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// @tags: [
// requires_fastcount,
// requires_getmore,
// requires_non_retryable_writes,
// # Uses $where operator
// requires_scripting,
// uses_multiple_connections,
// uses_parallel_shell,
// ]
(function() {
"use strict";
const t = db.cursora;
function run(n) {
if (!isNumber(n)) {
assert(isNumber(n), "cursora.js isNumber");
}
t.drop();
let bulk = t.initializeUnorderedBulkOp();
for (let i = 0; i < n; i++)
bulk.insert({_id: i});
assert.commandWorked(bulk.execute());
const join = startParallelShell("sleep(50);" +
"db.cursora.remove({});");
let num;
try {
let start = new Date();
num = t.find(function() {
let num = 2;
for (let x = 0; x < 1000; x++)
num += 2;
return num > 0;
})
.sort({_id: -1})
.itcount();
} catch (e) {
print("cursora.js FAIL " + e);
join();
throw e;
}
join();
assert.eq(0, t.count());
if (n == num)
print("cursora.js warning: shouldn't have counted all n: " + n + " num: " + num);
}
run(1500);
run(5000);
})();
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