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
|
/*PGR-GNU*****************************************************************
File: _breadthFirstSearch.sql
Copyright (c) 2019 pgRouting developers
Mail: project@pgrouting.org
Copyright (c) 2019 Gudesa Venkata Sai Akhil
Mail: gvs.akhil1997 at 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*/
--v3.0
CREATE FUNCTION _pgr_breadthFirstSearch(
TEXT, --edges
ANYARRAY, -- roots
BIGINT, -- max depth
BOOLEAN, --directed
OUT seq BIGINT,
OUT depth BIGINT,
OUT start_vid BIGINT,
OUT node BIGINT,
OUT edge BIGINT,
OUT cost FLOAT,
OUT agg_cost FLOAT,
OUT pred BIGINT)
RETURNS SETOF RECORD AS
'MODULE_PATHNAME'
LANGUAGE C VOLATILE STRICT
COST ${COST_HIGH} ROWS ${ROWS_HIGH};
COMMENT ON FUNCTION _pgr_breadthFirstSearch(TEXT, ANYARRAY, BIGINT, BOOLEAN)
IS 'pgRouting internal function';
|
