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
|
/**
* Tests the expected point-in-time lookup behaviour when instantiating collections using no shared
* state.
*
* @tags: [
* requires_persistence,
* requires_replication,
* requires_fcv_70,
* ]
*/
(function() {
"use strict";
const rst = new ReplSetTest({
nodes: 1,
nodeOptions: {
setParameter: {
// Set the history window to 1 hour to prevent the oldest timestamp from advancing in
// order for drop pending tables to stick around.
minSnapshotHistoryWindowInSeconds: 60 * 60,
logComponentVerbosity: tojson({storage: 1}),
}
}
});
rst.startSet();
rst.initiate();
const primary = rst.getPrimary();
const dbName = "test";
const db = primary.getDB(dbName);
const coll = db.getCollection(jsTestName());
const kNumDocs = 5;
for (let i = 0; i < kNumDocs; i++) {
assert.commandWorked(coll.insert({x: i}));
}
const createIndexTS = assert.commandWorked(coll.createIndex({x: 1})).operationTime;
jsTestLog("Create index timestamp: " + tojson(createIndexTS));
const dropTS = assert.commandWorked(db.runCommand({drop: jsTestName()})).operationTime;
jsTestLog("Drop collection timestamp: " + tojson(dropTS));
// Instantiate a new collection without any shared state.
assert(checkLog.checkContainsWithCountJson(db, 6825401, {}, 0));
// Test that we can perform a point-in-time read from a drop pending table using an index.
let res = assert.commandWorked(db.runCommand({
find: jsTestName(),
hint: {x: 1},
readConcern: {level: "snapshot", atClusterTime: createIndexTS}
}));
assert.eq(kNumDocs, res.cursor.firstBatch.length);
// Instantiate a new collection without any shared state.
checkLog.containsJson(db, 6825401);
rst.stopSet();
})();
|
