Rhys Stewart wrote:
> The example I provided earlier was a very simplified model of the table
> I'm working with after a self join. The table in question contains
> geographic data (linestrings)
PostGIS LINESTRINGs?
> and I have written a function to return a
> textual representation
Like ST_AsEWKT()?
> so that I can easily identify lines with similar
> configuration. I want to now select lines that are in close proximity
> to each other and have the same configuration. So this requires a self
> join (afaik). So, short of a function like the one that was posited
> earlier, is there a method using just plain old sql to get the results I
> desire?
Surely, you don't mean ST_Distance()?
What do you mean by "similar configuration"?
Colin
