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Re: IDBObjectStore require openKeyCursor method

From: Joshua Bell <jsbell@chromium.org>
Date: Tue, 13 Nov 2012 09:06:26 -0800
Message-ID: <CAD649j7pmtnN1bRXChTJw_WOJNLW_p3FnjtOo66i3vf4g_d7Wg@mail.gmail.com>
To: Kyaw Tun <kyawtun@yathit.com>
Cc: public-webapps@w3.org
On Mon, Nov 12, 2012 at 6:22 AM, Kyaw Tun <kyawtun@yathit.com> wrote:

> In contrast to IDBIndex, IDBObjectStore does not have openKeyCursor
> method. This method fetch list of keys of a given range without cost
> of serialization. There is no other ways to iterate keys only from
> IDBObjectStore. However efficient fetching of keys in a specific range is
> required in high performance web app.


+1 to adding IDBObjectStore.openKeyCursor in a future version of the IDB
spec. The Chromium implementation ends up with an internal version of this
for performance reasons as well.

Filed https://www.w3.org/Bugs/Public/show_bug.cgi?id=19955 and RESOLVED
LATER
Received on Tuesday, 13 November 2012 17:07:09 GMT

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