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// Test that the plan summary string appears in db.currentOp() for count operations. SERVER-14064.
//
// @tags: [
// # This test attempts to perform a find command and find it using the currentOp command. The
// # former operation may be routed to a secondary in the replica set, whereas the latter must be
// # routed to the primary.
// assumes_read_preference_unchanged,
// does_not_support_stepdowns,
// ]
var t = db.jstests_count_plan_summary;
t.drop();
for (var i = 0; i < 1000; i++) {
t.insert({x: 1});
}
// Mock a long-running count operation by sleeping for each of
// the documents in the collection.
var awaitShell =
startParallelShell("db.jstests_count_plan_summary.find({x: 1, $where: 'sleep(100)'}).count()");
// Find the count op in db.currentOp() and check for the plan summary.
assert.soon(function() {
var current = db.currentOp({ns: t.getFullName(), "command.count": t.getName()});
assert("inprog" in current);
if (current.inprog.length === 0) {
print("Did not find count op. db.currentOp() output:");
printjson(current);
return false;
}
// There are no indices, so the plan summary should be a collscan.
var countOp = current.inprog[0];
if (!("planSummary" in countOp)) {
print("count op does not yet contain planSummary:");
printjson(countOp);
return false;
}
// There are no indices, so the planSummary should be "COLLSCAN".
print("Found count op with planSummary:");
printjson(countOp);
assert.eq("COLLSCAN", countOp.planSummary, "wrong planSummary string");
// Kill the op so that the test won't run for a long time.
db.killOp(countOp.opid);
return true;
});
var exitCode = awaitShell({checkExitSuccess: false});
assert.neq(0, exitCode, "expected shell to exit abnormally due to JS execution being terminated");
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