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
|
/**
* Verify the error behavior of '$$SEARCH_META' when it is not properly configured. $$SEARCH_META
* throws if used in aggregations on sharded collections. Don't change read preference to avoid
* having to check topology and set the 'enableSearchMeta' flag on secondary nodes.
* @tags: [
* assumes_unsharded_collection,
* assumes_read_preference_unchanged,
* assumes_read_concern_unchanged,
* ]
*/
(function() {
"use strict";
load('jstests/libs/fixture_helpers.js'); // for runCommandOnEachPrimary.
FixtureHelpers.runCommandOnEachPrimary(
{db: db.getSiblingDB("admin"), cmdObj: {setParameter: 1, enableSearchMeta: true}});
const coll = db.searchCollector;
coll.drop();
assert.commandWorked(coll.insert({"_id": 1, "title": "cakes"}));
// Check that a query without a search stage gets a missing value if SEARCH_META is accessed.
const result = coll.aggregate([{$project: {_id: 1, meta: "$$SEARCH_META"}}]).toArray();
assert.eq(result.length, 1);
assert.eq(result[0], {_id: 1});
// Check that users cannot assign values to SEARCH_META.
assert.commandFailedWithCode(db.runCommand({
aggregate: coll.getName(),
pipeline: [
{$lookup: {from: coll.getName(), let : {SEARCH_META: "$title"}, as: "joined", pipeline: []}}
],
cursor: {}
}),
16867);
})();
|
