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  1. Core Server
  2. SERVER-43287

Prevent $merge from outputting to system collections

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Details

    • Improvement
    • Status: Closed
    • Major - P3
    • Resolution: Fixed
    • None
    • 4.3.1
    • Aggregation Framework
    • None
    • Minor Change
    • Query 2019-10-21, Query 2019-11-04

    Description

      $out has a check to disallow writing to system collections which I think should be added to $merge.

      Also to consider, I don't know of any restrictions on which database you can write to. We may wish to disallow writing to "admin", "config", and "local" as well.

      If we don't change anything, we need more tests at the very least.

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        Issue Links

          causes

          Bug - A problem which impairs or prevents the functions of the product. PYTHON-2023 Test failure - test.test_database.TestDatabaseAggregation.test_database_aggregation_fake_cursor

          • Major - P3 - Major loss of function.
          • Closed
          is related to

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-43286 Prevent mapReduce from outputting to system collections

          • Major - P3 - Major loss of function.
          • Closed
          related to

          Bug - A problem which impairs or prevents the functions of the product. SERVER-43020 New mapReduce -> agg path on mongos fails to validate that namespace element is a string

          • Major - P3 - Major loss of function.
          • Closed

          Activity

            People

              mihai.andrei@mongodb.com Mihai Andrei
              charlie.swanson@mongodb.com Charlie Swanson
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              Dates

                Created:
                Updated:
                Resolved: