---
title: "ST_RemoveIsoNode"
draft: false
hidden: true
---
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.
text
ST_RemoveIsoNode
(
varchar
atopology
, integer
anode
)
;
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
This method implements the SQL/MM specification. SQL-MM: Topo-Geo and Topo-Net 3: Routine Details: X+1.3.3
-- Remove an isolated node with no face -- SELECT topology.ST_RemoveIsoNode('ma_topo', 7 ) As result; result ------------------------- Isolated node 7 removed