Nome

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.

Sinossi

text ST_RemoveIsoNode(varchar atopology, bigint anode);

Description

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.

Code
SELECT topology.ST_RemoveIsoNode('ma_topo', 7) AS result;
Output
Isolated node 7 removed

Si veda anche

ST_AddIsoNode