Re: [IndexedDB] Key paths need to be specified better

On Fri, Jun 8, 2012 at 10:42 AM, Odin Hørthe Omdal <odinho@opera.com> wrote:

> Kyle Huey <me@kylehuey.com> skreiv Fri, 08 Jun 2012 19:22:54 +0200
>
>
>  In particular the spec states that key paths are DOMStrings, and then
>> goes on to state how Array key paths are handled.  Whatever changes are
>> made need to preserve the note about key paths not nesting just after 4.7.1.
>>
>
> Definately seconded. We've had some misunderstandings because of this. You
> can give an array of keyPaths both consumers, but IDBObjectStoreParameters
> is totally lying straight to our face by saying "DOMString?".
> IDBObjectStore.createIndex IDL is "any keyPath", which is correct. It may
> even be clearer to write (DOMString? keyPath or DOMString[] keyPath) or do
> an overload. You'd have to ask someone who knows WebIDL better :-)
>

I believe the correct type is "(DOMString or DOMString[])?".  That is, a
nullable union of DOMString or an array of DOMStrings.

- Kyle