[Tile-serving] [osm2pgsql] Use GeoHash ordering instead of way ordering (#242)

[cquest]

Sure I was not hitting disk in my quick test. Geohash computation is obviously not the cause of the difference in timing.

5% difference is not a big issue anyway...

---
Reply to this email directly or view it on GitHub:
https://github.com/openstreetmap/osm2pgsql/pull/242#issuecomment-68350725
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/tile-serving/attachments/20141230/3c0a1ad2/attachment.html>