(docqueries/separateCrossing) Order matters and making geom readable

Author: cvvergara

docqueries/utilities/separateCrossing.pg

@@ -3,8 +3,9 @@
 --                pgr_nodeNetwork
 --------------------------------------------------------------------------------
 /* --q1 */
-SELECT *
-FROM pgr_separateCrossing('SELECT id, geom FROM edges');
+SELECT id, sub_id, ST_AsText(geom)
+FROM pgr_separateCrossing('SELECT id, geom FROM edges')
+ORDER BY id, sub_id;
 /* --q2 */
 SELECT *
 FROM pgr_separateCrossing('SELECT id, geom FROM edges', dryrun => true);

docqueries/utilities/separateCrossing.result

@@ -3,14 +3,15 @@ BEGIN
 SET client_min_messages TO NOTICE;
 SET
 /* --q1 */
-SELECT *
-FROM pgr_separateCrossing('SELECT id, geom FROM edges');
- seq | id | sub_id |                                        geom
------+----+--------+------------------------------------------------------------------------------------
-   1 | 18 |      1 | 0102000000020000000000000000000C4066666666666602400000000000000C400000000000000840
-   2 | 18 |      2 | 0102000000020000000000000000000C4000000000000008400000000000000C400000000000001040
-   3 | 13 |      1 | 010200000002000000000000000000084000000000000008400000000000000C400000000000000840
-   4 | 13 |      2 | 0102000000020000000000000000000C40000000000000084000000000000010400000000000000840
+SELECT id, sub_id, ST_AsText(geom)
+FROM pgr_separateCrossing('SELECT id, geom FROM edges')
+ORDER BY id, sub_id;
+ id | sub_id |         st_astext
+----+--------+---------------------------
+ 13 |      1 | LINESTRING(3 3,3.5 3)
+ 13 |      2 | LINESTRING(3.5 3,4 3)
+ 18 |      1 | LINESTRING(3.5 2.3,3.5 3)
+ 18 |      2 | LINESTRING(3.5 3,3.5 4)
 (4 rows)
 
 /* --q2 */
@@ -35,7 +36,7 @@ NOTICE:
     ),
 
     blades AS (
-      SELECT id1, g1, ST_Union(point) as blade
+      SELECT id1, g1, ST_UnaryUnion(ST_Collect(point)) AS blade
       FROM crossings
       GROUP BY id1, g1
     ),
@@ -121,7 +122,7 @@ FROM pgr_dijkstra('SELECT id, source, target, cost, reverse_cost FROM edges', 1,
    2 |        2 |         1 |      18 |    3 |    7 |    1 |        1
    3 |        3 |         1 |      18 |    7 |   10 |    1 |        2
    4 |        4 |         1 |      18 |    8 |   12 |    1 |        3
-   5 |        5 |         1 |      18 |   12 |   21 |  0.5 |        4
+   5 |        5 |         1 |      18 |   12 |   19 |  0.5 |        4
    6 |        6 |         1 |      18 |   18 |   -1 |    0 |      4.5
 (6 rows)