Uploaded image for project: 'Core Server'
  1. Core Server
  2. SERVER-79602

Consider PathArr simplification for partial index accesses

    XMLWordPrintableJSON

Details

    • Icon: Improvement Improvement
    • Resolution: Unresolved
    • Icon: Major - P3 Major - P3
    • None
    • None
    • None
    • Query Optimization

    Description

      PathArr simplification in Bonsai checks for opportunities to utilize multikey-ness metadata to simplify path requirements. This process requires correct initialization of a pathToInterval function. The default initialization value for this function is an empty function. 

      When the function is not explicitly initialized, which when checking for partial index accesses, the optimizer will forego PathArr simplification. 

      This ticket should study the importance of this optimization in corner cases and address accordingly.

      Attachments

        Activity

          People

            backlog-query-optimization Backlog - Query Optimization
            matt.olma@mongodb.com Matt Olma
            Votes:
            0 Vote for this issue
            Watchers:
            2 Start watching this issue

            Dates

              Created:
              Updated: