[postgis-users] Union of topologies

[Sandro Santilli]

On Mon, Oct 13, 2014 at 06:29:49PM +0200, Christopher Mutel wrote:
> Dear all-
> 
> Is there a way to create a new topology geometry as the union of two
> existing topology geometries without casting to a normal geometry and
> back? I have tried to write queries merging two TopoElementArrays, and
> then use CreateTopoGeom, but so far without success.

There's no ready support for it, but it would be an interesting project.
Right now casting to geometry and back is your safer bet.

--strk;

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