GetTopologySRID — Returns the SRID of a topology in the topology.topology table given the name of the topology.
integer GetTopologyID(varchar toponame);
Returns the spatial reference id of a topology in the topology.topology table given the name of the topology.
Availability: 2.0.0
SELECT topology.GetTopologySRID('ma_topo') AS srid;
4326
CreateTopology, DropTopology, GetTopologyName, GetTopologyID