[postgis-devel] Issue 19

[Kevin Neufeld]

Paul Ramsey wrote:
> Now, I think Kevin has some use cases where the float4 round causes 
> issues. I guess "group by" for points, yes? I think that the use case of 
> "faster for large geometries" outweighs the use case of "group by for 
> points", but I could be wrong.
> 

I would agree.  Yes, group by for points does cause issues, but that's the nice thing about SQL ... there's often many 
ways to ask the same question.  In this case, grouping by the hex string works just fine.
-- Kevin