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
|
/**
* Test that migration should fail if the destination shard does not
* have the index and is not empty.
*/
var st = new ShardingTest({shards: 2});
var testDB = st.s.getDB('test');
testDB.adminCommand({enableSharding: 'test'});
st.ensurePrimaryShard(testDB.toString(), "shard0001");
testDB.adminCommand({shardCollection: 'test.user', key: {x: 1}});
// Test procedure:
// 1. Create index (index should now be in primary shard).
// 2. Split chunk into 3 parts.
// 3. Move 1 chunk to 2nd shard - should have no issues
testDB.user.ensureIndex({a: 1, b: 1});
testDB.adminCommand({split: 'test.user', middle: {x: 0}});
testDB.adminCommand({split: 'test.user', middle: {x: 10}});
// Collection does not exist, no chunk, index missing case at destination case.
assert.commandWorked(testDB.adminCommand({moveChunk: 'test.user', find: {x: 0}, to: 'shard0000'}));
// Drop index since last moveChunk created this.
st.d0.getDB('test').user.dropIndex({a: 1, b: 1});
// Collection exist but empty, index missing at destination case.
assert.commandWorked(testDB.adminCommand({moveChunk: 'test.user', find: {x: 10}, to: 'shard0000'}));
// Drop index since last moveChunk created this.
st.d0.getDB('test').user.dropIndex({a: 1, b: 1});
// Collection not empty, index missing at destination case.
testDB.user.insert({x: 10});
assert.commandFailed(
testDB.adminCommand({moveChunk: 'test.user', find: {x: -10}, to: 'shard0000'}));
st.stop();
|
