FindLayer — Returns a topology.layer record by different means.
topology.layer FindLayer(TopoGeometry tg);
topology.layer FindLayer(regclass layer_table, name feature_column);
topology.layer FindLayer(name schema_name, name table_name, name feature_column);
topology.layer FindLayer(integer topology_id, integer layer_id);
Takes a layer identifier or the identifier of a topology-related object and returns a topology.layer record.
Availability: 3.2.0
SELECT layer_id(findLayer('features.land_parcels', 'feature'));
layer_id
----------
1
(1 row)