On 3/17/06, Bruno Wolff III <[EMAIL PROTECTED]> wrote:
> Have you looked at using the Earth Distance contrib module? If a spherical
> model of the earth is suitable for your application, then it may work for you
> and might be easier than trying to create Gist indexes yourself.
earth distance = great stuff. If the maximum error is known then you
can just pad the distance and filter the result on the client if exact
precision is needed.
Merlin
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TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match
