TopoElement

الاسم

TopoElement — تحوّل TopoGeometry إلى topoelement.

topoelement TopoElement(topogeometry topo);

متاحة منذ: 3.4.0

هذا سير عمل كامل مستقل بذاته

-- do this if you don't have a topology setup already
-- Creates topology not allowing any tolerance
SELECT TopoElement(topo)
FROM neighborhoods;

-- using as cast
SELECT topology.TopoElementArray_Agg(topo::topoelement)
FROM neighborhoods
GROUP BY city;