Best way to generate The tagdialog lists for completion?

[Dan Meltzer]

On 2/29/08, Dan Meltzer <parallelgrapefruit at gmail.com> wrote:
> I decided to dig into porting away from collectiondb again.
>
>  I'm working on tagdialog now, and am trying to port the CollectionDB
>  calls to get lists of artists/albums/genre's/composers.
>
>  I'm not sure about the most efficient way to get this data.  I can see
>  two ways of going about it:
>
>  1) get a list of albumpointers, a list of artistpointers, a list of
>  genrepointers, and a list of composerpointers from the collection.
>  Iterate over each list separatly and insert the names.
>
>  2) Use Data Pointers instead.  Use one loop through each set of
>  results, and try to dynamic_cast<> each item to
>  artist,album,genre,composer.  If It casts then insert it in the list
>  of strings for each.
>
>  I know dynamic_cast is slow, but is it slower than multiple loops? Or
>  would solution one be quicker?

Well, a nice quick update:

Apparently you can't set multiple querymodes on the same querymaker.

This seems to suggest that multiple loops would be better..

>
>
>  Dan,
>