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BEGIN;
BEGIN
SET client_min_messages TO NOTICE;
SET
/* --q1 */
SELECT pgr_createTopology('edges', 0.001, 'geom', clean := TRUE);
NOTICE: PROCESSING:
NOTICE: pgr_createTopology('edges', 0.001, 'geom', 'id', 'source', 'target', rows_where := 'true', clean := t)
NOTICE: Performing checks, please wait .....
NOTICE: Creating Topology, Please wait...
NOTICE: -------------> TOPOLOGY CREATED FOR 18 edges
NOTICE: Rows with NULL geometry or NULL id: 0
NOTICE: Vertices table for table public.edges is: public.edges_vertices_pgr
NOTICE: ----------------------------------------------
pgr_createtopology
--------------------
OK
(1 row)
/* --q1.1 */
/* --q2 */
SELECT pgr_analyzegraph('edges', 0.001, 'geom');
NOTICE: PROCESSING:
NOTICE: pgr_analyzeGraph('edges',0.001,'geom','id','source','target','true')
NOTICE: Performing checks, please wait ...
NOTICE: Analyzing for dead ends. Please wait...
NOTICE: Analyzing for gaps. Please wait...
NOTICE: Analyzing for isolated edges. Please wait...
NOTICE: Analyzing for ring geometries. Please wait...
NOTICE: Analyzing for intersections. Please wait...
NOTICE: ANALYSIS RESULTS FOR SELECTED EDGES:
NOTICE: Isolated segments: 2
NOTICE: Dead ends: 7
NOTICE: Potential gaps found near dead ends: 1
NOTICE: Intersections detected: 1
NOTICE: Ring geometries: 0
pgr_analyzegraph
------------------
OK
(1 row)
/* --q2.1 */
/* --q3 */
SELECT pgr_nodeNetwork('edges', 0.001, the_geom => 'geom');
NOTICE: PROCESSING:
NOTICE: id: id
NOTICE: the_geom: geom
NOTICE: table_ending: noded
NOTICE: rows_where:
NOTICE: outall: f
NOTICE: pgr_nodeNetwork('edges', 0.001, 'id', 'geom', 'noded', '', f)
NOTICE: Performing checks, please wait .....
NOTICE: Processing, please wait .....
NOTICE: Split Edges: 3
NOTICE: Untouched Edges: 15
NOTICE: Total original Edges: 18
NOTICE: Edges generated: 6
NOTICE: Untouched Edges: 15
NOTICE: Total New segments: 21
NOTICE: New Table: public.edges_noded
NOTICE: ----------------------------------
pgr_nodenetwork
-----------------
OK
(1 row)
/* --q3.1 */
/* --q4 */
SELECT old_id, sub_id FROM edges_noded ORDER BY old_id, sub_id;
old_id | sub_id
--------+--------
1 | 1
2 | 1
3 | 1
4 | 1
5 | 1
6 | 1
7 | 1
8 | 1
9 | 1
10 | 1
11 | 1
12 | 1
13 | 1
13 | 2
14 | 1
14 | 2
15 | 1
16 | 1
17 | 1
18 | 1
18 | 2
(21 rows)
/* --q4.1 */
/* --q5 */
SELECT pgr_createTopology('edges_noded', 0.001, 'geom');
NOTICE: PROCESSING:
NOTICE: pgr_createTopology('edges_noded', 0.001, 'geom', 'id', 'source', 'target', rows_where := 'true', clean := f)
NOTICE: Performing checks, please wait .....
NOTICE: Creating Topology, Please wait...
NOTICE: -------------> TOPOLOGY CREATED FOR 21 edges
NOTICE: Rows with NULL geometry or NULL id: 0
NOTICE: Vertices table for table public.edges_noded is: public.edges_noded_vertices_pgr
NOTICE: ----------------------------------------------
pgr_createtopology
--------------------
OK
(1 row)
/* --q5.1 */
/* --q6 */
SELECT pgr_analyzegraph('edges_noded', 0.001, 'geom');
NOTICE: PROCESSING:
NOTICE: pgr_analyzeGraph('edges_noded',0.001,'geom','id','source','target','true')
NOTICE: Performing checks, please wait ...
NOTICE: Analyzing for dead ends. Please wait...
NOTICE: Analyzing for gaps. Please wait...
NOTICE: Analyzing for isolated edges. Please wait...
NOTICE: Analyzing for ring geometries. Please wait...
NOTICE: Analyzing for intersections. Please wait...
NOTICE: ANALYSIS RESULTS FOR SELECTED EDGES:
NOTICE: Isolated segments: 0
NOTICE: Dead ends: 6
NOTICE: Potential gaps found near dead ends: 0
NOTICE: Intersections detected: 0
NOTICE: Ring geometries: 0
pgr_analyzegraph
------------------
OK
(1 row)
/* --q6.1 */
/* --q7 */
alter table edges drop column if exists old_id;
NOTICE: column "old_id" of relation "edges" does not exist, skipping
ALTER TABLE
alter table edges add column old_id integer;
ALTER TABLE
insert into edges (old_id, cost, reverse_cost, geom)
(with
segmented as (select old_id,count(*) as i from edges_noded group by old_id)
select segments.old_id, cost, reverse_cost, segments.geom
from edges as edges join edges_noded as segments on (edges.id = segments.old_id)
where edges.id in (select old_id from segmented where i>1) );
INSERT 0 6
/* --q7.1 */
/* --q8 */
SELECT pgr_createTopology('edges', 0.001, 'geom');
NOTICE: PROCESSING:
NOTICE: pgr_createTopology('edges', 0.001, 'geom', 'id', 'source', 'target', rows_where := 'true', clean := f)
NOTICE: Performing checks, please wait .....
NOTICE: Creating Topology, Please wait...
NOTICE: -------------> TOPOLOGY CREATED FOR 6 edges
NOTICE: Rows with NULL geometry or NULL id: 0
NOTICE: Vertices table for table public.edges is: public.edges_vertices_pgr
NOTICE: ----------------------------------------------
pgr_createtopology
--------------------
OK
(1 row)
/* --q8.1 */
/* --q9 */
SELECT pgr_analyzegraph('edges', 0.001, 'geom', rows_where:='id not in (select old_id from edges where old_id is not null)');
NOTICE: PROCESSING:
NOTICE: pgr_analyzeGraph('edges',0.001,'geom','id','source','target','id not in (select old_id from edges where old_id is not null)')
NOTICE: Performing checks, please wait ...
NOTICE: Analyzing for dead ends. Please wait...
NOTICE: Analyzing for gaps. Please wait...
NOTICE: Analyzing for isolated edges. Please wait...
NOTICE: Analyzing for ring geometries. Please wait...
NOTICE: Analyzing for intersections. Please wait...
NOTICE: ANALYSIS RESULTS FOR SELECTED EDGES:
NOTICE: Isolated segments: 0
NOTICE: Dead ends: 6
NOTICE: Potential gaps found near dead ends: 0
NOTICE: Intersections detected: 0
NOTICE: Ring geometries: 0
pgr_analyzegraph
------------------
OK
(1 row)
/* --q9.1 */
/* --q10 */
SELECT pgr_analyzegraph('edges', 0.001, 'geom', rows_where:='old_id is null');
NOTICE: PROCESSING:
NOTICE: pgr_analyzeGraph('edges',0.001,'geom','id','source','target','old_id is null')
NOTICE: Performing checks, please wait ...
NOTICE: Analyzing for dead ends. Please wait...
NOTICE: Analyzing for gaps. Please wait...
NOTICE: Analyzing for isolated edges. Please wait...
NOTICE: Analyzing for ring geometries. Please wait...
NOTICE: Analyzing for intersections. Please wait...
NOTICE: ANALYSIS RESULTS FOR SELECTED EDGES:
NOTICE: Isolated segments: 2
NOTICE: Dead ends: 7
NOTICE: Potential gaps found near dead ends: 1
NOTICE: Intersections detected: 1
NOTICE: Ring geometries: 0
pgr_analyzegraph
------------------
OK
(1 row)
/* --q10.1 */
/* --q11 */
SELECT pgr_analyzegraph('edges', 0.001, 'geom');
NOTICE: PROCESSING:
NOTICE: pgr_analyzeGraph('edges',0.001,'geom','id','source','target','true')
NOTICE: Performing checks, please wait ...
NOTICE: Analyzing for dead ends. Please wait...
NOTICE: Analyzing for gaps. Please wait...
NOTICE: Analyzing for isolated edges. Please wait...
NOTICE: Analyzing for ring geometries. Please wait...
NOTICE: Analyzing for intersections. Please wait...
NOTICE: ANALYSIS RESULTS FOR SELECTED EDGES:
NOTICE: Isolated segments: 0
NOTICE: Dead ends: 3
NOTICE: Potential gaps found near dead ends: 0
NOTICE: Intersections detected: 5
NOTICE: Ring geometries: 0
pgr_analyzegraph
------------------
OK
(1 row)
/* --q11.1 */
ROLLBACK;
ROLLBACK
|
