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/**
* Tests creating and using ascending and descending indexes on time-series measurement fields.
*
* @tags: [
* does_not_support_stepdowns,
* does_not_support_transactions,
* requires_fcv_50,
* requires_fcv_51,
* requires_find_command,
* requires_getmore,
* ]
*/
(function() {
"use strict";
load("jstests/core/timeseries/libs/timeseries.js");
load("jstests/libs/fixture_helpers.js");
if (!TimeseriesTest.timeseriesMetricIndexesEnabled(db.getMongo())) {
jsTestLog(
"Skipped test as the featureFlagTimeseriesMetricIndexes feature flag is not enabled.");
return;
}
TimeseriesTest.run((insert) => {
const collName = "timeseries_metric_index_ascending_descending";
const timeFieldName = "tm";
const metaFieldName = "mm";
// Unique metadata values to create separate buckets.
const firstDoc = {_id: 0, [timeFieldName]: ISODate(), [metaFieldName]: {tag: "a"}, x: 1};
const secondDoc = {_id: 1, [timeFieldName]: ISODate(), [metaFieldName]: {tag: "b"}, x: 2};
const thirdDoc = {_id: 2, [timeFieldName]: ISODate(), [metaFieldName]: {tag: "c"}, "x.y": 3};
const fourthDoc = {_id: 3, [timeFieldName]: ISODate(), [metaFieldName]: {tag: "d"}, x: {y: 4}};
const setup = function(keyForCreate) {
const coll = db.getCollection(collName);
const bucketsColl = db.getCollection("system.buckets." + collName);
coll.drop();
jsTestLog("Setting up collection: " + coll.getFullName() +
" with index: " + tojson(keyForCreate));
assert.commandWorked(db.createCollection(
coll.getName(), {timeseries: {timeField: timeFieldName, metaField: metaFieldName}}));
const numUserIndexesBefore = coll.getIndexes().length;
const numBucketIndexesBefore = bucketsColl.getIndexes().length;
// Insert data on the time-series collection and index it.
assert.commandWorked(insert(coll, firstDoc), "failed to insert doc: " + tojson(firstDoc));
assert.commandWorked(insert(coll, secondDoc), "failed to insert doc: " + tojson(secondDoc));
assert.commandWorked(insert(coll, thirdDoc), "failed to insert doc: " + tojson(thirdDoc));
assert.commandWorked(insert(coll, fourthDoc), "failed to insert doc: " + tojson(fourthDoc));
assert.commandWorked(coll.createIndex(keyForCreate),
"failed to create index: " + tojson(keyForCreate));
assert.eq(numUserIndexesBefore + 1, coll.getIndexes().length);
assert.eq(numBucketIndexesBefore + 1, bucketsColl.getIndexes().length);
};
const testHint = function(indexName) {
const coll = db.getCollection(collName);
const bucketsColl = db.getCollection("system.buckets." + collName);
// Tests hint() using the index name.
assert.eq(4, bucketsColl.find().hint(indexName).toArray().length);
assert.eq(4, coll.find().hint(indexName).toArray().length);
// Tests that hint() cannot be used when the index is hidden.
assert.commandWorked(coll.hideIndex(indexName));
assert.commandFailedWithCode(
assert.throws(() => bucketsColl.find().hint(indexName).toArray()), ErrorCodes.BadValue);
assert.commandFailedWithCode(assert.throws(() => coll.find().hint(indexName).toArray()),
ErrorCodes.BadValue);
assert.commandWorked(coll.unhideIndex(indexName));
};
const coll = db.getCollection(collName);
const bucketsColl = db.getCollection("system.buckets." + collName);
// Test a simple ascending index.
setup({x: 1});
let userIndexes = coll.getIndexes();
assert.eq({x: 1}, userIndexes[userIndexes.length - 1].key);
let bucketIndexes = bucketsColl.getIndexes();
assert.eq({"control.min.x": 1, "control.max.x": 1},
bucketIndexes[bucketIndexes.length - 1].key);
testHint(bucketIndexes[bucketIndexes.length - 1].name);
// Drop index by key pattern.
assert.commandWorked(coll.dropIndex({x: 1}));
bucketIndexes = bucketsColl.getIndexes();
// Test a simple descending index.
setup({x: -1});
userIndexes = coll.getIndexes();
assert.eq({x: -1}, userIndexes[userIndexes.length - 1].key);
bucketIndexes = bucketsColl.getIndexes();
let bucketIndex = bucketIndexes[bucketIndexes.length - 1];
assert.eq({"control.max.x": -1, "control.min.x": -1}, bucketIndex.key);
testHint(bucketIndex.name);
assert.commandWorked(coll.dropIndex(bucketIndex.name));
bucketIndexes = bucketsColl.getIndexes();
// Test an index on dotted and sub document fields.
setup({"x.y": 1});
userIndexes = coll.getIndexes();
assert.eq({"x.y": 1}, userIndexes[userIndexes.length - 1].key);
bucketIndexes = bucketsColl.getIndexes();
bucketIndex = bucketIndexes[bucketIndexes.length - 1];
assert.eq({"control.min.x.y": 1, "control.max.x.y": 1}, bucketIndex.key);
testHint(bucketIndex.name);
assert.commandWorked(coll.dropIndex(bucketIndex.name));
bucketIndexes = bucketsColl.getIndexes();
// Test bad input.
assert.commandFailedWithCode(coll.createIndex({x: "abc"}), ErrorCodes.CannotCreateIndex);
assert.commandFailedWithCode(coll.createIndex({x: {y: 1}}), ErrorCodes.CannotCreateIndex);
assert.commandFailedWithCode(coll.createIndex({x: true}), ErrorCodes.CannotCreateIndex);
// Test bad data.
assert.commandWorked(coll.createIndex({"x.y": 1}));
const docsWithArrays = [
{_id: 4, [timeFieldName]: ISODate(), [metaFieldName]: {tag: "d"}, x: {y: [true]}},
{_id: 5, [timeFieldName]: ISODate(), [metaFieldName]: {tag: "d"}, x: [{y: false}]}
];
assert.commandFailedWithCode(coll.insert(docsWithArrays[0]), 5930501);
assert.commandFailedWithCode(coll.insert(docsWithArrays[1]), 5930501);
assert.commandWorked(coll.dropIndex({"x.y": 1}));
// Create indexes on the buckets collection that do not map to any user indexes. The server must
// not crash when handling the reverse mapping of these.
assert.commandWorked(bucketsColl.createIndex({"control.min.x.y": 1}));
assert.commandWorked(bucketsColl.createIndex({"control.min.x.y": 1, "control.min.y.x": 1}));
assert.commandWorked(bucketsColl.createIndex({"control.max.x.y": 1}));
assert.commandWorked(bucketsColl.createIndex({"control.max.x.y": 1, "control.max.y.x": 1}));
assert.commandWorked(bucketsColl.createIndex({"control.max.x.y": 1, "control.min.x.y": 1}));
assert.commandWorked(bucketsColl.createIndex({"control.min.x.y": -1, "control.max.x.y": 1}));
assert.commandWorked(bucketsColl.createIndex({"control.min.x.y": -1, "control.max.x.y": -1}));
assert.commandWorked(bucketsColl.createIndex({"control.max.x.y": 1, "control.min.x.y": -1}));
assert.commandWorked(bucketsColl.createIndex({"data.x": 1}));
assert.commandWorked(bucketsColl.createIndex({"control.min.x.y": 1, "data.x": 1}));
assert.commandWorked(bucketsColl.createIndex({"data.x": 1, "control.min.x.y": 1}));
// The first two-thirds of the below compound indexes represent {"x.y" : 1} and {"x.y" : -1}.
assert.commandWorked(
bucketsColl.createIndex({"control.min.x.y": 1, "control.max.x.y": 1, "data.x": 1}));
assert.commandWorked(
bucketsColl.createIndex({"control.max.x.y": -1, "control.min.x.y": -1, "data.x": 1}));
if (FixtureHelpers.isSharded(bucketsColl)) {
// There are more indexes for sharded collections because it includes the shard key index.
userIndexes = coll.getIndexes();
assert.eq(1, userIndexes.length);
bucketIndexes = bucketsColl.getIndexes();
assert.eq(14, bucketIndexes.length);
} else {
userIndexes = coll.getIndexes();
assert.eq(0, userIndexes.length);
bucketIndexes = bucketsColl.getIndexes();
assert.eq(13, bucketIndexes.length);
}
});
}());
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