Content - 5fa1f940a99e8395d2cda81d11eb177c6d86e2e5 - 3481c93/IndexedDB/idbcursor_update_index.htm

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Tip revision: 4d811782addaeae38d6d6d1c180d0a447dd821f9 authored by Darren Shen on 13 April 2018, 06:23:04 UTC
[css-typed-om] Support remaining misc properties.

Tip revision: 4d81178

idbcursor_update_index.htm

<!DOCTYPE html>
<title>IDBCursor.update() - index - modify a record in the object store </title>
<link rel="author" title="Microsoft" href="http://www.microsoft.com">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support.js"></script>

<script>

    var db,
      count = 0,
      t = async_test(),
      records = [ { pKey: "primaryKey_0", iKey: "indexKey_0" },
                  { pKey: "primaryKey_1", iKey: "indexKey_1" } ];

    var open_rq = createdb(t);
    open_rq.onupgradeneeded = function(e) {
        db = e.target.result;

        var objStore = db.createObjectStore("test", { keyPath: "pKey" });
        objStore.createIndex("index", "iKey");

        for (var i = 0; i < records.length; i++)
            objStore.add(records[i]);

        // XXX: Gecko doesn't like this
        //e.target.transaction.oncomplete = t.step_func(CursorUpdateRecord);
    };

    open_rq.onsuccess = CursorUpdateRecord;


    function CursorUpdateRecord(e) {
        var txn = db.transaction("test", "readwrite"),
          cursor_rq = txn.objectStore("test")
                         .index("index")
                         .openCursor();
        cursor_rq.onsuccess = t.step_func(function(e) {
            var cursor = e.target.result;

            cursor.value.iKey += "_updated";
            cursor.update(cursor.value);
        });

        txn.oncomplete = t.step_func(VerifyRecordWasUpdated);
    }


    function VerifyRecordWasUpdated(e) {
        var cursor_rq = db.transaction("test")
                          .objectStore("test")
                          .openCursor();

        cursor_rq.onsuccess = t.step_func(function(e) {
            var cursor = e.target.result;

            assert_equals(cursor.value.iKey, records[0].iKey + "_updated");
            t.done();
        });
    }

</script>

<div id="log"></div>

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