Name
ST_RemoveIsoNode — Removes an isolated node and returns description of action. If the node is not isolated (is start or end of an edge), then an exception is thrown.
Synopsis
text ST_RemoveIsoNode(varchar atopology, integer anode);
Descrizione
Removes an isolated node and returns description of action. If the node is not isolated (is start or end of an edge), then an exception is thrown.
Availability: 1.1
Questo metodo implementa la specifica SQL/MM. SQL-MM: Topo-Geo and Topo-Net 3: Routine Details: X+1.3.3
Esempi
-- Remove an isolated node with no face --
SELECT topology.ST_RemoveIsoNode('ma_topo', 7 ) As result;
result
-------------------------
Isolated node 7 removed