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/*PGR-GNU*****************************************************************
File: _contraction.sql
Generated with Template by:
Copyright (c) 2015 pgRouting developers
Mail: project@pgrouting.org
Function's developer:
Copyright (c) 2016 Rohith Reddy
Mail:
------
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*/
--------------------
--------------------
-- contraction
--------------------
--------------------
--v3.0
CREATE FUNCTION _pgr_contraction(
edges_sql TEXT,
contraction_order BIGINT[],
max_cycles INTEGER DEFAULT 1,
forbidden_vertices BIGINT[] DEFAULT ARRAY[]::BIGINT[],
directed BOOLEAN DEFAULT true,
OUT type TEXT,
OUT id BIGINT,
OUT contracted_vertices BIGINT[],
OUT source BIGINT,
OUT target BIGINT,
OUT cost FLOAT)
RETURNS SETOF RECORD AS
'MODULE_PATHNAME'
LANGUAGE C VOLATILE STRICT
COST ${COST_HIGH} ROWS ${ROWS_HIGH};
COMMENT ON FUNCTION _pgr_contraction(TEXT, BIGINT[], INTEGER, BIGINT[], BOOLEAN)
IS 'pgRouting internal function';
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