The doTxn command doesn't error when inserting a document that already exists

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    • Type: Bug
    • Resolution: Won't Fix
    • Priority: Major - P3
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    • Affects Version/s: None
    • Component/s: Replication
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    • Replication
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      (function() {
    const coll = db.mycoll;
    coll.drop();

    assert.commandWorked(db.runCommand({create: coll.getName()}));
    assert.commandFailedWithCode(db.adminCommand({
        applyOps: [
            {op: "i", ns: coll.getFullName(), o: {_id: 1}},
            {op: "i", ns: coll.getFullName(), o: {_id: 1}},
        ]
    }),
                                 ErrorCodes.DuplicateKey);

})();
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      ( function () { const coll = db.mycoll; coll.drop(); assert.commandWorked(db.runCommand({create: coll.getName()})); assert.commandFailedWithCode(db.adminCommand({ applyOps: [ {op: "i" , ns: coll.getFullName(), o: {_id: 1}}, {op: "i" , ns: coll.getFullName(), o: {_id: 1}}, ] }), ErrorCodes.DuplicateKey); })();
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      This means operations of type op='i' aren't equivalent to an insert command of the same document. I suspect this is just because the "doTxn" has implicitly inherited some of the idempotency behaviors by leveraging the applyOperation_inlock() machinery.

            Assignee:
            [DO NOT USE] Backlog - Replication Team
            Reporter:
            Max Hirschhorn
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              Created:
              Updated:
              Resolved: