pgrouting/sql/components/_connectedComponents.sql at master · xiaolingis/pgrouting · GitHub

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/*PGR-GNU*****************************************************************

File: _connectedComponents.sql

Generated with Template by:

Mail: project@pgrouting.org

Function's developer:

Mail: xjtumg1007@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*/

---------------

-- COMPONENTS

---------------

--------------------------

-- pgr_connectedComponents

--------------------------

CREATE OR REPLACE FUNCTION _pgr_connectedComponents(

edges_sql TEXT,

OUT seq BIGINT,

OUT component BIGINT,

OUT node BIGINT)

RETURNS SETOF RECORD AS

'MODULE_PATHNAME'

LANGUAGE c IMMUTABLE STRICT;

-- COMMENTS

COMMENT ON FUNCTION _pgr_connectedComponents(TEXT)

IS 'pgRouting internal function';

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