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/**
* Tests operations on indexes with the maximum number of compound index fields, 32.
*
* @tags: [
* assumes_unsharded_collection,
* requires_non_retryable_writes,
* ]
*/
(function() {
const collName = jsTestName();
const coll = db[collName];
coll.drop();
// Create a spec with alternating ascending and descending fields to keep things interesting.
let spec = {};
for (let i = 0; i < 32; i++) {
spec["f" + i] = (i % 2 == 0) ? 1 : -1;
}
assert.commandWorked(coll.createIndex(spec));
assert.commandWorked(coll.insert({_id: 0}));
for (let i = 0; i < 32; i++) {
assert.commandWorked(coll.update({_id: 0}, {
$set: {['f' + i]: 1},
}));
}
for (let i = 0; i < 32; i++) {
assert.eq(1, coll.find({['f' + i]: 1}).hint(spec).itcount());
}
// Create an index that has one too many fields.
let bigSpec = Object.extend({'f32': -1}, spec);
assert.commandFailedWithCode(coll.createIndex(bigSpec), 13103);
coll.drop();
// Create a unique version of the same index from before.
assert.commandWorked(coll.createIndex(spec, {unique: true}));
let doc = {};
let doc2 = {};
for (let i = 0; i < 32; i++) {
doc['f' + i] = 1;
doc2['f' + i] = 2;
}
assert.commandWorked(coll.insert(doc));
assert.commandWorked(coll.insert(doc2));
for (let i = 0; i < 32; i++) {
let query = {['f' + i]: 1};
assert.eq(2, coll.find().hint(spec).itcount(), "failed on query: " + tojson(query));
}
})();
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