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/**
* Tests explode for sort query planner behavior with collated queries and indexes. This is a test
* for SERVER-48993.
* @tags: [requires_find_command]
*/
(function() {
"use strict";
const testDB = db.getSiblingDB(jsTestName());
// Drop the test database.
assert.commandWorked(testDB.dropDatabase());
const coll = testDB.explode_for_sort;
// Executes a test case that creates an index, inserts documents, issues a find query on a
// collection and compares the results with the expected collection.
function executeQueryTestCase(testCase) {
jsTestLog(tojson(testCase));
// Create a collection.
coll.drop();
assert.commandWorked(testDB.createCollection(coll.getName()));
// Create an index.
assert.commandWorked(coll.createIndex(testCase.indexKeyPattern, testCase.indexOptions));
// Insert some documents into the collection.
assert.commandWorked(coll.insert(testCase.inputDocuments));
// Run a find query with optionally specified collation.
let cursor = coll.find(testCase.filter).sort(testCase.sort);
if (testCase.findCollation !== undefined) {
cursor = cursor.collation(testCase.findCollation);
}
const actualResults = cursor.toArray();
// Compare results to expected.
assert.eq(actualResults, testCase.expectedResults);
}
const standardInputDocuments =
[{_id: 0, a: 0, b: "CC"}, {_id: 1, a: 0, b: "AA"}, {_id: 2, a: 0, b: "bb"}];
const testCases = [
{
// Verifies that a non-collatable point-query on the prefix of the index key together with a
// sort on a suffix of the index key returns correct results when the index is a compound
// index with a non-simple collation and the query does not have an explicit collation.
indexKeyPattern: {a: 1, b: 1},
indexOptions: {collation: {locale: "en_US", strength: 1}},
filter: {a: 0},
sort: {b: 1},
inputDocuments: standardInputDocuments,
expectedResults: [{_id: 1, a: 0, b: "AA"}, {_id: 0, a: 0, b: "CC"}, {_id: 2, a: 0, b: "bb"}]
},
{
// Verifies that a non-collatable point-query on the prefix of the index key together with a
// sort on a suffix of the index key returns correct results when the index is a compound
// index with a non-simple collation and the query explicitly specifies the simple
// collation.
indexKeyPattern: {a: 1, b: 1},
indexOptions: {collation: {locale: "en_US", strength: 1}},
filter: {a: 0},
sort: {b: 1},
findCollation: {locale: "simple"},
inputDocuments: standardInputDocuments,
expectedResults: [{_id: 1, a: 0, b: "AA"}, {_id: 0, a: 0, b: "CC"}, {_id: 2, a: 0, b: "bb"}]
},
{
// Verifies that a non-collatable point-query on the prefix of the index key together with a
// sort on a suffix of the index key returns correct results when the index is a compound
// index with a simple collation and the query explicitly specifies a non-simple collation.
indexKeyPattern: {a: 1, b: 1},
filter: {a: 0},
sort: {b: 1},
findCollation: {locale: "en_US", strength: 1},
inputDocuments: standardInputDocuments,
expectedResults: [{_id: 1, a: 0, b: "AA"}, {_id: 2, a: 0, b: "bb"}, {_id: 0, a: 0, b: "CC"}]
},
{
// Verifies that a non-collatable point-query on the prefix of the index key together with a
// sort on a suffix of the index key returns correct results when the index is a compound
// index with a simple collation and the query explicitly specifies a non-simple collation.
indexKeyPattern: {a: 1, b: 1},
indexOptions: {collation: {locale: "simple"}},
filter: {a: 0},
sort: {b: 1},
findCollation: {locale: "en_US", strength: 1},
inputDocuments: standardInputDocuments,
expectedResults: [{_id: 1, a: 0, b: "AA"}, {_id: 2, a: 0, b: "bb"}, {_id: 0, a: 0, b: "CC"}]
},
{
// Verifies that a non-collatable point-query on the prefix of the index key together with a
// sort on a suffix of the index key returns correct results when the index is a compound
// index with a non-simple collation that is different from the query's.
indexKeyPattern: {a: 1, b: 1},
indexOptions: {collation: {locale: "en_US", strength: 5}},
filter: {a: 0},
sort: {b: 1},
findCollation: {locale: "en_US", strength: 1},
inputDocuments: standardInputDocuments,
expectedResults: [{_id: 1, a: 0, b: "AA"}, {_id: 2, a: 0, b: "bb"}, {_id: 0, a: 0, b: "CC"}]
},
{
// Verifies that a non-collatable point-query on the prefix of the index key, a collatable
// range-query on the suffix, and a sort on the suffix of the index key returns correct
// results when the index is a compound index with a non-simple collation and the query does
// not have an explicit collation.
indexKeyPattern: {a: 1, b: 1},
indexOptions: {collation: {locale: "en_US", strength: 1}},
filter: {a: 0, b: {$gte: 'A', $lt: 'D'}},
sort: {b: 1},
inputDocuments: standardInputDocuments,
expectedResults: [{_id: 1, a: 0, b: "AA"}, {_id: 0, a: 0, b: "CC"}]
},
{
// Verifies that a non-collatable point-query on the prefix of the index key, a collatable
// range-query and a sort on a prefix of a suffix of the index key returns correct results
// when the index is a compound index with a non-simple collation and the query does not
// have an explicit collation.
indexKeyPattern: {a: 1, b: 1, c: 1},
indexOptions: {collation: {locale: "en_US", strength: 1}},
filter: {a: 0, b: {$gte: 'A', $lt: 'D'}},
sort: {b: 1},
inputDocuments: standardInputDocuments,
expectedResults: [{_id: 1, a: 0, b: "AA"}, {_id: 0, a: 0, b: "CC"}]
},
{
// Verifies that a non-collatable multi-point query on the prefix of the index key, a
// collatable range-query on the suffix, and a sort on the suffix of the index key returns
// correct results when the index is a compound index with a non-simple collation and the
// query does not have an explicit collation.
indexKeyPattern: {a: 1, b: 1},
indexOptions: {collation: {locale: "en_US", strength: 1}},
filter: {a: {$in: [0, 2]}, b: {$gte: 'A', $lt: 'D'}},
sort: {b: 1},
inputDocuments: [
{_id: 0, a: 0, b: "CC"},
{_id: 1, a: 0, b: "AA"},
{_id: 2, a: 0, b: "bb"},
{_id: 3, a: 2, b: "BB"}
],
expectedResults: [{_id: 1, a: 0, b: "AA"}, {_id: 3, a: 2, b: "BB"}, {_id: 0, a: 0, b: "CC"}]
},
{
// Verifies that a non-collatable multi-point query on the prefix of the index key, a
// non-collatable range-query on the suffix, and a sort on the suffix of the index key
// returns correct results when the index is a compound index with a non-simple collation
// and the query does not have an explicit collation.
indexKeyPattern: {a: 1, b: 1},
indexOptions: {collation: {locale: "en_US", strength: 1}},
filter: {a: {$in: [0, 2]}, b: {$gte: 0, $lt: 10}},
sort: {b: 1},
inputDocuments: [
{_id: 0, a: 0, b: 6},
{_id: 1, a: 0, b: 10},
{_id: 2, a: 0, b: "bb"},
{_id: 3, a: 2, b: 5},
{_id: 4, a: 2, b: 4}
],
expectedResults: [{_id: 4, a: 2, b: 4}, {_id: 3, a: 2, b: 5}, {_id: 0, a: 0, b: 6}]
},
{
// Verifies that a non-collatable multi-point query on the prefix of the index key, a
// non-collatable range-query on the suffix, and a sort on the suffix of the index key
// returns correct results when the index is a compound index with a simple collation
// and the query explicitly specifies a non-simple collation.
indexKeyPattern: {a: 1, b: 1},
indexOptions: {collation: {locale: "simple"}},
filter: {a: {$in: [0, 2]}, b: {$gte: 0, $lt: 10}},
sort: {b: 1},
findCollation: {locale: "en_US", strength: 1},
inputDocuments: [
{_id: 0, a: 0, b: 6},
{_id: 1, a: 0, b: 10},
{_id: 2, a: 0, b: "bb"},
{_id: 3, a: 2, b: 5},
{_id: 4, a: 2, b: 4}
],
expectedResults: [{_id: 4, a: 2, b: 4}, {_id: 3, a: 2, b: 5}, {_id: 0, a: 0, b: 6}]
},
{
// Verifies that a non-collatable point-query on the prefix of the index key, a
// non-collatable range-query on the suffix, and a sort on the suffix of the index key
// returns correct results when the index is a compound index with a non-simple collation
// and the query does not have an explicit collation.
indexKeyPattern: {a: 1, b: 1},
indexOptions: {collation: {locale: "en_US", strength: 1}},
filter: {a: 0, b: {$gte: 0, $lt: 10}},
sort: {b: 1},
inputDocuments: [
{_id: 0, a: 0, b: 6},
{_id: 1, a: 0, b: 5},
{_id: 2, a: 0, b: "bb"},
{_id: 3, a: 0, b: 4}
],
expectedResults: [{_id: 3, a: 0, b: 4}, {_id: 1, a: 0, b: 5}, {_id: 0, a: 0, b: 6}]
}
];
testCases.forEach(executeQueryTestCase);
}());
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