | ||
Line 42: | Line 43: | ||
function recordUpdate(pddbname, record, field, value){ | function recordUpdate(pddbname, record, field, value){ | ||
− | + | console.log("pn2"); | |
var pddb = window.indexedDB.open(pddbname, 3); | var pddb = window.indexedDB.open(pddbname, 3); | ||
Line 51: | Line 52: | ||
pddb.onupgradeneeded = function() { | pddb.onupgradeneeded = function() { | ||
var db = pddb.result; | var db = pddb.result; | ||
− | var store = db.createObjectStore( | + | var store = db.createObjectStore(PersonalDataDataBaseName, {keyPath: "id"}); |
var index = store.createIndex("NameIndex", ["name.last", "name.first"]); | var index = store.createIndex("NameIndex", ["name.last", "name.first"]); | ||
}; | }; | ||
Line 58: | Line 59: | ||
// Start a new transaction | // Start a new transaction | ||
var db = pddb.result; | var db = pddb.result; | ||
− | var tx = db.transaction( | + | var tx = db.transaction(PersonalDataDataBaseName, "readwrite"); |
− | var store = tx.objectStore( | + | var store = tx.objectStore(PersonalDataDataBaseName); |
var index = store.index("NameIndex"); | var index = store.index("NameIndex"); | ||
Revision as of 23:56, 26 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', '+313555777');
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.first, record.name.last]);
recordcheck.onsuccess = function() {
console.log(recordcheck);
}
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.first, record.name.last]);
getRecord.onsuccess = function() {
console.log("updating");
getRecord.result.field = value; // => "Bob"
store.put(getRecord.result);
getRecordAgain = index.get([record.name.first, record.name.last]);
getRecordAgain.onsuccess = function() {
console.log("hey there" + 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();
};
};
};