Sky wrote: > A query over 400,000 points w/o dwithin took 972 seconds. A query over > 400,000 points w/ dwithin(25000) took 111 seconds. Nice! > > Sounds like I need to think about my scenario for a bit and figure out > if I can strike a balance between dwithin tolerance and query > execution time.
Seems you could make a loop starting with a very small dwithin tolerance and doubling it in each iteration through a loop. Hiding this in a stored procedure would keep the queries clean. _______________________________________________ postgis-users mailing list postgis-users@postgis.refractions.net http://postgis.refractions.net/mailman/listinfo/postgis-users