/*PGR-GNU*****************************************************************
File: _breadthFirstSearch.sql

Copyright (c) 2015-2026 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';
