[Cartoweb-users] add and read time stamp in pgdijkstra function

[Fay Du]

Hi all:
   I am trying to get time of each step in pgdijkstra. For example, I
want to how much time to fetch data, how much time to compute routes.If
I call this C function from PostGIS, how can I read the time stamp I put
in C? 
Thanks in advance.
Fay
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