Re: IDBObjectStore/IDBIndex.exists(key)

I think this sounds like a fine idea.

-Ben Turner


On Sat, Jun 21, 2014 at 5:39 PM, Jonas Sicking <jonas@sicking.cc> wrote:

> Hi all,
>
> I found an old email with notes about features that we might want to put
> in v2.
>
> Almost all of them was recently brought up in the recent threads about
> IDBv2. However there was one thing on the list that I haven't seen brought
> up.
>
> It might be a nice perf improvement to add support for a
> IDBObjectStore/IDBIndex.exists(key) function.
>
> This would require less IO and less object creation than simply using
> .get(). It is probably particularly useful when doing a filtering join
> operation between two indexes/object stores. But it is probably useful
> other times too.
>
> Is this something that others think would be useful?
>
> / Jonas
>