[postgis-users] Why is my PostGIS query not using a spatial index?

[Ture Pålsson]

2011/8/30 Kevin Tran <hekevintran at gmail.com>:
> I am having an issue with a spatial query that is not making use of indexes.

I'd say that you are mixing meters (st_distance_sphere) and degrees of
arc (st_dwithin, st_expand) in a decidedly unhealthy manner.

 -- T