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/*PGR-GNU*****************************************************************
Copyright (c) 2022 Vicky Vergara
Mail: vicky_vergara at hotmail.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*/
CREATE OR REPLACE FUNCTION compare_dijkstra_one_one(
fn TEXT, directed BOOLEAN,
ret_c TEXT default '*',
where_c TEXT default '',
restricted BOOLEAN default false,
lim INTEGER default 17)
RETURNS SETOF TEXT AS
$BODY$
DECLARE
inner_sql TEXT;
dijkstra_sql TEXT;
restricted_sql TEXT := '';
k TEXT := '';
fn_sql TEXT;
BEGIN
IF (restricted) THEN
restricted_sql := '$$SELECT * FROM restrictions WHERE id > 10$$, ';
k := ', 2';
END IF;
FOR i IN 1.. lim LOOP
FOR j IN 1.. lim LOOP
-- with reverse cost
inner_sql := 'SELECT id, source, target, cost, reverse_cost FROM edges';
dijkstra_sql := 'SELECT ' || ret_c || ' FROM pgr_dijkstra($$' || inner_sql || '$$, ' || i || ', ' || j
|| ', directed => ' || directed || ') ' || where_c;
fn_sql := 'SELECT ' || ret_c || ' FROM '|| fn || '($$' || inner_sql || '$$, ' || restricted_sql || i || ', ' || j || k
|| ', directed => ' || directed || ') ' || where_c;
RETURN query SELECT set_eq(fn_sql, dijkstra_sql, fn_sql);
-- no reverse cost
inner_sql := 'SELECT id, source, target, cost FROM edges';
dijkstra_sql := 'SELECT ' || ret_c || ' FROM pgr_dijkstra($$' || inner_sql || '$$, ' || i || ', ' || j
|| ', directed => ' || directed || ') ' || where_c;
fn_sql := 'SELECT ' || ret_c || ' FROM '|| fn || '($$' || inner_sql || '$$, ' || restricted_sql || i || ', ' || j || k
|| ', directed => ' || directed || ') ' || where_c;
RETURN query SELECT set_eq(fn_sql, dijkstra_sql, fn_sql);
END LOOP;
END LOOP;
END
$BODY$
language plpgsql;
CREATE OR REPLACE FUNCTION compare_dijkstra_many_one(
fn TEXT, directed BOOLEAN,
ret_c TEXT default '*',
where_c TEXT default '',
lim INTEGER default 17)
RETURNS SETOF TEXT AS
$BODY$
DECLARE
inner_sql TEXT;
dijkstra_sql TEXT;
fn_sql TEXT;
arr TEXT;
BEGIN
FOR j IN 1.. lim LOOP
arr := 'ARRAY[1,2,3,4,5,6,7,8]';
-- with reverse cost
inner_sql := 'SELECT id, source, target, cost, reverse_cost FROM edges';
dijkstra_sql := 'SELECT ' || ret_c || ' FROM pgr_dijkstra($$' || inner_sql || '$$, ' || arr || ', ' || j || ', directed => ' || directed || ')' || where_c;
fn_sql := 'SELECT ' || ret_c || ' FROM '|| fn || '($$' || inner_sql || '$$, ' || arr || ', ' || j || ', directed => ' || directed || ')' || where_c;
RETURN query SELECT set_eq(fn_sql, dijkstra_sql, fn_sql);
-- no reverse cost
inner_sql := 'SELECT id, source, target, cost FROM edges';
dijkstra_sql := 'SELECT ' || ret_c || ' FROM pgr_dijkstra($$' || inner_sql || '$$, ' || arr || ', ' || j || ', directed => ' || directed || ')' || where_c;
fn_sql := 'SELECT ' || ret_c || ' FROM '|| fn || '($$' || inner_sql || '$$, ' || arr || ', ' || j || ', directed => ' || directed || ')' || where_c;
RETURN query SELECT set_eq(fn_sql, dijkstra_sql, fn_sql);
END LOOP;
END
$BODY$
language plpgsql;
CREATE OR REPLACE FUNCTION compare_dijkstra_one_many(
fn TEXT, directed BOOLEAN,
ret_c TEXT default '*',
where_c TEXT default '',
lim INTEGER default 17)
RETURNS SETOF TEXT AS
$BODY$
DECLARE
inner_sql TEXT;
dijkstra_sql TEXT;
fn_sql TEXT;
arr TEXT;
BEGIN
FOR j IN 1.. lim LOOP
arr := 'ARRAY[1,2,3,4,5,6,7,8]';
-- with reverse cost
inner_sql := 'SELECT id, source, target, cost, reverse_cost FROM edges';
dijkstra_sql := 'SELECT ' || ret_c || ' FROM pgr_dijkstra($$' || inner_sql || '$$, ' || j || ', ' || arr || ', directed => ' || directed || ') ' || where_c;
fn_sql := 'SELECT ' || ret_c || ' FROM '|| fn || '($$' || inner_sql || '$$, ' || j || ', ' || arr || ', directed => ' || directed || ') ' || where_c;
RETURN query SELECT set_eq(fn_sql, dijkstra_sql, fn_sql);
-- no reverse cost
inner_sql := 'SELECT id, source, target, cost FROM edges';
dijkstra_sql := 'SELECT ' || ret_c || ' FROM pgr_dijkstra($$' || inner_sql || '$$, ' || j || ', ' || arr || ', directed => ' || directed || ') ' || where_c;
fn_sql := 'SELECT ' || ret_c || ' FROM '|| fn || '($$' || inner_sql || '$$, ' || j || ', ' || arr || ', directed => ' || directed || ') ' || where_c;
RETURN query SELECT set_eq(fn_sql, dijkstra_sql, fn_sql);
END LOOP;
END
$BODY$
language plpgsql;
CREATE OR REPLACE FUNCTION compare_dijkstra_many_many(
fn TEXT, directed BOOLEAN,
ret_c TEXT default '*',
where_c TEXT default '')
RETURNS SETOF TEXT AS
$BODY$
DECLARE
inner_sql TEXT;
dijkstra_sql TEXT;
fn_sql TEXT;
arr1 TEXT;
arr2 TEXT;
BEGIN
arr1 := 'ARRAY[1,2,3,4,5,6,7,8]';
arr2 := 'ARRAY[9,10,11,12,13,14,15]';
-- with reverse cost
inner_sql := 'SELECT id, source, target, cost, reverse_cost FROM edges';
dijkstra_sql := 'SELECT ' || ret_c || ' FROM pgr_dijkstra($$' || inner_sql || '$$, ' || arr1 || ', ' || arr2 || ', directed => ' || directed || ') ' || where_c;
fn_sql := 'SELECT ' || ret_c || ' FROM '|| fn || '($$' || inner_sql || '$$, ' || arr1 || ', ' || arr2 || ', directed => ' || directed || ') ' || where_c;
RETURN query SELECT set_eq(fn_sql, dijkstra_sql, fn_sql);
-- no reverse cost
inner_sql := 'SELECT id, source, target, cost FROM edges';
dijkstra_sql := 'SELECT ' || ret_c || ' FROM pgr_dijkstra($$' || inner_sql || '$$, ' || arr1 || ', ' || arr2 || ', directed => ' || directed || ') ' || where_c;
fn_sql := 'SELECT ' || ret_c || ' FROM '|| fn || '($$' || inner_sql || '$$, ' || arr1 || ', ' || arr2 || ', directed => ' || directed || ') ' || where_c;
RETURN query SELECT set_eq(fn_sql, dijkstra_sql, fn_sql);
END
$BODY$
language plpgsql;
CREATE OR REPLACE FUNCTION compare_dijkstra_combinations(
fn TEXT, directed BOOLEAN,
ret_c TEXT default '*',
where_c TEXT default '')
RETURNS SETOF TEXT AS
$BODY$
DECLARE
inner_sql TEXT;
dijkstra_sql TEXT;
fn_sql TEXT;
BEGIN
-- with reverse cost
inner_sql := 'SELECT id, source, target, cost, reverse_cost FROM edges';
dijkstra_sql := 'SELECT ' || ret_c || ' FROM pgr_dijkstra($$' || inner_sql || '$$, $$SELECT source, target FROM combinations$$, directed => ' || directed || ') ' || where_c;
fn_sql := 'SELECT ' || ret_c || ' FROM ' || fn || '($$' || inner_sql || '$$, $$SELECT source, target FROM combinations$$, directed => ' || directed || ') ' || where_c;
RETURN query SELECT set_eq(fn_sql, dijkstra_sql, fn_sql);
-- no reverse cost
inner_sql := 'SELECT id, source, target, cost FROM edges';
dijkstra_sql := 'SELECT ' || ret_c || ' FROM pgr_dijkstra($$' || inner_sql || '$$, $$SELECT source, target FROM combinations$$, directed => ' || directed || ') ' || where_c;
fn_sql := 'SELECT ' || ret_c || ' FROM ' || fn || '($$' || inner_sql || '$$, $$SELECT source, target FROM combinations$$, directed => ' || directed || ') ' || where_c;
RETURN query SELECT set_eq(fn_sql, dijkstra_sql, fn_sql);
END
$BODY$
language plpgsql;
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