| From: | Kaare Rasmussen <kaare(at)jasonic(dot)dk> |
|---|---|
| To: | Darcy Buskermolen <darcy(at)wavefire(dot)com>, pgsql-advocacy(at)postgresql(dot)org |
| Subject: | Re: PostgreSQL contra Oracle |
| Date: | 2005-11-01 15:37:55 |
| Message-ID: | 200511011637.55955.kaare@jasonic.dk |
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| Lists: | pgsql-advocacy |
> You would be surprised what you can do with maps and the built in geometric
> types.
As in "calculate distance between two objects" on a map? The objects have to
follow the roads.
> This is possible by writing a GiST or other index on the data.
Well, I don't know offhand how to do it. My guess would be that you'd need
more knowledge about the LOB type and how to compare them to each other.
It's not something I need. It would be fun to play with, OTOH. Let PostgreSQL
decide which of the children looks the most like their mother or father :-)
--
Med venlig hilsen
Kaare Rasmussen, Jasonic
Jasonic Telefon: +45 3816 2582
Nordre Fasanvej 12
2000 Frederiksberg Email: kaare(at)jasonic(dot)dk
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