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
|
require 'spec_helper'
module Arel
describe Join do
before do
@relation1 = Table(:users)
@relation2 = Table(:photos)
@predicate = @relation1[:id].eq(@relation2[:user_id])
end
describe '#to_sql' do
describe 'when the join contains a where' do
describe 'and the where is given a string' do
it 'does not escape the string' do
sql = @relation1 \
.join(@relation2.where("asdf")) \
.on(@predicate) \
.to_sql
adapter_is :mysql do
sql.should be_like(%Q{
SELECT `users`.`id`, `users`.`name`, `photos`.`id`, `photos`.`user_id`, `photos`.`camera_id`
FROM `users`
INNER JOIN `photos`
ON `users`.`id` = `photos`.`user_id` AND asdf
})
end
adapter_is :oracle do
sql.should be_like(%Q{
SELECT "USERS"."ID", "USERS"."NAME", "PHOTOS"."ID", "PHOTOS"."USER_ID", "PHOTOS"."CAMERA_ID"
FROM "USERS"
INNER JOIN "PHOTOS"
ON "USERS"."ID" = "PHOTOS"."USER_ID" AND asdf
})
end
adapter_is_not :mysql, :oracle do
sql.should be_like(%Q{
SELECT "users"."id", "users"."name", "photos"."id", "photos"."user_id", "photos"."camera_id"
FROM "users"
INNER JOIN "photos"
ON "users"."id" = "photos"."user_id" AND asdf
})
end
end
end
end
describe 'when a compound contains a join' do
describe 'and the compound is a where' do
it 'manufactures sql disambiguating the tables' do
sql = @relation1 \
.where(@relation1[:id].eq(1)) \
.join(@relation2) \
.on(@predicate) \
.where(@relation1[:id].eq(1)) \
.to_sql
adapter_is :mysql do
sql.should be_like(%Q{
SELECT `users`.`id`, `users`.`name`, `photos`.`id`, `photos`.`user_id`, `photos`.`camera_id`
FROM `users`
INNER JOIN `photos`
ON `users`.`id` = `photos`.`user_id`
WHERE `users`.`id` = 1
AND `users`.`id` = 1
})
end
adapter_is :oracle do
sql.should be_like(%Q{
SELECT "USERS"."ID", "USERS"."NAME", "PHOTOS"."ID", "PHOTOS"."USER_ID", "PHOTOS"."CAMERA_ID"
FROM "USERS"
INNER JOIN "PHOTOS"
ON "USERS"."ID" = "PHOTOS"."USER_ID"
WHERE "USERS"."ID" = 1
AND "USERS"."ID" = 1
})
end
adapter_is_not :mysql, :oracle do
sql.should be_like(%Q{
SELECT "users"."id", "users"."name", "photos"."id", "photos"."user_id", "photos"."camera_id"
FROM "users"
INNER JOIN "photos"
ON "users"."id" = "photos"."user_id"
WHERE "users"."id" = 1
AND "users"."id" = 1
})
end
end
end
describe 'and the compound is a group' do
it 'manufactures sql disambiguating the tables' do
sql = @relation1 \
.join(@relation2) \
.on(@predicate) \
.group(@relation1[:id]) \
.to_sql
adapter_is :mysql do
sql.should be_like(%Q{
SELECT `users`.`id`, `users`.`name`, `photos`.`id`, `photos`.`user_id`, `photos`.`camera_id`
FROM `users`
INNER JOIN `photos`
ON `users`.`id` = `photos`.`user_id`
GROUP BY `users`.`id`
})
end
adapter_is :oracle do
sql.should be_like(%Q{
SELECT "USERS"."ID", "USERS"."NAME", "PHOTOS"."ID", "PHOTOS"."USER_ID", "PHOTOS"."CAMERA_ID"
FROM "USERS"
INNER JOIN "PHOTOS"
ON "USERS"."ID" = "PHOTOS"."USER_ID"
GROUP BY "USERS"."ID"
})
end
adapter_is_not :mysql, :oracle do
sql.should be_like(%Q{
SELECT "users"."id", "users"."name", "photos"."id", "photos"."user_id", "photos"."camera_id"
FROM "users"
INNER JOIN "photos"
ON "users"."id" = "photos"."user_id"
GROUP BY "users"."id"
})
end
end
end
end
end
end
end
|