CopyTopology — Makes a copy of a topology (nodes, edges, faces, layers and TopoGeometries) into a new schema
integer CopyTopology(
varchar existing_topology_name, varchar new_name)
;
Creates a new topology with name new_name
, with SRID and precision copied from existing_topology_name
The nodes, edges and faces in existing_topology_name
are copied into the new topology,
as well as Layers and their associated TopoGeometries.
The new rows in the |
Availability: 2.0.0
Make a backup of a topology called ma_topo
.
SELECT topology.CopyTopology('ma_topo', 'ma_topo_backup');