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  1. Core Server
  2. SERVER-3064

do not allow _id scans on capped collections

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Details

    • Improvement
    • Status: Backlog
    • Major - P3
    • Resolution: Unresolved
    • None
    • None
    • Querying

    Description

      _id indexes are not created on capped collections by default.
      Very often people don't realize or forget and assume it's there, or use methods like save() which assume.

      We should assert on any table scan where the query is

      { _id : ... }

      .

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              backlog-query-execution Backlog - Query Execution
              eliot Eliot Horowitz (Inactive)
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                Created:
                Updated: