The Places API has its own forum, here:
http://code.google.com/apis/maps/documentation/places/forum.html

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Marcelo - http://maps.forum.nu
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On Nov 3, 4:47 pm, Mapper <[email protected]> wrote:
> I am working on a project where I want to store "places" of the users and
> find people who did go to the same "place". I do not need to store any
> other info than the Place ID in my local database. I send the users to
> google maps for any info about that they further require about that place.
>
> It is said in the documentation of the Places API that the unique
> identifier for a place may change and we should use the reference token to
> query and update our local cache.
>
> *google.maps.places.PlaceResult 
> **(*http://code.google.com/apis/maps/documentation/javascript/reference.h...
> *)*
> *"id - string - A unique identifier denoting this Place. This identifier
> may not be used to retrieve information about this Place, and to verify the
> identity of a Place across separate searches. As ids can occasionally
> change, it is recommended that the stored id for a Place be compared with
> the id returned in later Details requests for the same Place, and updated
> if necessary." *
> *
> *
> *Problem:*
>
> What will happen if a user cheks in a place lets say with ID 10000
> and after that the ID of the place changes to 15000
> Another user checks in at the same place but I will have two different IDs
> for the same place in my DB
>
> Should I run a query to check every place one by one to see if the ID have
> changed?
> If so how often I should do that?

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