[pgrouting-dev] Definitions for types

[Stephen Mather]

Ah yes.  I see I was doing a really lazy man's job of reading the 
docs... .  Apologies for that.

Thanks Steve,
Best,
Steve

>
> http://docs.pgrouting.org/dev/doc/index.html
>
> It is a generic tuple, and each function decides what to put in the 
> slots, but the basic usage is something like:
>
> seq - allows you to maintain order of results after joins
> id1 - often node id
> id2 - often edge id
> cost - cost to traverse edge or get to node
>
> But it can vary based on the specific command.
>
> -Steve
>
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