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PolarDB:ST_NodeID

Last Updated:Mar 28, 2026

Returns the ID of the specified node in an SFMesh object.

Syntax

integer ST_NodeID(SFMesh sfmeshObject, integer nodeIndex);

Parameters

ParameterDescription
sfmeshObjectThe SFMesh object.
nodeIndexThe index of the node. Indexing starts at 0.

Return value

Returns the node ID as an integer.

Example

SELECT ST_NodeID(ST_SetNodeID(the_mesh, 0, 100), 0)
FROM t_table;

-------------------
100