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  1. Core Server
  2. SERVER-4325

BasicCursor may be reported by explain when a query cannot match any documents

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Details

    • Improvement
    • Status: Closed
    • Major - P3
    • Resolution: Duplicate
    • None
    • None
    • Querying

    Description

      In some cases the query optimizer may determine that a query cannot match any documents. In these cases it will generate a trivial BasicCursor that will scan zero documents. Explain will report using this BasicCursor, which can be a usability issue as seen in SERVER-4317.

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          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. SERVER-8688 Explain output should include index spec

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

          Bug - A problem which impairs or prevents the functions of the product. SERVER-4317 index not used when argument to $in is empty array

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

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              Unassigned Unassigned
              aaron Aaron Staple
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              Dates

                Created:
                Updated:
                Resolved: