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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, requires_fastcount]
t = db.update5;
function go(key) {
t.drop();
function check(num, name) {
assert.eq(1, t.find().count(), tojson(key) + " count " + name);
assert.eq(num, t.findOne().n, tojson(key) + " value " + name);
}
t.update(key, {$inc: {n: 1}}, true);
check(1, "A");
t.update(key, {$inc: {n: 1}}, true);
check(2, "B");
t.update(key, {$inc: {n: 1}}, true);
check(3, "C");
var ik = {};
for (k in key)
ik[k] = 1;
t.ensureIndex(ik);
t.update(key, {$inc: {n: 1}}, true);
check(4, "D");
}
go({a: 5});
go({a: 5});
go({a: 5, b: 7});
go({a: null, b: 7});
go({referer: 'blah'});
go({referer: 'blah', lame: 'bar'});
go({referer: 'blah', name: 'bar'});
go({date: null, referer: 'blah', name: 'bar'});
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