- def self.sql_for_area(minlat, minlon, maxlat, maxlon)
- tilesql = QuadTile.sql_for_area(minlat, minlon, maxlat, maxlon)
+ def self.sql_for_area(minlat, minlon, maxlat, maxlon, prefix = nil)
+ tilesql = QuadTile.sql_for_area(minlat, minlon, maxlat, maxlon, prefix)