1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
/*PGR-GNU*****************************************************************
File: prim.sql
Generated with Template by:
Copyright (c) 2016 pgRouting developers
Mail: project@pgrouting.org
Function's developer:
Copyright (c) 2018 Aditya Pratap Singh
Mail: adityapratap.singh28@gmail.com
------
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
********************************************************************PGR-GNU*/
------------
-- pgr_prim
------------
--v3.0
CREATE FUNCTION pgr_prim(
TEXT, -- edges_sql (required)
OUT edge BIGINT,
OUT cost FLOAT)
RETURNS SETOF RECORD AS
$BODY$
SELECT edge, cost
FROM _pgr_primv4(_pgr_get_statement($1), ARRAY[0]::BIGINT[], '', -1, -1);
$BODY$
LANGUAGE SQL VOLATILE STRICT
COST ${COST_HIGH} ROWS ${ROWS_HIGH};
-- COMMENT
COMMENT ON FUNCTION pgr_prim(TEXT)
IS 'pgr_prim
- Undirected graph
- Parameters:
- Edges SQL with columns: id, source, target, cost [,reverse_cost]
- Documentation:
- ${PROJECT_DOC_LINK}/pgr_prim.html
';
|
