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
|
from rdflib import Graph
def test_a():
g = Graph()
q = g.query(
"""
SELECT * {
{ BIND ("a" AS ?a) }
UNION
{ BIND ("a" AS ?a) }
}
"""
)
assert len(q) == 2
def test_b():
g = Graph()
q = g.query(
"""
SELECT * {
{ BIND ("a" AS ?a) }
UNION
{ VALUES ?a { "a" } }
UNION
{ SELECT ("a" AS ?a) {} }
}
"""
)
assert len(q) == 3
def test_c():
g = Graph()
q = g.query(
"""
SELECT * {
{ BIND ("a" AS ?a) }
UNION
{ VALUES ?a { "a" } }
UNION
{ SELECT ("b" AS ?a) {} }
}
"""
)
assert len(q) == 3
def test_d():
g = Graph()
q = g.query(
"""SELECT * {
{ BIND ("a" AS ?a) }
UNION
{ VALUES ?a { "b" } }
UNION
{ SELECT ("c" AS ?a) {} }
}
"""
)
assert len(q) == 3
|
