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
|
// Test simple updates issued through mongos. Updates have different constraints through mongos,
// since shard key is immutable.
//
// Updating a shard key in a single statement may use a multi shard transaction.
// Use the 'requires_find_command' tag to skip this test in sharding_op_query suite.
// Otherwise, sessionDb.coll.find() will throw "Cannot run a legacy query on a session".
//
// @tags: [
// requires_find_command,
// uses_multi_shard_transaction,
// uses_transactions,
// need_fixing_for_46
// ]
(function() {
load("jstests/sharding/libs/sharded_transactions_helpers.js");
const s = new ShardingTest({name: "auto1", shards: 2, mongos: 1});
enableCoordinateCommitReturnImmediatelyAfterPersistingDecision(s);
s.adminCommand({enablesharding: "test"});
s.ensurePrimaryShard('test', s.shard1.shardName);
const db = s.getDB("test");
const sessionDb = s.s.startSession({retryWrites: true}).getDatabase("test");
let coll, sessionColl;
// Repeat same tests with hashed shard key, to ensure identical behavior.
s.shardColl("update0", {key: 1}, {key: 0}, {key: 1}, db.getName(), true);
s.adminCommand({shardcollection: "test.update1", key: {key: "hashed"}});
s.shard0.getDB("admin").setLogLevel(1);
s.shard1.getDB("admin").setLogLevel(1);
for (let i = 0; i < 2; i++) {
const collName = "update" + i;
const hashedKey = (collName == "update1");
coll = db.getCollection(collName);
sessionColl = sessionDb.getCollection(collName); // Used for updates of the shard key.
coll.insert({_id: 1, key: 1});
// Replacment and Opstyle upserts.
assert.commandWorked(coll.update({_id: 2, key: 2}, {key: 2, foo: 'bar'}, {upsert: true}));
assert.commandWorked(coll.update({_id: 3, key: 3}, {$set: {foo: 'bar'}}, {upsert: true}));
assert.eq(coll.count(), 3, "count A");
assert.eq(coll.findOne({_id: 3}).key, 3, "findOne 3 key A");
assert.eq(coll.findOne({_id: 3}).foo, 'bar', "findOne 3 foo A");
// update existing using update()
assert.commandWorked(coll.update({_id: 1}, {key: 1, other: 1}));
assert.commandWorked(coll.update({_id: 2}, {key: 2, other: 2}));
assert.commandWorked(coll.update({_id: 3}, {key: 3, other: 3}));
// do a replacement-style update which queries the shard key and keeps it constant
assert.commandWorked(coll.update({key: 4}, {_id: 4, key: 4}, {upsert: true}));
assert.commandWorked(coll.update({key: 4}, {key: 4, other: 4}));
assert.eq(coll.find({key: 4, other: 4}).count(), 1, 'replacement update error');
coll.remove({_id: 4});
assert.eq(coll.count(), 3, "count B");
coll.find().forEach(function(x) {
assert.eq(x._id, x.key, "_id == key");
assert.eq(x._id, x.other, "_id == other");
});
assert.commandWorked(sessionColl.update({_id: 1, key: 1}, {$set: {key: 2}}));
assert.eq(coll.findOne({_id: 1}).key, 2, 'key changed');
assert.commandWorked(
sessionColl.update({_id: 1, key: 2}, {$set: {key: 1}})); // Reset the key value.
assert.commandWorked(coll.update({_id: 1, key: 1}, {$set: {foo: 2}}));
coll.update({key: 17}, {$inc: {x: 5}}, true);
assert.eq(5, coll.findOne({key: 17}).x, "up1");
coll.update({key: 18}, {$inc: {x: 5}}, true, true);
assert.eq(5, coll.findOne({key: 18}).x, "up2");
// Make sure we can extract exact _id from certain queries
assert.commandWorked(coll.update({_id: ObjectId()}, {$set: {x: 1}}, {multi: false}));
assert.commandWorked(coll.update({_id: {$eq: ObjectId()}}, {$set: {x: 1}}, {multi: false}));
assert.commandWorked(coll.update({_id: {$all: [ObjectId()]}}, {$set: {x: 1}}, {multi: false}));
assert.commandWorked(coll.update({$or: [{_id: ObjectId()}]}, {$set: {x: 1}}, {multi: false}));
assert.commandWorked(coll.update({$and: [{_id: ObjectId()}]}, {$set: {x: 1}}, {multi: false}));
assert.commandWorked(coll.update({_id: {$in: [ObjectId()]}}, {$set: {x: 1}}, {multi: false}));
// Invalid extraction of exact _id from query
assert.commandFailedWithCode(coll.update({}, {$set: {x: 1}}, {multi: false}),
ErrorCodes.InvalidOptions);
assert.commandFailedWithCode(
coll.update({_id: {$gt: ObjectId()}}, {$set: {x: 1}}, {multi: false}),
ErrorCodes.InvalidOptions);
assert.commandFailedWithCode(
coll.update({$or: [{_id: ObjectId()}, {_id: ObjectId()}]}, {$set: {x: 1}}, {multi: false}),
ErrorCodes.InvalidOptions);
assert.commandFailedWithCode(
coll.update({$and: [{_id: ObjectId()}, {_id: ObjectId()}]}, {$set: {x: 1}}, {multi: false}),
ErrorCodes.InvalidOptions);
assert.commandFailedWithCode(coll.update({'_id.x': ObjectId()}, {$set: {x: 1}}, {multi: false}),
ErrorCodes.InvalidOptions);
// Make sure we can extract exact shard key from certain queries
assert.commandWorked(coll.update({key: ObjectId()}, {$set: {x: 1}}, {multi: false}));
assert.commandWorked(coll.update({key: {$eq: ObjectId()}}, {$set: {x: 1}}, {multi: false}));
assert.commandWorked(coll.update({key: {$in: [ObjectId()]}}, {$set: {x: 1}}, {multi: false}));
assert.commandWorked(coll.update({key: {$all: [ObjectId()]}}, {$set: {x: 1}}, {multi: false}));
assert.commandWorked(coll.update({$or: [{key: ObjectId()}]}, {$set: {x: 1}}, {multi: false}));
assert.commandWorked(coll.update({$and: [{key: ObjectId()}]}, {$set: {x: 1}}, {multi: false}));
// Invalid extraction of exact key from query
assert.commandFailedWithCode(coll.update({}, {$set: {x: 1}}, {multi: false}),
ErrorCodes.InvalidOptions);
assert.commandFailedWithCode(coll.update({'key.x': ObjectId()}, {$set: {x: 1}}, {multi: false}),
ErrorCodes.InvalidOptions);
// Inexact queries may target a single shard. Range queries may target a single shard as
// long as the collection is not hashed.
if (hashedKey) {
assert.commandFailedWithCode(coll.update({key: {$gt: 0}}, {$set: {x: 1}}, {multi: false}),
ErrorCodes.InvalidOptions);
} else {
assert.commandWorked(coll.update({key: {$gt: 0}}, {$set: {x: 1}}, {multi: false}));
}
// Note: {key:-1} and {key:-2} fall on shard0 for both hashed and ascending shardkeys.
assert.commandWorked(
coll.update({$or: [{key: -1}, {key: -2}]}, {$set: {x: 1}}, {multi: false}));
assert.commandWorked(
coll.update({$and: [{key: -1}, {key: -2}]}, {$set: {x: 1}}, {multi: false}));
// In cases where an inexact query does target multiple shards, single update is rejected.
assert.commandFailedWithCode(coll.update({key: {$gt: MinKey}}, {$set: {x: 1}}, {multi: false}),
ErrorCodes.InvalidOptions);
assert.commandFailedWithCode(
coll.update({$or: [{key: -10}, {key: 10}]}, {$set: {x: 1}}, {multi: false}),
ErrorCodes.InvalidOptions);
// Make sure failed shard key or _id extraction doesn't affect the other
assert.commandWorked(
coll.update({'_id.x': ObjectId(), key: 1}, {$set: {x: 1}}, {multi: false}));
assert.commandWorked(
coll.update({_id: ObjectId(), 'key.x': 1}, {$set: {x: 1}}, {multi: false}));
// Can unset shard key with op style update.
assert.commandWorked(coll.insert({_id: 11, key: 1}));
assert.commandWorked(sessionColl.update({_id: 11, key: 1}, {$unset: {key: 1}}));
assert.docEq(sessionColl.findOne({_id: 11}), {_id: 11});
// Can unset shard key with replacement style update.
assert.commandWorked(coll.insert({_id: 12, key: 1}));
assert.commandWorked(sessionColl.update({_id: 12, key: 1}, {_id: 12}));
assert.docEq(sessionColl.findOne({_id: 12}), {_id: 12});
// Can unset shard key with pipeline style update.
assert.commandWorked(coll.insert({_id: 13, key: 1}));
assert.commandWorked(sessionColl.update({_id: 13, key: 1}, [{$unset: "key"}, {$set: {x: 1}}]));
assert.docEq(sessionColl.findOne({_id: 13}), {_id: 13, x: 1});
// Can unset nested fields in the shard key.
assert.commandWorked(coll.insert({_id: 14, key: {a: 1, b: 1}}));
assert.commandWorked(sessionColl.update({_id: 14, key: {a: 1, b: 1}}, {$unset: {"key.a": 1}}));
assert.docEq(sessionColl.findOne({_id: 14}), {_id: 14, key: {b: 1}});
}
// Tests for nested shard keys.
function testNestedShardKeys(collName, keyPattern) {
s.adminCommand({shardCollection: db.getName() + "." + collName, key: keyPattern});
coll = db.getCollection(collName);
sessionColl = sessionDb.getCollection(collName);
//
// Verify full shard key path can be unset.
//
// Can unset shard key with op style update.
assert.commandWorked(coll.insert({_id: 11, skey: {skey: 1}}));
assert.commandWorked(sessionColl.update({_id: 11, "skey.skey": 1}, {$unset: {skey: 1}}));
assert.docEq(sessionColl.findOne({_id: 11}), {_id: 11});
// Can unset shard key with replacement style update.
assert.commandWorked(coll.insert({_id: 12, skey: {skey: 1}}));
assert.commandWorked(sessionColl.update({_id: 12, "skey.skey": 1}, {_id: 12}));
assert.docEq(sessionColl.findOne({_id: 12}), {_id: 12});
// Can unset shard key with pipeline style update.
assert.commandWorked(coll.insert({_id: 13, skey: {skey: 1}}));
assert.commandWorked(
sessionColl.update({_id: 13, "skey.skey": 1}, [{$unset: "skey"}, {$set: {x: 1}}]));
assert.docEq(sessionColl.findOne({_id: 13}), {_id: 13, x: 1});
//
// Verify each field in a nested shard key can be unset.
//
// For op-style.
assert.commandWorked(coll.insert({_id: 14, skey: {skey: 1}}));
assert.commandWorked(sessionColl.update({_id: 14, "skey.skey": 1}, {$unset: {"skey.skey": 1}}));
assert.docEq(sessionColl.findOne({_id: 14}), {_id: 14, skey: {}});
assert.commandWorked(sessionColl.update({_id: 14, skey: {}}, {$unset: {skey: 1}}));
assert.docEq(sessionColl.findOne({_id: 14}), {_id: 14});
// For replacement style.
assert.commandWorked(coll.insert({_id: 15, skey: {skey: 1}}));
assert.commandWorked(sessionColl.update({_id: 15, "skey.skey": 1}, {skey: 1}));
assert.docEq(sessionColl.findOne({_id: 15}), {_id: 15, skey: 1});
assert.commandWorked(sessionColl.update({_id: 15, skey: 1}, {$unset: {skey: 1}}));
assert.docEq(sessionColl.findOne({_id: 15}), {_id: 15});
// For pipeline style.
assert.commandWorked(coll.insert({_id: 16, skey: {skey: 1}}));
assert.commandWorked(sessionColl.update({_id: 16, "skey.skey": 1}, [{$unset: "skey.skey"}]));
assert.docEq(sessionColl.findOne({_id: 16}), {_id: 16, skey: {}});
assert.commandWorked(sessionColl.update({_id: 16, skey: {}}, [{$unset: "skey"}]));
assert.docEq(sessionColl.findOne({_id: 16}), {_id: 16});
}
testNestedShardKeys("update_nested", {"skey.skey": 1});
testNestedShardKeys("update_nested_hashed", {"skey.skey": "hashed"});
s.stop();
})();
|
