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(function() {
"use strict";
load("jstests/libs/optimizer_utils.js"); // For checkCascadesOptimizerEnabled.
if (!checkCascadesOptimizerEnabled(db)) {
jsTestLog("Skipping test because the optimizer is not enabled");
return;
}
const coll = db.cqf_basic_find;
coll.drop();
assert.commandWorked(
coll.insert([{a: {b: 1}}, {a: {b: 2}}, {a: {b: 3}}, {a: {b: 4}}, {a: {b: 5}}, {'': 3}]));
const extraDocCount = 50;
// Add extra docs to make sure indexes can be picked.
for (let i = 0; i < extraDocCount; i++) {
assert.commandWorked(coll.insert({a: {b: i + 10}}));
}
assert.commandWorked(coll.createIndex({'a.b': 1}));
let res = coll.explain("executionStats").find({'a.b': 2}).finish();
assert.eq(1, res.executionStats.nReturned);
assertValueOnPlanPath("IndexScan", res, "child.leftChild.nodeType");
res = coll.explain("executionStats").find({'a.b': {$gt: 2}}).finish();
assert.eq(3 + extraDocCount, res.executionStats.nReturned);
assertValueOnPlanPath("PhysicalScan", res, "child.child.nodeType");
res = coll.explain("executionStats").find({'a.b': {$gte: 2}}).finish();
assert.eq(4 + extraDocCount, res.executionStats.nReturned);
assertValueOnPlanPath("PhysicalScan", res, "child.child.nodeType");
res = coll.explain("executionStats").find({'a.b': {$lt: 2}}).finish();
assert.eq(1, res.executionStats.nReturned);
assertValueOnPlanPath("IndexScan", res, "child.leftChild.nodeType");
res = coll.explain("executionStats").find({'a.b': {$lte: 2}}).finish();
assert.eq(2, res.executionStats.nReturned);
assertValueOnPlanPath("IndexScan", res, "child.leftChild.nodeType");
res = coll.explain("executionStats").find({'': {$gt: 2}}).finish();
assert.eq(1, res.executionStats.nReturned);
assertValueOnPlanPath("PhysicalScan", res, "child.child.nodeType");
}());
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