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/*PGR-GNU*****************************************************************
File: floydWarshall.sql
Template:
Copyright (c) 2015 pgRouting developers
Mail: project@pgrouting.org
Function developer:
Copyright (c) 2015 Vicky Vergara
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*/
--v3.0
CREATE FUNCTION pgr_floydWarshall(
TEXT, -- edges_sql (required)
directed BOOLEAN DEFAULT true,
OUT start_vid BIGINT,
OUT end_vid BIGINT,
OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
$BODY$
SELECT start_vid, end_vid, agg_cost
FROM _pgr_floydWarshall(_pgr_get_statement($1), $2);
$BODY$
LANGUAGE SQL VOLATILE STRICT
COST ${COST_HIGH} ROWS ${ROWS_HIGH};
COMMENT ON FUNCTION pgr_floydWarshall(TEXT, BOOLEAN)
IS 'pgr_floydWarshall
- Parameters:
- edges SQL with columns: source, target, cost [,reverse_cost])
- Optional Parameters:
- directed := true
- Documentation:
- ${PROJECT_DOC_LINK}/pgr_floydWarshall.html
';
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