On 1-3-2012 15:28, Sven Geggus wrote:

Quite in contrast to multipolygon relations, there is almost no computation
in route relations, their member ways are just added to the planet_osm_lines
table, they are not even concatenated.

They are concatenated, up to a maximum length. Still, that's still a lot less work than multipolygon calculations.


--
Lennard

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