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40 lines
1.3 KiB
JavaScript
40 lines
1.3 KiB
JavaScript
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/**
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* Tests that wildcard indexes are prepared to handle and retry WriteConflictExceptions while
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* interacting with the storage layer to retrieve multikey paths.
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*/
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(function() {
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"strict";
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const conn = MongoRunner.runMongod();
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const testDB = conn.getDB("test");
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const coll = testDB.write_conflict_wildcard;
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coll.drop();
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assert.commandWorked(coll.createIndex({"$**": 1}));
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assert.commandWorked(testDB.adminCommand({
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configureFailPoint: 'WTWriteConflictExceptionForReads',
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mode: {activationProbability: 0.01}
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}));
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for (let i = 0; i < 1000; ++i) {
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// Insert documents with a couple different multikey paths to increase the number of records
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// scanned during multikey path computation in the wildcard index.
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assert.commandWorked(coll.insert({
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_id: i,
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i: i,
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a: [{x: i - 1}, {x: i}, {x: i + 1}],
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b: [],
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longerName: [{nested: [1, 2]}, {nested: 4}]
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}));
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assert.eq(coll.find({i: i}).hint({"$**": 1}).itcount(), 1);
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if (i > 0) {
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assert.eq(coll.find({"a.x": i}).hint({"$**": 1}).itcount(), 2);
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}
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}
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assert.commandWorked(
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testDB.adminCommand({configureFailPoint: 'WTWriteConflictExceptionForReads', mode: "off"}));
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MongoRunner.stopMongod(conn);
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})();
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