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

Copyright (c) 2016 pgRouting developers
Mail: project@pgrouting.org

Copyright (c) 2016 Celia Virginia Vergara Castillo
mail: vicky at erosion.dev

------

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*/

--v4.0
CREATE FUNCTION pgr_TSP(
    TEXT, -- matrix_row_sql (required)

    start_id BIGINT DEFAULT 0,
    end_id BIGINT DEFAULT 0,

    OUT seq INTEGER,
    OUT node BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
$BODY$
    SELECT seq, node, cost, agg_cost
    FROM _pgr_TSP_v4(_pgr_get_statement($1), $2, $3);
$BODY$
LANGUAGE SQL VOLATILE STRICT
COST ${COST_HIGH} ROWS ${ROWS_HIGH};

COMMENT ON FUNCTION pgr_TSP(TEXT, BIGINT, BIGINT)
IS 'pgr_TSP
- Parameters
  - matrix SQL with columns: start_vid, end_vid, agg_cost
- Optional parameters
    - start_id := 0
    - end_id := 0
- Documentation:
    - ${PROJECT_DOC_LINK}/pgr_TSP.html
';
