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/**
* Tests $or queries which can be answered with a SORT_MERGE stage using a non-default collation
* with numeric ordering.
* @tags: [
* assumes_no_implicit_collection_creation_after_drop,
* ]
*/
(function() {
"use strict";
load("jstests/libs/analyze_plan.js");
const numericOrdering = {
collation: {locale: "en_US", numericOrdering: true}
};
const coll = db.sort_merge_collation;
coll.drop();
assert.commandWorked(db.createCollection(coll.getName(), numericOrdering));
assert.commandWorked(
coll.createIndex({filterFieldA: 1, sortFieldA: 1, sortFieldB: 1}, numericOrdering));
assert.commandWorked(
coll.createIndex({filterFieldA: 1, sortFieldA: -1, sortFieldB: -1}, numericOrdering));
assert.commandWorked(coll.createIndex({sortFieldA: 1, sortFieldB: 1}, numericOrdering));
assert.commandWorked(coll.insert([
{filterFieldA: "1", filterFieldB: "1", sortFieldA: "18", sortFieldB: "11"},
{filterFieldA: "2", filterFieldB: "2", sortFieldA: "2", sortFieldB: "13"},
{filterFieldA: "3", filterFieldB: "3", sortFieldA: "13", sortFieldB: "7"},
{filterFieldA: "4", filterFieldB: "4", sortFieldA: "7", sortFieldB: "4"},
{filterFieldA: "5", filterFieldB: "5", sortFieldA: "14", sortFieldB: "10"},
{filterFieldA: "1", filterFieldB: "1", sortFieldA: "4", sortFieldB: "12"},
{filterFieldA: "2", filterFieldB: "2", sortFieldA: "11", sortFieldB: "8"},
{filterFieldA: "3", filterFieldB: "3", sortFieldA: "9", sortFieldB: "5"},
{filterFieldA: "4", filterFieldB: "4", sortFieldA: "10", sortFieldB: "14"},
{filterFieldA: "5", filterFieldB: "5", sortFieldA: "1", sortFieldB: "18"},
{filterFieldA: "1", filterFieldB: "1", sortFieldA: "18", sortFieldB: "6"},
{filterFieldA: "2", filterFieldB: "2", sortFieldA: "2", sortFieldB: "3"},
{filterFieldA: "3", filterFieldB: "3", sortFieldA: "13", sortFieldB: "19"},
{filterFieldA: "4", filterFieldB: "4", sortFieldA: "7", sortFieldB: "15"},
{filterFieldA: "5", filterFieldB: "5", sortFieldA: "14", sortFieldB: "1"},
{filterFieldA: "1", filterFieldB: "1", sortFieldA: "4", sortFieldB: "0"},
{filterFieldA: "2", filterFieldB: "2", sortFieldA: "11", sortFieldB: "17"},
{filterFieldA: "3", filterFieldB: "3", sortFieldA: "9", sortFieldB: "16"},
{filterFieldA: "4", filterFieldB: "4", sortFieldA: "10", sortFieldB: "9"},
{filterFieldA: "5", filterFieldB: "5", sortFieldA: "1", sortFieldB: "2"},
]));
function isSorted(array, lessThanFunction) {
for (let i = 1; i < array.length; ++i) {
if (lessThanFunction(array[i], array[i - 1])) {
return false;
}
}
return true;
}
function runTest(sorts, filters) {
for (let sortInfo of sorts) {
for (let filter of filters) {
// Verify that the sort/filter combination produces a SORT_MERGE plan.
const explain = coll.find(filter).sort(sortInfo.sortPattern).explain("queryPlanner");
const sortMergeStages = getPlanStages(explain, "SORT_MERGE");
assert.gt(sortMergeStages.length, 0, explain);
// Check that the results are in order.
let res = coll.find(filter).sort(sortInfo.sortPattern).toArray();
assert(isSorted(res, sortInfo.cmpFunction),
() => "Assertion failed for filter: " + filter + "\n" +
"sort pattern " + sortInfo.sortPattern);
// Check that there are no duplicates.
let ids = new Set();
for (let doc of res) {
assert(!ids.has(doc._id), () => "Duplicate _id: " + tojson(_id));
ids.add(doc._id);
}
}
}
}
const kSorts = [
{
sortPattern: {sortFieldA: 1},
cmpFunction: (docA, docB) => parseInt(docA.sortFieldA) < parseInt(docB.sortFieldA)
},
{
sortPattern: {sortFieldA: -1},
cmpFunction: (docA, docB) => parseInt(docA.sortFieldA) > parseInt(docB.sortFieldA)
},
{
sortPattern: {sortFieldA: 1, sortFieldB: 1},
cmpFunction: (docA, docB) => parseInt(docA.sortFieldA) < parseInt(docB.sortFieldA) ||
(parseInt(docA.sortFieldA) == parseInt(docB.sortFieldA) &&
parseInt(docA.sortFieldB) < parseInt(docB.sortFieldB))
},
{
sortPattern: {sortFieldA: -1, sortFieldB: -1},
cmpFunction: (docA, docB) => parseInt(docA.sortFieldA) > parseInt(docB.sortFieldA) ||
(parseInt(docA.sortFieldA) == parseInt(docB.sortFieldA) &&
parseInt(docA.sortFieldB) > parseInt(docB.sortFieldB))
},
];
// Cases where the children of the $or all require a FETCH.
(function testFetchedChildren() {
const kFilterPredicates = [
// $or with two children.
{$or: [{filterFieldA: "4", filterFieldB: "4"}, {filterFieldA: "3", filterFieldB: "3"}]},
// $or with three children.
{
$or: [
{filterFieldA: "4", filterFieldB: "4"},
{filterFieldA: "3", filterFieldB: "3"},
{filterFieldA: "1", filterFieldB: "1"}
]
},
// $or with four children.
{
$or: [
{filterFieldA: "4", filterFieldB: "4"},
{filterFieldA: "3", filterFieldB: "3"},
{filterFieldA: "2", filterFieldB: "2"},
{filterFieldA: "1", filterFieldB: "1"}
]
},
];
runTest(kSorts, kFilterPredicates);
})();
// Cases where the children of the $or are IXSCANs.
(function testUnfetchedChildren() {
const kFilterPredicates = [
// $or with two children.
{$or: [{sortFieldA: "4", sortFieldB: "4"}, {sortFieldA: "3", sortFieldB: "3"}]},
// $or with three children.
{
$or: [
{sortFieldA: "4", sortFieldB: "4"},
{sortFieldA: "3", sortFieldB: "3"},
{sortFieldA: "7", sortFieldB: "4"}
]
},
// $or with four children.
{
$or: [
{sortFieldA: "4", sortFieldB: "4"},
{sortFieldA: "3", sortFieldB: "3"},
{sortFieldA: "7", sortFieldB: "4"},
{sortFieldA: "10", sortFieldB: "9"}
]
},
];
runTest(kSorts, kFilterPredicates);
})();
})();
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