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  1. Core Server
  2. SERVER-10942

Assign value 11000 to ErrorCodes::DuplicateKey

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Details

    • Icon: Improvement Improvement
    • Resolution: Done
    • Icon: Major - P3 Major - P3
    • 2.5.4
    • None
    • Diagnostics, Networking
    • None
    • Minor Change

    Description

      Clients check one of three codes to identify unique index constraint violations. None are the current value of ErrorCodes::DuplicateKey, which Write commands return in this scenario. Rather than make all drivers check a 4th code, we might as well assign DuplicateKey an existing one, such as 11, 000. Pending validation that the write commands send DuplicateKey.

      Proposal: Rename the existing DuplicateKey to OBSOLETE_DuplicateKey, and assign DuplicateKey <- 11000 in error_codes.err. So long as no existing code looks for the current value of DuplicateKey on the wire, it is safe to change the value used to represent DuplicateKey in error_codes.err. The server code does not, and behackett says the drivers don't, either.

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            greg_10gen Greg Studer
            schwerin@mongodb.com Andy Schwerin
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