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
|
/**
* Tests that the shardCollection command and reshardCollection command correctly reject a shard key
* that has a field name that starts with '$' or contains parts that start with '$' unless the part
* is a DBRef (i.e. is equal to '$id', '$db' or '$ref').
*/
(function() {
"use strict";
const st = new ShardingTest({shards: 1});
const dbName = "testDb";
const ns0 = dbName + ".testColl0";
const ns1 = dbName + ".testColl1";
const ns2 = dbName + ".testColl2";
const db = st.s.getDB(dbName);
function testValidation(key, {isValidIndexKey, isValidShardKey}) {
jsTest.log(`Testing ${tojson({key, isValidIndexKey, isValidShardKey})}`);
assert.commandWorked(st.s.adminCommand({enableSharding: dbName}));
st.ensurePrimaryShard(dbName, st.shard0.name);
const createIndexRes = db.getCollection(ns0).createIndex(key);
if (isValidIndexKey) {
assert.commandWorked(createIndexRes);
} else {
assert.commandFailedWithCode(createIndexRes, ErrorCodes.CannotCreateIndex);
}
const shardCollectionRes = st.s.adminCommand({shardCollection: ns1, key});
if (isValidShardKey) {
assert.commandWorked(shardCollectionRes);
} else {
assert.commandFailedWithCode(shardCollectionRes, ErrorCodes.BadValue);
}
assert.commandWorked(st.s.adminCommand({shardCollection: ns2, key: {_id: 1}}));
const reshardCollectionRes = st.s.adminCommand({reshardCollection: ns2, key});
if (isValidShardKey) {
assert.commandWorked(reshardCollectionRes);
} else {
assert.commandFailedWithCode(reshardCollectionRes, ErrorCodes.BadValue);
}
assert.commandWorked(db.dropDatabase());
}
testValidation({"$x": 1}, {isValidIndexKey: false, isValidShardKey: false});
testValidation({"x.$y": 1}, {isValidIndexKey: false, isValidShardKey: false});
testValidation({"$**": 1}, {isValidIndexKey: true, isValidShardKey: false});
testValidation({"x.$**": 1}, {isValidIndexKey: true, isValidShardKey: false});
testValidation({"$": 1}, {isValidIndexKey: false, isValidShardKey: false});
testValidation({"x$": 1}, {isValidIndexKey: true, isValidShardKey: true});
testValidation({"x$.y": 1}, {isValidIndexKey: true, isValidShardKey: true});
testValidation({"x.y$": 1}, {isValidIndexKey: true, isValidShardKey: true});
// Verify that a shard key can have a field that contains a DBRef as long as the field itself
// does not start with '$'.
testValidation({"$id": 1}, {isValidIndexKey: false, isValidShardKey: false});
testValidation({"$db": 1}, {isValidIndexKey: false, isValidShardKey: false});
testValidation({"$ref": 1}, {isValidIndexKey: false, isValidShardKey: false});
testValidation({"x.$id": 1}, {isValidIndexKey: true, isValidShardKey: true});
testValidation({"x.$db": 1}, {isValidIndexKey: true, isValidShardKey: true});
testValidation({"x.$ref": 1}, {isValidIndexKey: true, isValidShardKey: true});
st.stop();
})();
|
