mongo/jstests/core/update_arraymatch8.js

// Cannot implicitly shard accessed collections because of following errmsg: A single
// update/delete on a sharded collection must contain an exact match on _id or contain the shard
// key.
// @tags: [assumes_unsharded_collection]

// Checking for positional array updates with either .$ or .0 at the end
// SERVER-7511

// array.$.name
t = db.jstests_update_arraymatch8;
t.drop();
t.ensureIndex({'array.name': 1});
t.insert({'array': [{'name': 'old'}]});
assert(t.findOne({'array.name': 'old'}));
t.update({'array.name': 'old'}, {$set: {'array.$.name': 'new'}});
assert(t.findOne({'array.name': 'new'}));
assert(!t.findOne({'array.name': 'old'}));

// array.$   (failed in 2.2.2)
t = db.jstests_update_arraymatch8;
t.drop();
t.ensureIndex({'array.name': 1});
t.insert({'array': [{'name': 'old'}]});
assert(t.findOne({'array.name': 'old'}));
t.update({'array.name': 'old'}, {$set: {'array.$': {'name': 'new'}}});
assert(t.findOne({'array.name': 'new'}));
assert(!t.findOne({'array.name': 'old'}));

// array.0.name
t = db.jstests_update_arraymatch8;
t.drop();
t.ensureIndex({'array.name': 1});
t.insert({'array': [{'name': 'old'}]});
assert(t.findOne({'array.name': 'old'}));
t.update({'array.name': 'old'}, {$set: {'array.0.name': 'new'}});
assert(t.findOne({'array.name': 'new'}));
assert(!t.findOne({'array.name': 'old'}));

// array.0   (failed in 2.2.2)
t = db.jstests_update_arraymatch8;
t.drop();
t.ensureIndex({'array.name': 1});
t.insert({'array': [{'name': 'old'}]});
assert(t.findOne({'array.name': 'old'}));
t.update({'array.name': 'old'}, {$set: {'array.0': {'name': 'new'}}});
assert(t.findOne({'array.name': 'new'}));
assert(!t.findOne({'array.name': 'old'}));

// // array.12.name
t = db.jstests_update_arraymatch8;
t.drop();
arr = new Array();
for (var i = 0; i < 20; i++) {
    arr.push({'name': 'old'});
}
t.ensureIndex({'array.name': 1});
t.insert({_id: 0, 'array': arr});
assert(t.findOne({'array.name': 'old'}));
t.update({_id: 0}, {$set: {'array.12.name': 'new'}});
// note: both documents now have to be in the array
assert(t.findOne({'array.name': 'new'}));
assert(t.findOne({'array.name': 'old'}));

// array.12   (failed in 2.2.2)
t = db.jstests_update_arraymatch8;
t.drop();
arr = new Array();
for (var i = 0; i < 20; i++) {
    arr.push({'name': 'old'});
}
t.ensureIndex({'array.name': 1});
t.insert({_id: 0, 'array': arr});
assert(t.findOne({'array.name': 'old'}));
t.update({_id: 0}, {$set: {'array.12': {'name': 'new'}}});
// note: both documents now have to be in the array
assert(t.findOne({'array.name': 'new'}));
assert(t.findOne({'array.name': 'old'}));

// array.$.123a.name
t = db.jstests_update_arraymatch8;
t.drop();
t.ensureIndex({'array.123a.name': 1});
t.insert({'array': [{'123a': {'name': 'old'}}]});
assert(t.findOne({'array.123a.name': 'old'}));
t.update({'array.123a.name': 'old'}, {$set: {'array.$.123a.name': 'new'}});
assert(t.findOne({'array.123a.name': 'new'}));
assert(!t.findOne({'array.123a.name': 'old'}));

// array.$.123a
t = db.jstests_update_arraymatch8;
t.drop();
t.ensureIndex({'array.name': 1});
t.insert({'array': [{'123a': {'name': 'old'}}]});
assert(t.findOne({'array.123a.name': 'old'}));
t.update({'array.123a.name': 'old'}, {$set: {'array.$.123a': {'name': 'new'}}});
assert(t.findOne({'array.123a.name': 'new'}));
assert(!t.findOne({'array.123a.name': 'old'}));

// array.0.123a.name
t = db.jstests_update_arraymatch8;
t.drop();
t.ensureIndex({'array.123a.name': 1});
t.insert({'array': [{'123a': {'name': 'old'}}]});
assert(t.findOne({'array.123a.name': 'old'}));
t.update({'array.123a.name': 'old'}, {$set: {'array.0.123a.name': 'new'}});
assert(t.findOne({'array.123a.name': 'new'}));
assert(!t.findOne({'array.123a.name': 'old'}));

// array.0.123a
t = db.jstests_update_arraymatch8;
t.drop();
t.ensureIndex({'array.name': 1});
t.insert({'array': [{'123a': {'name': 'old'}}]});
assert(t.findOne({'array.123a.name': 'old'}));
t.update({'array.123a.name': 'old'}, {$set: {'array.0.123a': {'name': 'new'}}});
assert(t.findOne({'array.123a.name': 'new'}));
assert(!t.findOne({'array.123a.name': 'old'}));

// a.0.b
t = db.jstests_update_arraymatch8;
t.drop();
t.ensureIndex({'a.0.b': 1});
t.insert({'a': [[{b: 'old'}]]});
assert(t.findOne({'a.0.0.b': 'old'}));
assert(t.findOne({'a.0.b': 'old'}));
t.update({}, {$set: {'a.0.0.b': 'new'}});
assert(t.findOne({'a.0.b': 'new'}));
assert(!t.findOne({'a.0.b': 'old'}));

// a.0.b.c
t = db.jstests_update_arraymatch8;
t.drop();
t.ensureIndex({'a.0.b.c': 1});
t.insert({'a': [{b: [{c: 'old'}]}]});
assert(t.findOne({'a.0.b.0.c': 'old'}));
assert(t.findOne({'a.b.0.c': 'old'}));
assert(t.findOne({'a.0.b.c': 'old'}));
assert(t.findOne({'a.b.c': 'old'}));
t.update({}, {$set: {'a.0.b.0.c': 'new'}});
assert(t.findOne({'a.0.b.c': 'new'}));
assert(!t.findOne({'a.0.b.c': 'old'}));

// a.b.$ref
t = db.jstests_update_arraymatch8;
t.drop();
t.ensureIndex({'a.b.$ref': 1});
t.insert({'a': [{'b': {'$ref': 'old', '$id': 0}}]});
assert(t.findOne({'a.b.$ref': 'old'}));
assert(t.findOne({'a.0.b.$ref': 'old'}));
t.update({}, {$set: {'a.0.b.$ref': 'new'}});
assert(t.findOne({'a.b.$ref': 'new'}));
assert(!t.findOne({'a.b.$ref': 'old'}));

// a.b and a-b
t = db.jstests_update_arraymatch8;
t.drop();
t.ensureIndex({'a.b': 1});
t.ensureIndex({'a-b': 1});
t.insert({'a': {'b': 'old'}});
assert(t.findOne({'a.b': 'old'}));
t.update({}, {$set: {'a': {'b': 'new'}}});
assert(t.findOne({'a.b': 'new'}));
assert(!t.findOne({'a.b': 'old'}));