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
|
// from server 2326 - make sure that sharding only works with unique indices
s = new ShardingTest( "shard_index", 2, 50, 1 )
// Regenerate fully because of SERVER-2782
for ( var i = 0; i < 10; i++ ) {
var coll = s.admin._mongo.getDB( "test" ).getCollection( "foo" + i )
coll.drop()
for ( var j = 0; j < 300; j++ ) {
coll.insert( { num : j, x : 1 } )
}
if(i == 0) s.adminCommand( { enablesharding : "" + coll._db } );
print("\n\n\n\n\nTest # " + i)
if ( i == 0 ) {
// Unique index exists, but not the right one.
coll.ensureIndex( { num : 1 }, { unique : true } )
coll.ensureIndex( { x : 1 } )
passed = false
try {
s.adminCommand( { shardcollection : "" + coll, key : { x : 1 } } )
passed = true
} catch (e) {
print( e )
}
assert( !passed, "Should not shard collection when another unique index exists!")
}
if ( i == 1 ) {
// Unique index exists as prefix, also index exists
coll.ensureIndex( { x : 1 } )
coll.ensureIndex( { x : 1, num : 1 }, { unique : true } )
try{
s.adminCommand({ shardcollection : "" + coll, key : { x : 1 } })
}
catch(e){
print(e)
assert( false, "Should be able to shard non-unique index without unique option.")
}
}
if ( i == 2 ) {
if (false) { // SERVER-3718
// Non-unique index exists as prefix, also index exists. No unique index.
coll.ensureIndex( { x : 1 } )
coll.ensureIndex( { x : 1, num : 1 } )
passed = false;
try{
s.adminCommand({ shardcollection : "" + coll, key : { x : 1 } })
passed = true;
}
catch( e ){
print(e)
}
assert( !passed, "Should not shard collection with no unique index.")
}
}
if ( i == 3 ) {
// Unique index exists as prefix, also unique index exists
coll.ensureIndex( { num : 1 }, { unique : true })
coll.ensureIndex( { num : 1 , x : 1 }, { unique : true } )
try{
s.adminCommand({ shardcollection : "" + coll, key : { num : 1 }, unique : true })
}
catch( e ){
print(e)
assert( false, "Should be able to shard collection with unique prefix index.")
}
}
if ( i == 4 ) {
// Unique index exists as id, also unique prefix index exists
coll.ensureIndex( { _id : 1, num : 1 }, { unique : true } )
try{
s.adminCommand({ shardcollection : "" + coll, key : { _id : 1 }, unique : true })
}
catch( e ){
print(e)
assert( false, "Should be able to shard collection with unique id index.")
}
}
if ( i == 5 ) {
// Unique index exists as id, also unique prefix index exists
coll.ensureIndex( { _id : 1, num : 1 }, { unique : true } )
try{
s.adminCommand({ shardcollection : "" + coll, key : { _id : 1, num : 1 }, unique : true })
}
catch( e ){
print(e)
assert( false, "Should be able to shard collection with unique combination id index.")
}
}
if ( i == 6 ) {
coll.remove()
// Unique index does not exist, also unique prefix index exists
coll.ensureIndex( { num : 1, _id : 1 }, { unique : true } )
try{
s.adminCommand({ shardcollection : "" + coll, key : { num : 1 }, unique : true })
}
catch( e ){
print(e)
assert( false, "Should be able to shard collection with no index.")
}
}
if ( i == 7 ) {
if (false) { // SERVER-3718
coll.remove()
// No index exists
passed = false
try{
s.adminCommand({ shardcollection : "" + coll, key : { num : 1 } })
passed = true
}
catch( e ){
print(e)
}
assert( !passed, "Should not shard collection with no index on shard key.")
}
}
if ( i == 8 ) {
if (false) { // SERVER-3718
coll.remove()
// No index exists
passed = false
try{
s.adminCommand({ shardcollection : "" + coll, key : { num : 1 }, unique : true })
passed = true
}
catch( e ){
print(e)
}
assert( !passed, "Should not shard collection with no index on shard key.")
}
}
if ( i == 9 ) {
// Unique index exists on a different field as well
coll.ensureIndex( { num : 1 }, { unique : true } )
coll.ensureIndex( { x : 1 }, { unique : true} )
passed = false
try {
s.adminCommand( { shardcollection : "" + coll, key : { x : 1 } } )
passed = true
} catch (e) {
print( e )
}
assert( !passed, "Should not shard collection when another unique index exists!" )
}
}
s.stop();
|
