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
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
|
// TODO (SERVER-30344): enable UUID consistency check once createIndexes does not cause shards to
// have inconsistent UUIDs.
TestData.skipCheckingUUIDsConsistentAcrossCluster = true;
(function() {
var s = new ShardingTest({name: "features1", shards: 2, mongos: 1});
s.adminCommand({enablesharding: "test"});
s.ensurePrimaryShard('test', 'shard0001');
// ---- can't shard system namespaces ----
assert(!s.admin.runCommand({shardcollection: "test.system.blah", key: {num: 1}}).ok,
"shard system namespace");
// ---- setup test.foo -----
s.adminCommand({shardcollection: "test.foo", key: {num: 1}});
db = s.getDB("test");
a = s._connections[0].getDB("test");
b = s._connections[1].getDB("test");
db.foo.ensureIndex({y: 1});
s.adminCommand({split: "test.foo", middle: {num: 10}});
s.adminCommand(
{movechunk: "test.foo", find: {num: 20}, to: s.getOther(s.getPrimaryShard("test")).name});
db.foo.save({num: 5});
db.foo.save({num: 15});
s.sync();
// ---- make sure shard key index is everywhere ----
assert.eq(3, a.foo.getIndexKeys().length, "a index 1");
assert.eq(3, b.foo.getIndexKeys().length, "b index 1");
// ---- make sure if you add an index it goes everywhere ------
db.foo.ensureIndex({x: 1});
s.sync();
assert.eq(4, a.foo.getIndexKeys().length, "a index 2");
assert.eq(4, b.foo.getIndexKeys().length, "b index 2");
// ---- no unique indexes ------
db.foo.ensureIndex({z: 1}, true);
s.sync();
assert.eq(4, a.foo.getIndexKeys().length, "a index 3");
assert.eq(4, b.foo.getIndexKeys().length, "b index 3");
db.foo.ensureIndex({num: 1, bar: 1}, true);
s.sync();
assert.eq(5, b.foo.getIndexKeys().length, "c index 3");
// ---- can't shard thing with unique indexes
db.foo2.ensureIndex({a: 1});
s.sync();
printjson(db.foo2.getIndexes());
assert(s.admin.runCommand({shardcollection: "test.foo2", key: {num: 1}}).ok,
"shard with index");
db.foo3.ensureIndex({a: 1}, true);
s.sync();
printjson(db.foo3.getIndexes());
assert(!s.admin.runCommand({shardcollection: "test.foo3", key: {num: 1}}).ok,
"shard with unique index");
db.foo7.ensureIndex({num: 1, a: 1}, true);
s.sync();
printjson(db.foo7.getIndexes());
assert(s.admin.runCommand({shardcollection: "test.foo7", key: {num: 1}}).ok,
"shard with ok unique index");
// ----- eval -----
db.foo2.save({num: 5, a: 7});
db.foo3.save({num: 5, a: 8});
assert.eq(1, db.foo3.count(), "eval pre1");
assert.eq(1, db.foo2.count(), "eval pre2");
assert.eq(8,
db.eval(function() {
return db.foo3.findOne().a;
}),
"eval 1 ");
assert.throws(function() {
db.eval(function() {
return db.foo2.findOne().a;
});
}, [], "eval 2");
assert.eq(1,
db.eval(function() {
return db.foo3.count();
}),
"eval 3 ");
assert.throws(function() {
db.eval(function() {
return db.foo2.count();
});
}, [], "eval 4");
// ----- "eval" new command name SERVER-5588 -----
var result;
result = db.runCommand({
eval: function() {
return db.foo3.count();
}
}); // non-sharded collection
assert.eq(1, result.ok, "eval should work for non-sharded collection in cluster");
result = db.runCommand({
eval: function() {
return db.foo2.count();
}
}); // sharded collection
assert.eq(0, result.ok, "eval should not work for sharded collection in cluster");
// ---- unique shard key ----
assert(s.admin.runCommand({shardcollection: "test.foo4", key: {num: 1}, unique: true}).ok,
"shard with index and unique");
s.adminCommand({split: "test.foo4", middle: {num: 10}});
s.admin.runCommand(
{movechunk: "test.foo4", find: {num: 20}, to: s.getOther(s.getPrimaryShard("test")).name});
assert.writeOK(db.foo4.save({num: 5}));
assert.writeOK(db.foo4.save({num: 15}));
s.sync();
assert.eq(1, a.foo4.count(), "ua1");
assert.eq(1, b.foo4.count(), "ub1");
assert.eq(2, a.foo4.getIndexes().length, "ua2");
assert.eq(2, b.foo4.getIndexes().length, "ub2");
assert(a.foo4.getIndexes()[1].unique, "ua3");
assert(b.foo4.getIndexes()[1].unique, "ub3");
assert.eq(2, db.foo4.count(), "uc1");
db.foo4.save({num: 7});
assert.eq(3, db.foo4.count(), "uc2");
assert.writeError(db.foo4.save({num: 7}));
assert.eq(3, db.foo4.count(), "uc4");
// --- don't let you convertToCapped ----
assert(!db.foo4.isCapped(), "ca1");
assert(!a.foo4.isCapped(), "ca2");
assert(!b.foo4.isCapped(), "ca3");
assert(!db.foo4.convertToCapped(30000).ok, "ca30");
assert(!db.foo4.isCapped(), "ca4");
assert(!a.foo4.isCapped(), "ca5");
assert(!b.foo4.isCapped(), "ca6");
// make sure i didn't break anything
db.foo4a.save({a: 1});
assert(!db.foo4a.isCapped(), "ca7");
db.foo4a.convertToCapped(30000);
assert(db.foo4a.isCapped(), "ca8");
// --- don't let you shard a capped collection
db.createCollection("foo5", {capped: true, size: 30000});
assert(db.foo5.isCapped(), "cb1");
var res = s.admin.runCommand({shardcollection: "test.foo5", key: {num: 1}});
assert(!res.ok, "shard capped: " + tojson(res));
// ----- group ----
db.foo6.save({a: 1});
db.foo6.save({a: 3});
db.foo6.save({a: 3});
db.foo6.ensureIndex({a: 1});
s.sync();
printjson(db.foo6.getIndexes());
assert.eq(2,
db.foo6
.group({
key: {a: 1},
initial: {count: 0},
reduce: function(z, prev) {
prev.count++;
}
})
.length);
assert.eq(3, db.foo6.find().count());
assert(s.admin.runCommand({shardcollection: "test.foo6", key: {a: 1}}).ok);
assert.eq(3, db.foo6.find().count());
s.adminCommand({split: "test.foo6", middle: {a: 2}});
// movechunk commands are wrapped in assert.soon
// Sometimes the TO-side shard isn't immediately ready, this
// causes problems on slow hosts.
// Remove when SERVER-10232 is fixed
assert.soon(function() {
var cmdRes = s.admin.runCommand(
{movechunk: "test.foo6", find: {a: 3}, to: s.getOther(s.getPrimaryShard("test")).name});
return cmdRes.ok;
}, 'move chunk test.foo6', 60000, 1000);
assert.throws(function() {
db.foo6.group({
key: {a: 1},
initial: {count: 0},
reduce: function(z, prev) {
prev.count++;
}
});
});
// ---- can't shard non-empty collection without index -----
assert.writeOK(db.foo8.save({a: 1}));
assert(!s.admin.runCommand({shardcollection: "test.foo8", key: {a: 1}}).ok,
"non-empty collection");
// ---- can't shard non-empty collection with null values in shard key ----
assert.writeOK(db.foo9.save({b: 1}));
db.foo9.ensureIndex({a: 1});
assert(!s.admin.runCommand({shardcollection: "test.foo9", key: {a: 1}}).ok,
"entry with null value");
// --- listDatabases ---
r = db.getMongo().getDBs();
assert.eq(3, r.databases.length, tojson(r));
assert.eq("number", typeof(r.totalSize), "listDatabases 3 : " + tojson(r));
s.stop();
})();
|