1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
/* :file: This file is part of the pgRouting project.
:copyright: Copyright (c) 2022-2026 pgRouting developers
:license: Creative Commons Attribution-Share Alike 3.0 https://creativecommons.org/licenses/by-sa/3.0 */
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;
|
