mongo/jstests/query_golden/inclusion_projection.js

41 lines
1.3 KiB
JavaScript

/**
* Tests simple inclusion projections. Note that there is overlap in coverage with
* jstests/cqf/projection.js; both tests will exist pending a decision about the future of golden
* jstesting for CQF.
*/
import {
getIdProjectionDocs,
getProjectionDocs,
runProjectionsAgainstColl,
} from "jstests/query_golden/libs/projection_helpers.js";
const coll = db.cqf_inclusion_project;
const inclusionProjSpecs = [
{a: 1},
{a: 1, _id: 1},
{a: 1, _id: 0},
{a: 1, x: 1},
{"a.b": 1},
{"a.b": 1, _id: 0},
{"a.b": 1, "a.c": 1},
{"a.b.c": 1},
{"a.b.c": 1, _id: 0},
{"a.b.c": 1, "a.b.d": 1},
// This syntax is permitted and equivalent to the dotted notation.
{a: {b: 1}},
// A mix of dotted syntax and nested syntax is permitted as well.
{a: {"b.c": {d: 1, e: 1}}},
];
const indexes = [{"a": 1}, {"a": -1}, {"a.b": 1}, {"a.b": 1, "a.c": 1}, {"a.b.c": 1}];
runProjectionsAgainstColl(coll, getProjectionDocs(), indexes, inclusionProjSpecs);
// Show that inclusion of subpaths of _id is not special; it works the same way.
// Test without indexes this time.
const idInclusionProjSpecs = [{_id: 1}, {"_id.a": 1}, {"_id.a": 1, "_id.b": 1}, {"_id.a.b": 1}];
const idIndexes = [{"_id.a": 1}, {"_id.a": 1, "_id.b": 1}, {"_id.a.b": 1}];
runProjectionsAgainstColl(coll, getIdProjectionDocs(), idIndexes, idInclusionProjSpecs);