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/*PGR-GNU*****************************************************************
File: trspVia.sql
Function's developer:
Copyright (c) 2022 Celia Virginia Vergara Castillo
------
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*/
--v3.4
CREATE FUNCTION pgr_trspVia(
TEXT, -- edges sql
TEXT, -- restrictions sql
ANYARRAY, -- via vids
directed BOOLEAN DEFAULT true,
strict BOOLEAN DEFAULT false,
U_turn_on_edge BOOLEAN DEFAULT true,
OUT seq INTEGER,
OUT path_id INTEGER,
OUT path_seq INTEGER,
OUT start_vid BIGINT,
OUT end_vid BIGINT,
OUT node BIGINT,
OUT edge BIGINT,
OUT cost FLOAT,
OUT agg_cost FLOAT,
OUT route_agg_cost FLOAT)
RETURNS SETOF RECORD AS
$BODY$
SELECT seq, path_id, path_seq, start_vid, end_vid, node, edge, cost, agg_cost, route_agg_cost
FROM _pgr_trspVia(
_pgr_get_statement($1),
_pgr_get_statement($2),
$3 , $4, $5, $6);
$BODY$
LANGUAGE SQL VOLATILE STRICT
COST ${COST_HIGH} ROWS ${ROWS_HIGH};
COMMENT ON FUNCTION pgr_trspVia(TEXT, TEXT, ANYARRAY, BOOLEAN, BOOLEAN, BOOLEAN)
IS 'pgr_trspVia
- Parameters:
- Edges SQL with columns: id, source, target, cost [,reverse_cost]
- Restrictions SQL with columns: cost, path
- ARRAY[via vertices identifiers]
- Optional Parameters
- directed := true
- strict := false
- U_turn_on_edge := true
- Documentation:
- ${PROJECT_DOC_LINK}/pgr_trspVia.html
';
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