[Tile-serving] [osm2pgsql-dev/osm2pgsql] How to omit certain relation members with flex output? (Discussion #2204)

[Jochen Topf]

That doesn't work because
a) there isn't one geometry for a member, there are lots of possible geometries you can create from a member (if the member is a closed way for instance, a linestring or a polygon)
b) for a property we'd need to create the geometry even if it isn't used which creates a lot of overhead

We'll figure something out eventually, but for the moment: this is harder than it looks which is partly due to the OSM data model but partly also due to the way osm2pgsql handles these things internally.

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