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(function() {
"use strict";
load('jstests/aggregation/extras/utils.js'); // For assertArrayEq.
load("jstests/libs/optimizer_utils.js"); // For checkCascadesOptimizerEnabled.
if (!checkCascadesOptimizerEnabled(db)) {
jsTestLog("Skipping test because the optimizer is not enabled");
return;
}
const t = db.cqf_agg_expr;
{
t.drop();
assert.commandWorked(t.insert({a: "a1", b: "b1", c: "c1"}));
const res =
t.aggregate([{$project: {concat: {$concat: ["$a", " - ", "$b", " - ", "$c"]}}}]).toArray();
assert.eq(1, res.length);
assert.eq("a1 - b1 - c1", res[0].concat);
}
{
t.drop();
assert.commandWorked(t.insert({a: 5, b: 10, c: 20, d: 25, e: -5, f: 2.4}));
const res = t.aggregate([{
$project: {
res1: {$divide: ["$a", "$b"]},
res2: {$divide: ["$c", "$a"]},
res3: {$mod: ["$d", "$b"]},
res4: {$abs: "$e"},
res5: {$floor: "$f"},
res6: {$ceil: {$ln: "$d"}}
}
}]).toArray();
assert.eq(1, res.length);
assert.eq(0.5, res[0].res1);
assert.eq(4, res[0].res2);
assert.eq(5, res[0].res3);
assert.eq(5, res[0].res4);
assert.eq(2, res[0].res5);
assert.eq(4, res[0].res6);
}
{
t.drop();
assert.commandWorked(t.insert({a: 1, b: [{c: 2}, {c: 3}]}));
assert.commandWorked(t.insert({a: 1, b: [[{c: 2}, {c: 3}]]}));
const res = t.aggregate([{$project: {a: "$b.c"}}]).toArray();
assert.eq(2, res.length);
assert.eq([2, 3], res[0].a);
// TODO: SERVER-67153: Clarify behavior of array traversal in agg expression.
assert.eq([[2, 3]], res[1].a);
}
{
t.drop();
assert.commandWorked(t.insert({_id: 0, a: {b: 1}}));
assert.commandWorked(t.insert({_id: 1, a: [{b: 1}]}));
assert.commandWorked(t.insert({_id: 2, a: [[{b: 1}]]}));
assert.commandWorked(t.insert({_id: 3, a: {b: [1]}}));
assert.commandWorked(t.insert({_id: 4, a: [{b: [1]}]}));
assert.commandWorked(t.insert({_id: 5, a: [[{b: [1]}]]}));
{
const res = t.aggregate([{$match: {$expr: {$eq: ['$a.b', 1]}}}]).toArray();
assert.eq(1, res.length);
assert.eq({b: 1}, res[0].a);
}
{
const res = t.aggregate([{$match: {$expr: {$eq: ['$a.b', [1]]}}}]).toArray();
assertArrayEq({actual: res, expected: [{_id: 1, a: [{b: 1}]}, {_id: 3, a: {b: [1]}}]});
}
}
}());
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