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  1. Core Server
  2. SERVER-16916

RecordId might be inserted more than once with unique index and dupsAllowed == true

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Details

    • Bug
    • Status: Closed
    • Major - P3
    • Resolution: Fixed
    • None
    • 3.0.0-rc6
    • Storage
    • None
    • Fully Compatible
    • ALL

    Description

      Here's a bug: https://github.com/mongodb/mongo/blob/3c1347b07d678297aa1d136e780f461bf1e28c07/src/mongo/db/storage/wiredtiger/wiredtiger_index.cpp#L1037

      If there are two RecordIds (locInIndex) that are higher than RecordId we're inserting (loc), then the loc will be inserted more than once to the value.

      I believe this line should be

      if (!insertedLoc && loc < locInIndex)

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              benety.goh@mongodb.com Benety Goh
              igor Igor Canadi
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                Created:
                Updated:
                Resolved: