On 4/8/2011 1:16 PM, Alan Mintz wrote:
Not all consumers are for the purpose of navigation or map rendering. It
might be useful, for example, to be able to query
select * from <CA-60 exit nodes> where exit_to_root="Rosemead Blvd"
to get both ramps from CA-60 to Rosemead Blvd, instead of having to use
'exit_to like "Rosemead Blvd%"'.
You'd still have to do the latter to find exits that are signed as
leading to Rosemead Boulevard and another road (and of course neither
would find cases where mappers correctly expanded Blvd to Boulevard).
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