TopologySummary — 获取拓扑名称并提供拓扑中对象类型的汇总总数。
text TopologySummary(
varchar topology_schema_name)
;
获取拓扑名称并提供拓扑中对象类型的汇总总数。
可用性: 2.0.0
SELECT topology.topologysummary('city_data'); topologysummary -------------------------------------------------------- Topology city_data (329), SRID 4326, precision: 0 22 nodes, 24 edges, 10 faces, 29 topogeoms in 5 layers Layer 1, type Polygonal (3), 9 topogeoms Deploy: features.land_parcels.feature Layer 2, type Puntal (1), 8 topogeoms Deploy: features.traffic_signs.feature Layer 3, type Lineal (2), 8 topogeoms Deploy: features.city_streets.feature Layer 4, type Polygonal (3), 3 topogeoms Hierarchy level 1, child layer 1 Deploy: features.big_parcels.feature Layer 5, type Puntal (1), 1 topogeoms Hierarchy level 1, child layer 2 Deploy: features.big_signs.feature