Files
mongo/jstests/core/sort5.js
2016-05-28 17:55:12 -04:00

38 lines
1.0 KiB
JavaScript

var t = db.sort5;
t.drop();
t.save({_id: 5, x: 1, y: {a: 5, b: 4}});
t.save({_id: 7, x: 2, y: {a: 7, b: 3}});
t.save({_id: 2, x: 3, y: {a: 2, b: 3}});
t.save({_id: 9, x: 4, y: {a: 9, b: 3}});
// test compound sorting
assert.eq([4, 2, 3, 1],
t.find().sort({"y.b": 1, "y.a": -1}).map(function(z) {
return z.x;
}),
"A no index");
t.ensureIndex({"y.b": 1, "y.a": -1});
assert.eq([4, 2, 3, 1],
t.find().sort({"y.b": 1, "y.a": -1}).map(function(z) {
return z.x;
}),
"A index");
assert(t.validate().valid, "A valid");
// test sorting on compound key involving _id
assert.eq([4, 2, 3, 1],
t.find().sort({"y.b": 1, _id: -1}).map(function(z) {
return z.x;
}),
"B no index");
t.ensureIndex({"y.b": 1, "_id": -1});
assert.eq([4, 2, 3, 1],
t.find().sort({"y.b": 1, _id: -1}).map(function(z) {
return z.x;
}),
"B index");
assert(t.validate().valid, "B valid");