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/**
* Test ensures that users can specify non-default collation when querying on time-series
* collections.
*
* @tags: [
* requires_non_retryable_writes,
* requires_pipeline_optimization,
* does_not_support_stepdowns,
* multiversion_incompatible,
* # Explain of a resolved view must be executed by mongos.
* directly_against_shardsvrs_incompatible,
* # We need a timeseries collection.
* requires_timeseries,
* ]
*/
(function() {
"use strict";
load("jstests/libs/analyze_plan.js");
const coll = db.timeseries_nondefault_collation;
const bucketsColl = db.getCollection('system.buckets.' + coll.getName());
coll.drop(); // implicitly drops bucketsColl.
const timeFieldName = 'time';
const metaFieldName = 'meta';
const numericOrdering = {
collation: {locale: "en_US", numericOrdering: true}
};
const caseSensitive = {
collation: {locale: "en_US", strength: 1, caseLevel: true, numericOrdering: true}
};
const diacriticSensitive = {
collation: {locale: "en_US", strength: 2}
};
const englishCollation = {
locale: 'en',
strength: 1
};
const simpleCollation = {
locale: "simple"
};
assert.commandWorked(db.createCollection(coll.getName(), {
timeseries: {timeField: timeFieldName, metaField: metaFieldName},
collation: englishCollation
}));
assert.contains(bucketsColl.getName(), db.getCollectionNames());
assert.commandWorked(
coll.insert({[timeFieldName]: ISODate(), [metaFieldName]: "1", name: 'A', name2: "á"}));
assert.commandWorked(
coll.insert({[timeFieldName]: ISODate(), [metaFieldName]: "2", name: 'a', name2: "á"}));
assert.commandWorked(
coll.insert({[timeFieldName]: ISODate(), [metaFieldName]: "5", name: 'A', name2: "á"}));
assert.commandWorked(
coll.insert({[timeFieldName]: ISODate(), [metaFieldName]: "10", name: 'a', name2: "á"}));
assert.commandWorked(
coll.insert({[timeFieldName]: ISODate(), [metaFieldName]: "20", name: 'A', name2: "a"}));
assert.commandWorked(
coll.insert({[timeFieldName]: ISODate(), [metaFieldName]: "50", name: 'B', name2: "a"}));
assert.commandWorked(
coll.insert({[timeFieldName]: ISODate(), [metaFieldName]: "100", name: 'b', name2: "a"}));
assert.commandWorked(
coll.insert({[timeFieldName]: ISODate(), [metaFieldName]: "200", name: 'B', name2: "a"}));
assert.commandWorked(
coll.insert({[timeFieldName]: ISODate(), [metaFieldName]: "500", name: 'b', name2: "a"}));
// Default collation is case and diacretic insensitive.
assert.eq(2, coll.aggregate([{$sortByCount: "$name"}]).itcount());
assert.eq(1, coll.aggregate([{$sortByCount: "$name2"}]).itcount());
// Test that a explicit collation different from collection's default passes for a timeseries
// collection.
let results =
coll.aggregate([{$bucket: {groupBy: "$meta", boundaries: ["1", "10", "100", "1000"]}}],
numericOrdering)
.toArray();
assert.eq(3, results.length);
assert.eq({_id: "1", count: 3}, results[0]);
assert.eq({_id: "10", count: 3}, results[1]);
assert.eq({_id: "100", count: 3}, results[2]);
assert.eq(4, coll.aggregate([{$sortByCount: "$name"}], caseSensitive).itcount());
assert.eq(2, coll.aggregate([{$sortByCount: "$name2"}], diacriticSensitive).itcount());
coll.drop();
const defaultCollation = {
locale: "en",
numericOrdering: true,
caseLevel: true,
strength: 2
};
assert.commandWorked(db.createCollection(coll.getName(), {
timeseries: {timeField: timeFieldName, metaField: metaFieldName},
collation: defaultCollation
}));
assert.contains(bucketsColl.getName(), db.getCollectionNames());
assert.commandWorked(coll.createIndex({[metaFieldName]: 1}, {collation: {locale: "simple"}}));
assert.commandWorked(coll.insert(
{[timeFieldName]: ISODate(), [metaFieldName]: 1, name: 'A', name2: "á", value: "1"}));
assert.commandWorked(coll.insert(
{[timeFieldName]: ISODate(), [metaFieldName]: 2, name: 'a', name2: "á", value: "11"}));
assert.commandWorked(coll.insert(
{[timeFieldName]: ISODate(), [metaFieldName]: 1, name: 'A', name2: "á", value: "50"}));
assert.commandWorked(coll.insert(
{[timeFieldName]: ISODate(), [metaFieldName]: 1, name: 'a', name2: "á", value: "100"}));
assert.commandWorked(coll.insert(
{[timeFieldName]: ISODate(), [metaFieldName]: "2", name: 'A', name2: "a", value: "3"}));
assert.commandWorked(coll.insert(
{[timeFieldName]: ISODate(), [metaFieldName]: "5", name: 'B', name2: "a", value: "-100"}));
assert.commandWorked(coll.insert(
{[timeFieldName]: ISODate(), [metaFieldName]: "1", name: 'b', name2: "a", value: "-200"}));
assert.commandWorked(coll.insert(
{[timeFieldName]: ISODate(), [metaFieldName]: "2", name: 'B', name2: "a", value: "1000"}));
assert.commandWorked(coll.insert(
{[timeFieldName]: ISODate(), [metaFieldName]: "5", name: 'b', name2: "a", value: "4"}));
// This collection has been created using non simple collation. The collection was then indexed on
// its metadata using simple collation. These tests confirm that queries on the indexed field using
// nondefault (simple) collation use the index. They also confirm that queries that don't involve
// strings but do use default collation, on indexed fields, also use the index.
const nonDefaultCollationQuery = coll.find({meta: 2}).collation(englishCollation).explain();
assert(aggPlanHasStage(nonDefaultCollationQuery, "IXSCAN"), nonDefaultCollationQuery);
const simpleNonDefaultCollationQuery = coll.find({meta: 2}).collation(simpleCollation).explain();
assert(aggPlanHasStage(simpleNonDefaultCollationQuery, "IXSCAN"), simpleNonDefaultCollationQuery);
const defaultCollationQuery = coll.find({meta: 1}).collation(defaultCollation).explain();
assert(aggPlanHasStage(defaultCollationQuery, "IXSCAN"), defaultCollationQuery);
// This test guarantees that the bucket's min/max matches the query's min/max regardless of
// collation.
results = coll.find({value: {$gt: "4"}}).collation(simpleCollation);
assert.eq(1, results.itcount());
}());
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