mongoc doesn't coalesce updates or deletes, only inserts

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    • Type: Bug
    • Resolution: Done
    • Priority: Major - P3
    • 1.1.6
    • Affects Version/s: None
    • Component/s: Bulk API, libmongoc
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      When creating a batch of writes using the bulk interface, only inserts are coalesced, resulting in far many updates and delete roundtrips then expected.

      bulk = mongoc_collection_create_bulk_operation()
mongoc_bulk_operation_insert(bulk, document1);
mongoc_bulk_operation_insert(bulk, document2);
mongoc_bulk_operation_insert(bulk, document3);
mongoc_bulk_operation_execute(bulk);

      Results in 1 round trip.

      bulk = mongoc_collection_create_bulk_operation()
mongoc_bulk_operation_update(bulk, selector1, document1);
mongoc_bulk_operation_update(bulk, selector2, document2);
mongoc_bulk_operation_update(bulk, selector3, document3);
mongoc_bulk_operation_execute(bulk);

      Results in 3 round trip.

      bulk = mongoc_collection_create_bulk_operation()
mongoc_bulk_operation_delete(bulk, selector1);
mongoc_bulk_operation_delete(bulk, selector2,);
mongoc_bulk_operation_delete(bulk, selector3);
mongoc_bulk_operation_execute(bulk);

      Results in 3 round trip.

              Assignee:
              A. Jesse Jiryu Davis
              Reporter:
              Hannes Magnusson (Inactive)
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                Created:
                Updated:
                Resolved: