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// 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]
t = db.find_and_modify3;
t.drop();
t.insert({_id: 0, other: 0, comments: [{i: 0, j: 0}, {i: 1, j: 1}]});
t.insert({
_id: 1,
other: 1,
comments: [{i: 0, j: 0}, {i: 1, j: 1}]
}); // this is the only one that gets modded
t.insert({_id: 2, other: 2, comments: [{i: 0, j: 0}, {i: 1, j: 1}]});
orig0 = t.findOne({_id: 0});
orig2 = t.findOne({_id: 2});
out = t.findAndModify({
query: {_id: 1, 'comments.i': 0},
update: {$set: {'comments.$.j': 2}},
'new': true,
sort: {other: 1}
});
assert.eq(out.comments[0], {i: 0, j: 2});
assert.eq(out.comments[1], {i: 1, j: 1});
assert.eq(t.findOne({_id: 0}), orig0);
assert.eq(t.findOne({_id: 2}), orig2);
out = t.findAndModify({
query: {other: 1, 'comments.i': 1},
update: {$set: {'comments.$.j': 3}},
'new': true,
sort: {other: 1}
});
assert.eq(out.comments[0], {i: 0, j: 2});
assert.eq(out.comments[1], {i: 1, j: 3});
assert.eq(t.findOne({_id: 0}), orig0);
assert.eq(t.findOne({_id: 2}), orig2);
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