75 lines
2.8 KiB
JavaScript
75 lines
2.8 KiB
JavaScript
/**
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* Tests that we can create background (and foreground) indexes that are multikey.
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* @tags: [
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* # Uses index building in background
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* requires_background_index,
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* ]
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*/
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(function() {
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"use strict";
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function testIndexBuilds(isBackground) {
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jsTestLog("Testing " + (isBackground ? "background" : "foreground") + " index builds");
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let coll = db["background_index_multikey_" + isBackground];
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coll.drop();
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// Build index after multikey document is in the collection.
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let doc = {_id: 0, a: [1, 2]};
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assert.writeOK(coll.insert(doc));
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assert.commandWorked(coll.createIndex({a: 1}, {background: isBackground}));
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assert.eq(1, coll.count({a: 1}));
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assert.eq(doc, coll.findOne({a: 1}));
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assert.eq(1, coll.count({a: 2}));
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assert.eq(doc, coll.findOne({a: 2}));
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// Build index where multikey is in an embedded document.
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doc = {_id: 1, b: {c: [1, 2]}};
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assert.writeOK(coll.insert(doc));
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assert.commandWorked(coll.createIndex({'b.c': 1}, {background: isBackground}));
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assert.eq(1, coll.count({'b.c': 1}));
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assert.eq(doc, coll.findOne({'b.c': 1}));
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assert.eq(1, coll.count({'b.c': 2}));
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assert.eq(doc, coll.findOne({'b.c': 2}));
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// Add new multikey path to embedded path.
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doc = {_id: 2, b: [1, 2]};
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assert.writeOK(coll.insert(doc));
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assert.eq(1, coll.count({b: 1}));
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assert.eq(doc, coll.findOne({b: 1}));
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assert.eq(1, coll.count({b: 2}));
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assert.eq(doc, coll.findOne({b: 2}));
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// Build index on a large collection that is not multikey, and then make it multikey.
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for (let i = 100; i < 1100; i++) {
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assert.writeOK(coll.insert({_id: i, d: i}));
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}
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assert.commandWorked(coll.createIndex({d: 1}, {background: isBackground}));
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doc = {_id: 3, d: [1, 2]};
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assert.writeOK(coll.insert(doc));
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assert.eq(1, coll.count({d: 1}));
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assert.eq(doc, coll.findOne({d: 1}));
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assert.eq(1, coll.count({d: 2}));
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assert.eq(doc, coll.findOne({d: 2}));
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// Build compound multikey index.
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doc = {_id: 4, e: [1, 2]};
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assert.writeOK(coll.insert(doc));
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assert.commandWorked(coll.createIndex({'e': 1, 'f': 1}, {background: isBackground}));
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assert.eq(1, coll.count({e: 1}));
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assert.eq(doc, coll.findOne({e: 1}));
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assert.eq(1, coll.count({e: 2}));
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assert.eq(doc, coll.findOne({e: 2}));
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// Add new multikey path to compound index.
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doc = {_id: 5, f: [1, 2]};
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assert.writeOK(coll.insert(doc));
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assert.eq(1, coll.count({f: 1}));
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assert.eq(doc, coll.findOne({f: 1}));
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assert.eq(1, coll.count({f: 2}));
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assert.eq(doc, coll.findOne({f: 2}));
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}
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testIndexBuilds(false);
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testIndexBuilds(true);
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})();
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