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
62
63
64
65
66
67
68
|
/*PGR-GNU*****************************************************************
File: withPointsKSP.sql
Copyright (c) 2015 Celia Virginia Vergara Castillo
vicky_vergara@hotmail.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*/
--v2.6
CREATE FUNCTION pgr_withPointsKSP(
TEXT, -- edges_sql (required)
TEXT, -- points_sql (required)
BIGINT, -- from_vid (required)
BIGINT, -- to_vid (required)
INTEGER, -- K (required)
directed BOOLEAN DEFAULT true,
heap_paths BOOLEAN DEFAULT false,
driving_side CHAR DEFAULT 'b',
details BOOLEAN DEFAULT false,
OUT seq INTEGER, OUT path_id INTEGER, OUT path_seq INTEGER,
OUT node BIGINT, OUT edge BIGINT,
OUT cost FLOAT, OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
$BODY$
SELECT *
FROM _pgr_withPointsKSP(_pgr_get_statement($1), _pgr_get_statement($2), $3, $4, $5, $6, $7, $8, $9);
$BODY$
LANGUAGE SQL VOLATILE STRICT
COST 100
ROWS 1000;
-- COMMENTS
COMMENT ON FUNCTION pgr_withPointsKSP(TEXT, TEXT, BIGINT, BIGINT, INTEGER, BOOLEAN, BOOLEAN, CHAR, BOOLEAN)
IS 'pgr_withPointsKSP
- PROPOSED
- Parameters:
- Edges SQL with columns: id, source, target, cost [,reverse_cost]
- Points SQL with columns: [pid], edge_id, fraction[,side]
- From vertex identifier
- To vertex identifier
- K
- Optional Parameters
- directed := true
- heap paths := false
- driving side := b
- details := false
- Documentation:
- ${PROJECT_DOC_LINK}/pgr_withPointsKSP.html
';
|
