TopoElementArray — An array of TopoElement objects.
Um arranjo de 1 ou mais objetos TopoGeometria, geralmente usado para circular componentes dos objetos de TopoGeometrias.
SELECT '{{1,2},{4,3}}'::topology.topoelementarray As tea; tea ------- {{1,2},{4,3}} -- more verbose equivalent -- SELECT ARRAY[ARRAY[1,2], ARRAY[4,3]]::topology.topoelementarray As tea; tea ------- {{1,2},{4,3}} --using the array agg function packaged with topology -- SELECT topology.TopoElementArray_Agg(ARRAY[e,t]) As tea FROM generate_series(1,4) As e CROSS JOIN generate_series(1,3) As t; tea -------------------------------------------------------------------------- {{1,1},{1,2},{1,3},{2,1},{2,2},{2,3},{3,1},{3,2},{3,3},{4,1},{4,2},{4,3}}
SELECT '{{1,2,4},{3,4,5}}'::topology.topoelementarray As tea; ERROR: value for domain topology.topoelementarray violates check constraint "dimensions"