sequel <3 postgis

gistfile1.rb

class Symbol
  def method_missing meth, *args
    if self == :st
      Sequel.function(:"st_#{meth}", *args)
    else
      super
    end
  end
end

test_point = :st.buffer( :st.geogfromwkb( :st.setsrid( :st.makepoint( -122, 45 ), 4326 ) ), 100 )
location_buffer = :st.buffer( :st.geogfromwkb( :st.setsrid( :st.makepoint( :longitude, :latitude ), 4326 ) ), :accuracy )
Thing.where( :st.intersects test_point, location_buffer ).all