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// @tags: [does_not_support_stepdowns, requires_profiling]
//
// Tests that profiled $lookups contain the correct namespace and that Top is updated accordingly.
(function() {
"use strict";
const localColl = db.local;
const foreignColl = db.foreign;
localColl.drop();
foreignColl.drop();
assert.commandWorked(localColl.insert([{a: 1}, {b: 1}, {a: 2}]));
assert.commandWorked(foreignColl.insert({a: 1}));
db.system.profile.drop();
db.setProfilingLevel(2);
let oldTop = db.adminCommand("top");
localColl.aggregate(
[{$lookup: {from: foreignColl.getName(), as: "res", localField: "a", foreignField: "a"}}]);
db.setProfilingLevel(0);
// Confirm that namespace is the local rather than foreign collection.
let profileDoc = db.system.profile.findOne();
assert.eq("test.local", profileDoc.ns);
// Confirm that the local collection had one command added to Top.
let newTop = db.adminCommand("top");
assert.eq(1,
newTop.totals[localColl.getFullName()].commands.count -
oldTop.totals[localColl.getFullName()].commands.count);
// Confirm that for each document in local, the foreign collection had one entry added to Top.
assert.eq(3,
newTop.totals[foreignColl.getFullName()].commands.count -
oldTop.totals[foreignColl.getFullName()].commands.count);
}());
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